id	sid	tid	token	lemma	pos
cord-288072-42sx52tn	1	1	key	key	JJ
cord-288072-42sx52tn	1	2	:	:	:
cord-288072-42sx52tn	1	3	cord-288072	cord-288072	NNP
cord-288072-42sx52tn	1	4	-	-	HYPH
cord-288072-42sx52tn	1	5	42sx52tn	42sx52tn	CD
cord-288072-42sx52tn	1	6	authors	author	NNS
cord-288072-42sx52tn	1	7	:	:	:
cord-288072-42sx52tn	1	8	Monto	Monto	NNP
cord-288072-42sx52tn	1	9	,	,	,
cord-288072-42sx52tn	1	10	Arnold	Arnold	NNP
cord-288072-42sx52tn	1	11	S.	S.	NNP
cord-288072-42sx52tn	1	12	;	;	:
cord-288072-42sx52tn	1	13	Lim	Lim	NNP
cord-288072-42sx52tn	1	14	,	,	,
cord-288072-42sx52tn	2	1	Sook	Sook	NNP
cord-288072-42sx52tn	2	2	K.	K.	NNP
cord-288072-42sx52tn	2	3	title	title	NN
cord-288072-42sx52tn	2	4	:	:	:
cord-288072-42sx52tn	2	5	The	the	DT
cord-288072-42sx52tn	2	6	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	2	7	Study	Study	NNP
cord-288072-42sx52tn	2	8	of	of	IN
cord-288072-42sx52tn	2	9	Respiratory	Respiratory	NNP
cord-288072-42sx52tn	2	10	Illness	Illness	NNP
cord-288072-42sx52tn	2	11	.	.	.
cord-288072-42sx52tn	3	1	VI	VI	NNP
cord-288072-42sx52tn	3	2	.	.	.
cord-288072-42sx52tn	4	1	Frequency	frequency	NN
cord-288072-42sx52tn	4	2	of	of	IN
cord-288072-42sx52tn	4	3	and	and	CC
cord-288072-42sx52tn	4	4	Relationship	relationship	NN
cord-288072-42sx52tn	4	5	between	between	IN
cord-288072-42sx52tn	4	6	Outbreaks	outbreak	NNS
cord-288072-42sx52tn	4	7	of	of	IN
cord-288072-42sx52tn	4	8	Coronavims	Coronavims	NNP
cord-288072-42sx52tn	4	9	Infection	Infection	NNP
cord-288072-42sx52tn	4	10	date	date	NN
cord-288072-42sx52tn	4	11	:	:	:
cord-288072-42sx52tn	4	12	1974	1974	CD
cord-288072-42sx52tn	4	13	-	-	SYM
cord-288072-42sx52tn	4	14	03	03	CD
cord-288072-42sx52tn	4	15	-	-	SYM
cord-288072-42sx52tn	4	16	17	17	CD
cord-288072-42sx52tn	4	17	journal	journal	NN
cord-288072-42sx52tn	4	18	:	:	:
cord-288072-42sx52tn	5	1	J	J	NNP
cord-288072-42sx52tn	5	2	Infect	infect	VBP
cord-288072-42sx52tn	5	3	Dis	Dis	NNP
cord-288072-42sx52tn	5	4	DOI	doi	NN
cord-288072-42sx52tn	5	5	:	:	:
cord-288072-42sx52tn	5	6	10.1093	10.1093	CD
cord-288072-42sx52tn	5	7	/	/	SYM
cord-288072-42sx52tn	5	8	infdis/129.3.271	infdis/129.3.271	NNP
cord-288072-42sx52tn	5	9	sha	sha	NNP
cord-288072-42sx52tn	5	10	:	:	:
cord-288072-42sx52tn	5	11	b95dfcfa5209e75d096f33a43969ecff9ef0b700	b95dfcfa5209e75d096f33a43969ecff9ef0b700	NNP
cord-288072-42sx52tn	5	12	doc_id	doc_id	CD
cord-288072-42sx52tn	5	13	:	:	:
cord-288072-42sx52tn	5	14	288072	288072	CD
cord-288072-42sx52tn	5	15	cord_uid	cord_uid	NN
cord-288072-42sx52tn	5	16	:	:	:
cord-288072-42sx52tn	6	1	42sx52tn	42sx52tn	CD
cord-288072-42sx52tn	6	2	Specimens	specimen	NNS
cord-288072-42sx52tn	6	3	of	of	IN
cord-288072-42sx52tn	6	4	blood	blood	NN
cord-288072-42sx52tn	6	5	collected	collect	VBN
cord-288072-42sx52tn	6	6	in	in	IN
cord-288072-42sx52tn	6	7	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	6	8	,	,	,
cord-288072-42sx52tn	6	9	Michigan	Michigan	NNP
cord-288072-42sx52tn	6	10	over	over	IN
cord-288072-42sx52tn	6	11	a	a	DT
cord-288072-42sx52tn	6	12	four	four	CD
cord-288072-42sx52tn	6	13	-	-	HYPH
cord-288072-42sx52tn	6	14	year	year	NN
cord-288072-42sx52tn	6	15	period	period	NN
cord-288072-42sx52tn	6	16	were	be	VBD
cord-288072-42sx52tn	6	17	studied	study	VBN
cord-288072-42sx52tn	6	18	for	for	IN
cord-288072-42sx52tn	6	19	rise	rise	NN
cord-288072-42sx52tn	6	20	in	in	IN
cord-288072-42sx52tn	6	21	antibody	antibody	NN
cord-288072-42sx52tn	6	22	titer	titer	NN
cord-288072-42sx52tn	6	23	against	against	IN
cord-288072-42sx52tn	6	24	coronavirus	coronavirus	NN
cord-288072-42sx52tn	6	25	OC43	OC43	NNP
cord-288072-42sx52tn	6	26	.	.	.
cord-288072-42sx52tn	7	1	Peaks	peak	NNS
cord-288072-42sx52tn	7	2	of	of	IN
cord-288072-42sx52tn	7	3	infection	infection	NN
cord-288072-42sx52tn	7	4	were	be	VBD
cord-288072-42sx52tn	7	5	found	find	VBN
cord-288072-42sx52tn	7	6	in	in	IN
cord-288072-42sx52tn	7	7	the	the	DT
cord-288072-42sx52tn	7	8	winter	winter	NN
cord-288072-42sx52tn	7	9	and	and	CC
cord-288072-42sx52tn	7	10	spring	spring	NN
cord-288072-42sx52tn	7	11	of	of	IN
cord-288072-42sx52tn	7	12	1966	1966	CD
cord-288072-42sx52tn	7	13	,	,	,
cord-288072-42sx52tn	7	14	1968	1968	CD
cord-288072-42sx52tn	7	15	,	,	,
cord-288072-42sx52tn	7	16	and	and	CC
cord-288072-42sx52tn	7	17	1969	1969	CD
cord-288072-42sx52tn	7	18	;	;	:
cord-288072-42sx52tn	7	19	at	at	IN
cord-288072-42sx52tn	7	20	other	other	JJ
cord-288072-42sx52tn	7	21	times	time	NNS
cord-288072-42sx52tn	7	22	,	,	,
cord-288072-42sx52tn	7	23	infections	infection	NNS
cord-288072-42sx52tn	7	24	occurred	occur	VBD
cord-288072-42sx52tn	7	25	sporadically	sporadically	RB
cord-288072-42sx52tn	7	26	.	.	.
cord-288072-42sx52tn	8	1	All	all	DT
cord-288072-42sx52tn	8	2	age	age	NN
cord-288072-42sx52tn	8	3	groups	group	NNS
cord-288072-42sx52tn	8	4	were	be	VBD
cord-288072-42sx52tn	8	5	involved	involve	VBN
cord-288072-42sx52tn	8	6	,	,	,
cord-288072-42sx52tn	8	7	especially	especially	RB
cord-288072-42sx52tn	8	8	the	the	DT
cord-288072-42sx52tn	8	9	very	very	RB
cord-288072-42sx52tn	8	10	young	young	JJ
cord-288072-42sx52tn	8	11	.	.	.
cord-288072-42sx52tn	9	1	Rises	rise	NNS
cord-288072-42sx52tn	9	2	in	in	IN
cord-288072-42sx52tn	9	3	titer	titer	NN
cord-288072-42sx52tn	9	4	by	by	IN
cord-288072-42sx52tn	9	5	CF	CF	NNP
cord-288072-42sx52tn	9	6	and	and	CC
cord-288072-42sx52tn	9	7	by	by	IN
cord-288072-42sx52tn	9	8	HAI	HAI	NNP
cord-288072-42sx52tn	9	9	tests	test	NNS
cord-288072-42sx52tn	9	10	frequently	frequently	RB
cord-288072-42sx52tn	9	11	did	do	VBD
cord-288072-42sx52tn	9	12	not	not	RB
cord-288072-42sx52tn	9	13	occur	occur	VB
cord-288072-42sx52tn	9	14	together	together	RB
cord-288072-42sx52tn	9	15	in	in	IN
cord-288072-42sx52tn	9	16	the	the	DT
cord-288072-42sx52tn	9	17	same	same	JJ
cord-288072-42sx52tn	9	18	individual	individual	NN
cord-288072-42sx52tn	9	19	.	.	.
cord-288072-42sx52tn	10	1	Agreement	agreement	NN
cord-288072-42sx52tn	10	2	between	between	IN
cord-288072-42sx52tn	10	3	the	the	DT
cord-288072-42sx52tn	10	4	two	two	CD
cord-288072-42sx52tn	10	5	tests	test	NNS
cord-288072-42sx52tn	10	6	was	be	VBD
cord-288072-42sx52tn	10	7	better	well	JJR
cord-288072-42sx52tn	10	8	in	in	IN
cord-288072-42sx52tn	10	9	1966	1966	CD
cord-288072-42sx52tn	10	10	and	and	CC
cord-288072-42sx52tn	10	11	1969	1969	CD
cord-288072-42sx52tn	10	12	than	than	IN
cord-288072-42sx52tn	10	13	in	in	IN
cord-288072-42sx52tn	10	14	the	the	DT
cord-288072-42sx52tn	10	15	other	other	JJ
cord-288072-42sx52tn	10	16	years	year	NNS
cord-288072-42sx52tn	10	17	.	.	.
cord-288072-42sx52tn	11	1	A	a	DT
cord-288072-42sx52tn	11	2	portion	portion	NN
cord-288072-42sx52tn	11	3	of	of	IN
cord-288072-42sx52tn	11	4	the	the	DT
cord-288072-42sx52tn	11	5	paired	pair	VBN
cord-288072-42sx52tn	11	6	specimens	specimen	NNS
cord-288072-42sx52tn	11	7	showing	show	VBG
cord-288072-42sx52tn	11	8	rises	rise	NNS
cord-288072-42sx52tn	11	9	in	in	IN
cord-288072-42sx52tn	11	10	CF	cf	NN
cord-288072-42sx52tn	12	1	and/	and/	NNP
cord-288072-42sx52tn	12	2	or	or	CC
cord-288072-42sx52tn	12	3	HAI	HAI	NNP
cord-288072-42sx52tn	12	4	titer	titer	NN
cord-288072-42sx52tn	12	5	was	be	VBD
cord-288072-42sx52tn	12	6	tested	test	VBN
cord-288072-42sx52tn	12	7	by	by	IN
cord-288072-42sx52tn	12	8	neutralization	neutralization	NN
cord-288072-42sx52tn	12	9	.	.	.
cord-288072-42sx52tn	13	1	Rises	rise	NNS
cord-288072-42sx52tn	13	2	in	in	IN
cord-288072-42sx52tn	13	3	neutralizing	neutralize	VBG
cord-288072-42sx52tn	13	4	antibody	antibody	NN
cord-288072-42sx52tn	13	5	were	be	VBD
cord-288072-42sx52tn	13	6	usually	usually	RB
cord-288072-42sx52tn	13	7	found	find	VBN
cord-288072-42sx52tn	13	8	in	in	IN
cord-288072-42sx52tn	13	9	pairs	pair	NNS
cord-288072-42sx52tn	13	10	collected	collect	VBN
cord-288072-42sx52tn	13	11	in	in	IN
cord-288072-42sx52tn	13	12	1966	1966	CD
cord-288072-42sx52tn	13	13	and	and	CC
cord-288072-42sx52tn	13	14	1969	1969	CD
cord-288072-42sx52tn	13	15	but	but	CC
cord-288072-42sx52tn	13	16	not	not	RB
cord-288072-42sx52tn	13	17	in	in	IN
cord-288072-42sx52tn	13	18	those	those	DT
cord-288072-42sx52tn	13	19	collected	collect	VBN
cord-288072-42sx52tn	13	20	in	in	IN
cord-288072-42sx52tn	13	21	1967	1967	CD
cord-288072-42sx52tn	13	22	and	and	CC
cord-288072-42sx52tn	13	23	1968	1968	CD
cord-288072-42sx52tn	13	24	.	.	.
cord-288072-42sx52tn	14	1	The	the	DT
cord-288072-42sx52tn	14	2	infecting	infect	VBG
cord-288072-42sx52tn	14	3	viruses	virus	NNS
cord-288072-42sx52tn	14	4	in	in	IN
cord-288072-42sx52tn	14	5	1966	1966	CD
cord-288072-42sx52tn	14	6	and	and	CC
cord-288072-42sx52tn	14	7	1969	1969	CD
cord-288072-42sx52tn	14	8	thus	thus	RB
cord-288072-42sx52tn	14	9	appeared	appear	VBD
cord-288072-42sx52tn	14	10	more	more	RBR
cord-288072-42sx52tn	14	11	closely	closely	RB
cord-288072-42sx52tn	14	12	related	related	JJ
cord-288072-42sx52tn	14	13	to	to	IN
cord-288072-42sx52tn	14	14	OC43	OC43	NNP
cord-288072-42sx52tn	14	15	than	than	IN
cord-288072-42sx52tn	14	16	did	do	VBD
cord-288072-42sx52tn	14	17	those	those	DT
cord-288072-42sx52tn	14	18	in	in	IN
cord-288072-42sx52tn	14	19	1967	1967	CD
cord-288072-42sx52tn	14	20	and	and	CC
cord-288072-42sx52tn	14	21	1968	1968	CD
cord-288072-42sx52tn	14	22	.	.	.
cord-288072-42sx52tn	15	1	Coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	15	2	are	be	VBP
cord-288072-42sx52tn	15	3	significantly	significantly	RB
cord-288072-42sx52tn	15	4	involved	involve	VBN
cord-288072-42sx52tn	15	5	in	in	IN
cord-288072-42sx52tn	15	6	respiratory	respiratory	JJ
cord-288072-42sx52tn	15	7	infections	infection	NNS
cord-288072-42sx52tn	15	8	of	of	IN
cord-288072-42sx52tn	15	9	man	man	NN
cord-288072-42sx52tn	15	10	,	,	,
cord-288072-42sx52tn	15	11	especially	especially	RB
cord-288072-42sx52tn	15	12	in	in	IN
cord-288072-42sx52tn	15	13	those	those	DT
cord-288072-42sx52tn	15	14	occurring	occur	VBG
cord-288072-42sx52tn	15	15	in	in	IN
cord-288072-42sx52tn	15	16	the	the	DT
cord-288072-42sx52tn	15	17	colder	cold	JJR
cord-288072-42sx52tn	15	18	months	month	NNS
cord-288072-42sx52tn	15	19	of	of	IN
cord-288072-42sx52tn	15	20	the	the	DT
cord-288072-42sx52tn	15	21	year	year	NN
cord-288072-42sx52tn	15	22	[	[	-LRB-
cord-288072-42sx52tn	15	23	1	1	CD
cord-288072-42sx52tn	15	24	]	]	-RRB-
cord-288072-42sx52tn	15	25	[	[	-LRB-
cord-288072-42sx52tn	15	26	2	2	CD
cord-288072-42sx52tn	15	27	]	]	-RRB-
cord-288072-42sx52tn	15	28	[	[	-LRB-
cord-288072-42sx52tn	15	29	3	3	CD
cord-288072-42sx52tn	15	30	]	]	-RRB-
cord-288072-42sx52tn	15	31	[	[	-LRB-
cord-288072-42sx52tn	15	32	4	4	CD
cord-288072-42sx52tn	15	33	]	]	-RRB-
cord-288072-42sx52tn	15	34	.	.	.
cord-288072-42sx52tn	16	1	However	however	RB
cord-288072-42sx52tn	16	2	,	,	,
cord-288072-42sx52tn	16	3	neither	neither	CC
cord-288072-42sx52tn	16	4	the	the	DT
cord-288072-42sx52tn	16	5	total	total	JJ
cord-288072-42sx52tn	16	6	number	number	NN
cord-288072-42sx52tn	16	7	of	of	IN
cord-288072-42sx52tn	16	8	different	different	JJ
cord-288072-42sx52tn	16	9	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	16	10	nor	nor	CC
cord-288072-42sx52tn	16	11	their	-PRON-	PRP$
cord-288072-42sx52tn	16	12	relative	relative	JJ
cord-288072-42sx52tn	16	13	importance	importance	NN
cord-288072-42sx52tn	16	14	is	be	VBZ
cord-288072-42sx52tn	16	15	known	know	VBN
cord-288072-42sx52tn	16	16	.	.	.
cord-288072-42sx52tn	17	1	Understanding	understanding	NN
cord-288072-42sx52tn	17	2	of	of	IN
cord-288072-42sx52tn	17	3	the	the	DT
cord-288072-42sx52tn	17	4	behavior	behavior	NN
cord-288072-42sx52tn	17	5	of	of	IN
cord-288072-42sx52tn	17	6	these	these	DT
cord-288072-42sx52tn	17	7	viruses	virus	NNS
cord-288072-42sx52tn	17	8	has	have	VBZ
cord-288072-42sx52tn	17	9	been	be	VBN
cord-288072-42sx52tn	17	10	hampered	hamper	VBN
cord-288072-42sx52tn	17	11	greatly	greatly	RB
cord-288072-42sx52tn	17	12	by	by	IN
cord-288072-42sx52tn	17	13	the	the	DT
cord-288072-42sx52tn	17	14	difficulties	difficulty	NNS
cord-288072-42sx52tn	17	15	in	in	IN
cord-288072-42sx52tn	17	16	propagation	propagation	NN
cord-288072-42sx52tn	17	17	encountered	encounter	VBN
cord-288072-42sx52tn	17	18	in	in	IN
cord-288072-42sx52tn	17	19	the	the	DT
cord-288072-42sx52tn	17	20	laboratory	laboratory	NN
cord-288072-42sx52tn	17	21	.	.	.
cord-288072-42sx52tn	18	1	Only	only	RB
cord-288072-42sx52tn	18	2	one	one	CD
cord-288072-42sx52tn	18	3	coronavirus	coronavirus	NN
cord-288072-42sx52tn	18	4	,	,	,
cord-288072-42sx52tn	18	5	229E	229e	CD
cord-288072-42sx52tn	18	6	,	,	,
cord-288072-42sx52tn	18	7	can	can	MD
cord-288072-42sx52tn	18	8	be	be	VB
cord-288072-42sx52tn	18	9	isolated	isolate	VBN
cord-288072-42sx52tn	18	10	in	in	IN
cord-288072-42sx52tn	18	11	cell	cell	NN
cord-288072-42sx52tn	18	12	culture	culture	NN
cord-288072-42sx52tn	18	13	,	,	,
cord-288072-42sx52tn	18	14	and	and	CC
cord-288072-42sx52tn	18	15	this	this	DT
cord-288072-42sx52tn	18	16	is	be	VBZ
cord-288072-42sx52tn	18	17	difficult	difficult	JJ
cord-288072-42sx52tn	18	18	[	[	-LRB-
cord-288072-42sx52tn	18	19	5	5	CD
cord-288072-42sx52tn	18	20	]	]	-RRB-
cord-288072-42sx52tn	18	21	.	.	.
cord-288072-42sx52tn	19	1	A	a	DT
cord-288072-42sx52tn	19	2	major	major	JJ
cord-288072-42sx52tn	19	3	contribution	contribution	NN
cord-288072-42sx52tn	19	4	has	have	VBZ
cord-288072-42sx52tn	19	5	been	be	VBN
cord-288072-42sx52tn	19	6	the	the	DT
cord-288072-42sx52tn	19	7	adaptation	adaptation	NN
cord-288072-42sx52tn	19	8	of	of	IN
cord-288072-42sx52tn	19	9	viruses	virus	NNS
cord-288072-42sx52tn	19	10	originally	originally	RB
cord-288072-42sx52tn	19	11	isolated	isolate	VBN
cord-288072-42sx52tn	19	12	in	in	IN
cord-288072-42sx52tn	19	13	organ	organ	NN
cord-288072-42sx52tn	19	14	culture	culture	NN
cord-288072-42sx52tn	19	15	to	to	IN
cord-288072-42sx52tn	19	16	animals	animal	NNS
cord-288072-42sx52tn	19	17	or	or	CC
cord-288072-42sx52tn	19	18	cell	cell	NN
cord-288072-42sx52tn	19	19	cultures	culture	NNS
cord-288072-42sx52tn	19	20	[	[	-LRB-
cord-288072-42sx52tn	19	21	6	6	CD
cord-288072-42sx52tn	19	22	,	,	,
cord-288072-42sx52tn	19	23	7	7	CD
cord-288072-42sx52tn	19	24	]	]	-RRB-
cord-288072-42sx52tn	19	25	.	.	.
cord-288072-42sx52tn	20	1	Several	several	JJ
cord-288072-42sx52tn	20	2	serologic	serologic	NN
cord-288072-42sx52tn	20	3	tests	test	NNS
cord-288072-42sx52tn	20	4	have	have	VBP
cord-288072-42sx52tn	20	5	thus	thus	RB
cord-288072-42sx52tn	20	6	been	be	VBN
cord-288072-42sx52tn	20	7	made	make	VBN
cord-288072-42sx52tn	20	8	possible	possible	JJ
cord-288072-42sx52tn	20	9	,	,	,
cord-288072-42sx52tn	20	10	and	and	CC
cord-288072-42sx52tn	20	11	infections	infection	NNS
cord-288072-42sx52tn	20	12	can	can	MD
cord-288072-42sx52tn	20	13	now	now	RB
cord-288072-42sx52tn	20	14	be	be	VB
cord-288072-42sx52tn	20	15	identified	identify	VBN
cord-288072-42sx52tn	20	16	by	by	IN
cord-288072-42sx52tn	20	17	rise	rise	NN
cord-288072-42sx52tn	20	18	in	in	IN
cord-288072-42sx52tn	20	19	antibody	antibody	NN
cord-288072-42sx52tn	20	20	titer	titer	NN
cord-288072-42sx52tn	20	21	[	[	-LRB-
cord-288072-42sx52tn	20	22	8	8	CD
cord-288072-42sx52tn	20	23	,	,	,
cord-288072-42sx52tn	20	24	9	9	CD
cord-288072-42sx52tn	20	25	]	]	-RRB-
cord-288072-42sx52tn	20	26	.	.	.
cord-288072-42sx52tn	21	1	As	as	IN
cord-288072-42sx52tn	21	2	part	part	NN
cord-288072-42sx52tn	21	3	of	of	IN
cord-288072-42sx52tn	21	4	the	the	DT
cord-288072-42sx52tn	21	5	study	study	NN
cord-288072-42sx52tn	21	6	of	of	IN
cord-288072-42sx52tn	21	7	respiratory	respiratory	JJ
cord-288072-42sx52tn	21	8	infections	infection	NNS
cord-288072-42sx52tn	21	9	in	in	IN
cord-288072-42sx52tn	21	10	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	21	11	,	,	,
cord-288072-42sx52tn	21	12	Michigan	Michigan	NNP
cord-288072-42sx52tn	21	13	,	,	,
cord-288072-42sx52tn	21	14	specimens	specimen	NNS
cord-288072-42sx52tn	21	15	of	of	IN
cord-288072-42sx52tn	21	16	blood	blood	NN
cord-288072-42sx52tn	21	17	were	be	VBD
cord-288072-42sx52tn	21	18	collected	collect	VBN
cord-288072-42sx52tn	21	19	on	on	IN
cord-288072-42sx52tn	21	20	a	a	DT
cord-288072-42sx52tn	21	21	regular	regular	JJ
cord-288072-42sx52tn	21	22	basis	basis	NN
cord-288072-42sx52tn	21	23	from	from	IN
cord-288072-42sx52tn	21	24	families	family	NNS
cord-288072-42sx52tn	21	25	under	under	IN
cord-288072-42sx52tn	21	26	surveillance	surveillance	NN
cord-288072-42sx52tn	21	27	[	[	-LRB-
cord-288072-42sx52tn	21	28	10	10	CD
cord-288072-42sx52tn	21	29	]	]	-RRB-
cord-288072-42sx52tn	21	30	.	.	.
cord-288072-42sx52tn	22	1	By	by	IN
cord-288072-42sx52tn	22	2	testing	testing	NN
cord-288072-42sx52tn	22	3	of	of	IN
cord-288072-42sx52tn	22	4	specimens	specimen	NNS
cord-288072-42sx52tn	22	5	collected	collect	VBN
cord-288072-42sx52tn	22	6	in	in	IN
cord-288072-42sx52tn	22	7	early	early	JJ
cord-288072-42sx52tn	22	8	1967	1967	CD
cord-288072-42sx52tn	22	9	,	,	,
cord-288072-42sx52tn	22	10	a	a	DT
cord-288072-42sx52tn	22	11	large	large	JJ
cord-288072-42sx52tn	22	12	-	-	HYPH
cord-288072-42sx52tn	22	13	scale	scale	NN
cord-288072-42sx52tn	22	14	outbreak	outbreak	NN
cord-288072-42sx52tn	22	15	of	of	IN
cord-288072-42sx52tn	22	16	infection	infection	NN
cord-288072-42sx52tn	22	17	with	with	IN
cord-288072-42sx52tn	22	18	coronavirus	coronavirus	NN
cord-288072-42sx52tn	22	19	229E	229e	CD
cord-288072-42sx52tn	22	20	was	be	VBD
cord-288072-42sx52tn	22	21	detected	detect	VBN
cord-288072-42sx52tn	22	22	[	[	-LRB-
cord-288072-42sx52tn	22	23	11	11	CD
cord-288072-42sx52tn	22	24	]	]	-RRB-
cord-288072-42sx52tn	22	25	.	.	.
cord-288072-42sx52tn	23	1	All	all	DT
cord-288072-42sx52tn	23	2	segments	segment	NNS
cord-288072-42sx52tn	23	3	of	of	IN
cord-288072-42sx52tn	23	4	the	the	DT
cord-288072-42sx52tn	23	5	population	population	NN
cord-288072-42sx52tn	23	6	were	be	VBD
cord-288072-42sx52tn	23	7	involved	involve	VBN
cord-288072-42sx52tn	23	8	,	,	,
cord-288072-42sx52tn	23	9	and	and	CC
cord-288072-42sx52tn	23	10	infection	infection	NN
cord-288072-42sx52tn	23	11	was	be	VBD
cord-288072-42sx52tn	23	12	significantly	significantly	RB
cord-288072-42sx52tn	23	13	associated	associate	VBN
cord-288072-42sx52tn	23	14	with	with	IN
cord-288072-42sx52tn	23	15	respi	respi	JJ
cord-288072-42sx52tn	23	16	-	-	HYPH
cord-288072-42sx52tn	23	17	ratory	ratory	JJ
cord-288072-42sx52tn	23	18	illness	illness	NN
cord-288072-42sx52tn	23	19	.	.	.
cord-288072-42sx52tn	24	1	Specimens	specimen	NNS
cord-288072-42sx52tn	24	2	collected	collect	VBN
cord-288072-42sx52tn	24	3	over	over	IN
cord-288072-42sx52tn	24	4	four	four	CD
cord-288072-42sx52tn	24	5	years	year	NNS
cord-288072-42sx52tn	24	6	have	have	VBP
cord-288072-42sx52tn	24	7	now	now	RB
cord-288072-42sx52tn	24	8	been	be	VBN
cord-288072-42sx52tn	24	9	tested	test	VBN
cord-288072-42sx52tn	24	10	for	for	IN
cord-288072-42sx52tn	24	11	infection	infection	NN
cord-288072-42sx52tn	24	12	with	with	IN
cord-288072-42sx52tn	24	13	coronavirus	coronavirus	NN
cord-288072-42sx52tn	24	14	OC43	OC43	NNP
cord-288072-42sx52tn	24	15	.	.	.
cord-288072-42sx52tn	25	1	The	the	DT
cord-288072-42sx52tn	25	2	present	present	JJ
cord-288072-42sx52tn	25	3	report	report	NN
cord-288072-42sx52tn	25	4	describes	describe	VBZ
cord-288072-42sx52tn	25	5	the	the	DT
cord-288072-42sx52tn	25	6	occurrence	occurrence	NN
cord-288072-42sx52tn	25	7	of	of	IN
cord-288072-42sx52tn	25	8	coronavirus	coronavirus	NN
cord-288072-42sx52tn	25	9	infections	infection	NNS
cord-288072-42sx52tn	25	10	during	during	IN
cord-288072-42sx52tn	25	11	this	this	DT
cord-288072-42sx52tn	25	12	period	period	NN
cord-288072-42sx52tn	25	13	as	as	IN
cord-288072-42sx52tn	25	14	determined	determine	VBN
cord-288072-42sx52tn	25	15	by	by	IN
cord-288072-42sx52tn	25	16	different	different	JJ
cord-288072-42sx52tn	25	17	serologic	serologic	NN
cord-288072-42sx52tn	25	18	techniques	technique	NNS
cord-288072-42sx52tn	25	19	.	.	.
cord-288072-42sx52tn	26	1	Population	population	NN
cord-288072-42sx52tn	26	2	studied	study	VBD
cord-288072-42sx52tn	26	3	and	and	CC
cord-288072-42sx52tn	26	4	processing	processing	NN
cord-288072-42sx52tn	26	5	of	of	IN
cord-288072-42sx52tn	26	6	specimens	specimen	NNS
cord-288072-42sx52tn	26	7	.	.	.
cord-288072-42sx52tn	27	1	Details	detail	NNS
cord-288072-42sx52tn	27	2	of	of	IN
cord-288072-42sx52tn	27	3	the	the	DT
cord-288072-42sx52tn	27	4	surveillance	surveillance	NN
cord-288072-42sx52tn	27	5	methods	method	NNS
cord-288072-42sx52tn	27	6	used	use	VBN
cord-288072-42sx52tn	27	7	in	in	IN
cord-288072-42sx52tn	27	8	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	27	9	have	have	VBP
cord-288072-42sx52tn	27	10	been	be	VBN
cord-288072-42sx52tn	27	11	described	describe	VBN
cord-288072-42sx52tn	27	12	[	[	-LRB-
cord-288072-42sx52tn	27	13	12	12	CD
cord-288072-42sx52tn	27	14	]	]	-RRB-
cord-288072-42sx52tn	27	15	.	.	.
cord-288072-42sx52tn	28	1	Families	family	NNS
cord-288072-42sx52tn	28	2	for	for	IN
cord-288072-42sx52tn	28	3	study	study	NN
cord-288072-42sx52tn	28	4	were	be	VBD
cord-288072-42sx52tn	28	5	selected	select	VBN
cord-288072-42sx52tn	28	6	randomly	randomly	RB
cord-288072-42sx52tn	28	7	from	from	IN
cord-288072-42sx52tn	28	8	those	those	DT
cord-288072-42sx52tn	28	9	with	with	IN
cord-288072-42sx52tn	28	10	children	child	NNS
cord-288072-42sx52tn	28	11	whose	whose	WP$
cord-288072-42sx52tn	28	12	parents	parent	NNS
cord-288072-42sx52tn	28	13	were	be	VBD
cord-288072-42sx52tn	28	14	under	under	IN
cord-288072-42sx52tn	28	15	46	46	CD
cord-288072-42sx52tn	28	16	years	year	NNS
cord-288072-42sx52tn	28	17	of	of	IN
cord-288072-42sx52tn	28	18	age	age	NN
cord-288072-42sx52tn	28	19	.	.	.
cord-288072-42sx52tn	29	1	Each	each	DT
cord-288072-42sx52tn	29	2	family	family	NN
cord-288072-42sx52tn	29	3	was	be	VBD
cord-288072-42sx52tn	29	4	followed	follow	VBN
cord-288072-42sx52tn	29	5	for	for	IN
cord-288072-42sx52tn	29	6	one	one	CD
cord-288072-42sx52tn	29	7	year	year	NN
cord-288072-42sx52tn	29	8	.	.	.
cord-288072-42sx52tn	30	1	Specimens	specimen	NNS
cord-288072-42sx52tn	30	2	were	be	VBD
cord-288072-42sx52tn	30	3	obtained	obtain	VBN
cord-288072-42sx52tn	30	4	for	for	IN
cord-288072-42sx52tn	30	5	isolation	isolation	NN
cord-288072-42sx52tn	30	6	of	of	IN
cord-288072-42sx52tn	30	7	virus	virus	NN
cord-288072-42sx52tn	30	8	when	when	WRB
cord-288072-42sx52tn	30	9	a	a	DT
cord-288072-42sx52tn	30	10	respiratory	respiratory	JJ
cord-288072-42sx52tn	30	11	illness	illness	NN
cord-288072-42sx52tn	30	12	was	be	VBD
cord-288072-42sx52tn	30	13	reported	report	VBN
cord-288072-42sx52tn	30	14	within	within	IN
cord-288072-42sx52tn	30	15	two	two	CD
cord-288072-42sx52tn	30	16	days	day	NNS
cord-288072-42sx52tn	30	17	of	of	IN
cord-288072-42sx52tn	30	18	onset	onset	NN
cord-288072-42sx52tn	30	19	[	[	-LRB-
cord-288072-42sx52tn	30	20	13	13	CD
cord-288072-42sx52tn	30	21	]	]	-RRB-
cord-288072-42sx52tn	30	22	.	.	.
cord-288072-42sx52tn	31	1	Samples	sample	NNS
cord-288072-42sx52tn	31	2	of	of	IN
cord-288072-42sx52tn	31	3	blood	blood	NN
cord-288072-42sx52tn	31	4	were	be	VBD
cord-288072-42sx52tn	31	5	collected	collect	VBN
cord-288072-42sx52tn	31	6	at	at	IN
cord-288072-42sx52tn	31	7	time	time	NN
cord-288072-42sx52tn	31	8	of	of	IN
cord-288072-42sx52tn	31	9	recruitment	recruitment	NN
cord-288072-42sx52tn	31	10	,	,	,
cord-288072-42sx52tn	31	11	six	six	CD
cord-288072-42sx52tn	31	12	months	month	NNS
cord-288072-42sx52tn	31	13	later	later	RB
cord-288072-42sx52tn	31	14	,	,	,
cord-288072-42sx52tn	31	15	and	and	CC
cord-288072-42sx52tn	31	16	at	at	IN
cord-288072-42sx52tn	31	17	the	the	DT
cord-288072-42sx52tn	31	18	end	end	NN
cord-288072-42sx52tn	31	19	of	of	IN
cord-288072-42sx52tn	31	20	the	the	DT
cord-288072-42sx52tn	31	21	year	year	NN
cord-288072-42sx52tn	31	22	of	of	IN
cord-288072-42sx52tn	31	23	surveillance	surveillance	NN
cord-288072-42sx52tn	31	24	[	[	-LRB-
cord-288072-42sx52tn	31	25	10	10	CD
cord-288072-42sx52tn	31	26	]	]	-RRB-
cord-288072-42sx52tn	31	27	.	.	.
cord-288072-42sx52tn	32	1	Because	because	IN
cord-288072-42sx52tn	32	2	recruitment	recruitment	NN
cord-288072-42sx52tn	32	3	of	of	IN
cord-288072-42sx52tn	32	4	families	family	NNS
cord-288072-42sx52tn	32	5	was	be	VBD
cord-288072-42sx52tn	32	6	staggered	stagger	VBN
cord-288072-42sx52tn	32	7	,	,	,
cord-288072-42sx52tn	32	8	specimens	specimen	NNS
cord-288072-42sx52tn	32	9	of	of	IN
cord-288072-42sx52tn	32	10	blood	blood	NN
cord-288072-42sx52tn	32	11	were	be	VBD
cord-288072-42sx52tn	32	12	collected	collect	VBN
cord-288072-42sx52tn	32	13	during	during	IN
cord-288072-42sx52tn	32	14	all	all	DT
cord-288072-42sx52tn	32	15	months	month	NNS
cord-288072-42sx52tn	32	16	of	of	IN
cord-288072-42sx52tn	32	17	the	the	DT
cord-288072-42sx52tn	32	18	year	year	NN
cord-288072-42sx52tn	32	19	.	.	.
cord-288072-42sx52tn	33	1	Blood	blood	NN
cord-288072-42sx52tn	33	2	was	be	VBD
cord-288072-42sx52tn	33	3	drawn	draw	VBN
cord-288072-42sx52tn	33	4	by	by	IN
cord-288072-42sx52tn	33	5	venipuncture	venipuncture	NN
cord-288072-42sx52tn	33	6	from	from	IN
cord-288072-42sx52tn	33	7	individuals	individual	NNS
cord-288072-42sx52tn	33	8	of	of	IN
cord-288072-42sx52tn	33	9	approximately	approximately	RB
cord-288072-42sx52tn	33	10	five	five	CD
cord-288072-42sx52tn	33	11	years	year	NNS
cord-288072-42sx52tn	33	12	of	of	IN
cord-288072-42sx52tn	33	13	age	age	NN
cord-288072-42sx52tn	33	14	and	and	CC
cord-288072-42sx52tn	33	15	older	old	JJR
cord-288072-42sx52tn	33	16	,	,	,
cord-288072-42sx52tn	33	17	and	and	CC
cord-288072-42sx52tn	33	18	the	the	DT
cord-288072-42sx52tn	33	19	specimens	specimen	NNS
cord-288072-42sx52tn	33	20	of	of	IN
cord-288072-42sx52tn	33	21	serum	serum	NN
cord-288072-42sx52tn	33	22	were	be	VBD
cord-288072-42sx52tn	33	23	stored	store	VBN
cord-288072-42sx52tn	33	24	at	at	IN
cord-288072-42sx52tn	33	25	-20	-20	CD
cord-288072-42sx52tn	33	26	C.	c.	NN
cord-288072-42sx52tn	34	1	The	the	DT
cord-288072-42sx52tn	34	2	specimens	specimen	NNS
cord-288072-42sx52tn	34	3	were	be	VBD
cord-288072-42sx52tn	34	4	collected	collect	VBN
cord-288072-42sx52tn	34	5	from	from	IN
cord-288072-42sx52tn	34	6	younger	young	JJR
cord-288072-42sx52tn	34	7	children	child	NNS
cord-288072-42sx52tn	34	8	on	on	IN
cord-288072-42sx52tn	34	9	filter	filter	NN
cord-288072-42sx52tn	34	10	paper	paper	NN
cord-288072-42sx52tn	34	11	disks	disk	NNS
cord-288072-42sx52tn	34	12	by	by	IN
cord-288072-42sx52tn	34	13	finger	finger	NN
cord-288072-42sx52tn	34	14	stick	stick	NN
cord-288072-42sx52tn	34	15	.	.	.
cord-288072-42sx52tn	35	1	At	at	RB
cord-288072-42sx52tn	35	2	least	least	JJS
cord-288072-42sx52tn	35	3	four	four	CD
cord-288072-42sx52tn	35	4	disks	disk	NNS
cord-288072-42sx52tn	35	5	were	be	VBD
cord-288072-42sx52tn	35	6	obtained	obtain	VBN
cord-288072-42sx52tn	35	7	at	at	IN
cord-288072-42sx52tn	35	8	one	one	CD
cord-288072-42sx52tn	35	9	time	time	NN
cord-288072-42sx52tn	35	10	,	,	,
cord-288072-42sx52tn	35	11	and	and	CC
cord-288072-42sx52tn	35	12	they	-PRON-	PRP
cord-288072-42sx52tn	35	13	were	be	VBD
cord-288072-42sx52tn	35	14	dried	dry	VBN
cord-288072-42sx52tn	35	15	and	and	CC
cord-288072-42sx52tn	35	16	stored	store	VBN
cord-288072-42sx52tn	35	17	at	at	IN
cord-288072-42sx52tn	35	18	4	4	CD
cord-288072-42sx52tn	35	19	C	c	NN
cord-288072-42sx52tn	35	20	until	until	IN
cord-288072-42sx52tn	35	21	use	use	NN
cord-288072-42sx52tn	35	22	.	.	.
cord-288072-42sx52tn	36	1	For	for	IN
cord-288072-42sx52tn	36	2	CF	CF	NNP
cord-288072-42sx52tn	36	3	and	and	CC
cord-288072-42sx52tn	36	4	HAl	hal	JJ
cord-288072-42sx52tn	36	5	tests	test	NNS
cord-288072-42sx52tn	36	6	,	,	,
cord-288072-42sx52tn	36	7	two	two	CD
cord-288072-42sx52tn	36	8	disks	disk	NNS
cord-288072-42sx52tn	36	9	were	be	VBD
cord-288072-42sx52tn	36	10	placed	place	VBN
cord-288072-42sx52tn	36	11	in	in	IN
cord-288072-42sx52tn	36	12	0.5	0.5	CD
cord-288072-42sx52tn	36	13	ml	ml	NNS
cord-288072-42sx52tn	36	14	of	of	IN
cord-288072-42sx52tn	36	15	veronal	veronal	JJ
cord-288072-42sx52tn	36	16	-	-	HYPH
cord-288072-42sx52tn	36	17	buflered	buflered	JJ
cord-288072-42sx52tn	36	18	saline	saline	NN
cord-288072-42sx52tn	36	19	,	,	,
cord-288072-42sx52tn	36	20	and	and	CC
cord-288072-42sx52tn	36	21	the	the	DT
cord-288072-42sx52tn	36	22	blood	blood	NN
cord-288072-42sx52tn	36	23	was	be	VBD
cord-288072-42sx52tn	36	24	eluted	elute	VBN
cord-288072-42sx52tn	36	25	for	for	IN
cord-288072-42sx52tn	36	26	18	18	CD
cord-288072-42sx52tn	36	27	hr	hr	NN
cord-288072-42sx52tn	36	28	at	at	IN
cord-288072-42sx52tn	36	29	4	4	CD
cord-288072-42sx52tn	36	30	C.	C.	NNP
cord-288072-42sx52tn	36	31	Thereafter	Thereafter	NNP
cord-288072-42sx52tn	36	32	,	,	,
cord-288072-42sx52tn	36	33	the	the	DT
cord-288072-42sx52tn	36	34	fluid	fluid	NN
cord-288072-42sx52tn	36	35	was	be	VBD
cord-288072-42sx52tn	36	36	completely	completely	RB
cord-288072-42sx52tn	36	37	expressed	express	VBN
cord-288072-42sx52tn	36	38	from	from	IN
cord-288072-42sx52tn	36	39	the	the	DT
cord-288072-42sx52tn	36	40	disks	disk	NNS
cord-288072-42sx52tn	36	41	and	and	CC
cord-288072-42sx52tn	36	42	inactivated	inactivate	VBD
cord-288072-42sx52tn	36	43	at	at	IN
cord-288072-42sx52tn	36	44	56	56	CD
cord-288072-42sx52tn	36	45	C	c	NN
cord-288072-42sx52tn	36	46	for	for	IN
cord-288072-42sx52tn	36	47	30	30	CD
cord-288072-42sx52tn	36	48	min	min	NN
cord-288072-42sx52tn	36	49	.	.	.
cord-288072-42sx52tn	37	1	The	the	DT
cord-288072-42sx52tn	37	2	eluate	eluate	NN
cord-288072-42sx52tn	37	3	was	be	VBD
cord-288072-42sx52tn	37	4	centrifuged	centrifuge	VBN
cord-288072-42sx52tn	37	5	for	for	IN
cord-288072-42sx52tn	37	6	1	1	CD
cord-288072-42sx52tn	37	7	hr	hr	NN
cord-288072-42sx52tn	37	8	at	at	IN
cord-288072-42sx52tn	37	9	650	650	CD
cord-288072-42sx52tn	37	10	g	g	NN
cord-288072-42sx52tn	37	11	,	,	,
cord-288072-42sx52tn	37	12	and	and	CC
cord-288072-42sx52tn	37	13	the	the	DT
cord-288072-42sx52tn	37	14	supernatant	supernatant	NN
cord-288072-42sx52tn	37	15	was	be	VBD
cord-288072-42sx52tn	37	16	considered	consider	VBN
cord-288072-42sx52tn	37	17	to	to	TO
cord-288072-42sx52tn	37	18	represent	represent	VB
cord-288072-42sx52tn	37	19	a	a	DT
cord-288072-42sx52tn	37	20	1:4	1:4	CD
cord-288072-42sx52tn	37	21	dilution	dilution	NN
cord-288072-42sx52tn	37	22	.	.	.
cord-288072-42sx52tn	38	1	The	the	DT
cord-288072-42sx52tn	38	2	specimens	specimen	NNS
cord-288072-42sx52tn	38	3	of	of	IN
cord-288072-42sx52tn	38	4	serum	serum	NN
cord-288072-42sx52tn	38	5	were	be	VBD
cord-288072-42sx52tn	38	6	inactivated	inactivate	VBN
cord-288072-42sx52tn	38	7	at	at	IN
cord-288072-42sx52tn	38	8	56	56	CD
cord-288072-42sx52tn	38	9	C	c	NN
cord-288072-42sx52tn	38	10	for	for	IN
cord-288072-42sx52tn	38	11	30	30	CD
cord-288072-42sx52tn	38	12	min	min	NN
cord-288072-42sx52tn	38	13	before	before	IN
cord-288072-42sx52tn	38	14	dilution	dilution	NN
cord-288072-42sx52tn	38	15	for	for	IN
cord-288072-42sx52tn	38	16	CF	CF	NNP
cord-288072-42sx52tn	38	17	,	,	,
cord-288072-42sx52tn	38	18	HAl	HAl	NNPS
cord-288072-42sx52tn	38	19	,	,	,
cord-288072-42sx52tn	38	20	or	or	CC
cord-288072-42sx52tn	38	21	neutralization	neutralization	NN
cord-288072-42sx52tn	38	22	tests	test	NNS
cord-288072-42sx52tn	38	23	.	.	.
cord-288072-42sx52tn	39	1	A	a	DT
cord-288072-42sx52tn	39	2	ntigens	ntigens	NN
cord-288072-42sx52tn	39	3	used	use	VBN
cord-288072-42sx52tn	39	4	.	.	.
cord-288072-42sx52tn	40	1	OC43	OC43	NNP
cord-288072-42sx52tn	40	2	antigen	antigen	NN
cord-288072-42sx52tn	40	3	was	be	VBD
cord-288072-42sx52tn	40	4	prepared	prepare	VBN
cord-288072-42sx52tn	40	5	from	from	IN
cord-288072-42sx52tn	40	6	a	a	DT
cord-288072-42sx52tn	40	7	mouse	mouse	NN
cord-288072-42sx52tn	40	8	brain	brain	NN
cord-288072-42sx52tn	40	9	-	-	HYPH
cord-288072-42sx52tn	40	10	adapted	adapt	VBN
cord-288072-42sx52tn	40	11	strain	strain	NN
cord-288072-42sx52tn	40	12	obtained	obtain	VBN
cord-288072-42sx52tn	40	13	through	through	IN
cord-288072-42sx52tn	40	14	the	the	DT
cord-288072-42sx52tn	40	15	courtesy	courtesy	NN
cord-288072-42sx52tn	40	16	of	of	IN
cord-288072-42sx52tn	40	17	Mr.	Mr.	NNP
cord-288072-42sx52tn	40	18	H.	H.	NNP
cord-288072-42sx52tn	40	19	S.	S.	NNP
cord-288072-42sx52tn	40	20	Kaye	Kaye	NNP
cord-288072-42sx52tn	40	21	,	,	,
cord-288072-42sx52tn	40	22	Center	Center	NNP
cord-288072-42sx52tn	40	23	for	for	IN
cord-288072-42sx52tn	40	24	Disease	Disease	NNP
cord-288072-42sx52tn	40	25	Control	Control	NNP
cord-288072-42sx52tn	40	26	.	.	.
cord-288072-42sx52tn	41	1	The	the	DT
cord-288072-42sx52tn	41	2	seed	seed	NN
cord-288072-42sx52tn	41	3	was	be	VBD
cord-288072-42sx52tn	41	4	propagated	propagate	VBN
cord-288072-42sx52tn	41	5	by	by	IN
cord-288072-42sx52tn	41	6	intracerebral	intracerebral	JJ
cord-288072-42sx52tn	41	7	inoculation	inoculation	NN
cord-288072-42sx52tn	41	8	of	of	IN
cord-288072-42sx52tn	41	9	suckling	suckle	VBG
cord-288072-42sx52tn	41	10	mice	mouse	NNS
cord-288072-42sx52tn	41	11	.	.	.
cord-288072-42sx52tn	42	1	Antigen	Antigen	NNP
cord-288072-42sx52tn	42	2	was	be	VBD
cord-288072-42sx52tn	42	3	prepared	prepare	VBN
cord-288072-42sx52tn	42	4	as	as	IN
cord-288072-42sx52tn	42	5	a	a	DT
cord-288072-42sx52tn	42	6	10	10	CD
cord-288072-42sx52tn	42	7	%	%	NN
cord-288072-42sx52tn	42	8	suspension	suspension	NN
cord-288072-42sx52tn	42	9	,	,	,
cord-288072-42sx52tn	42	10	in	in	IN
cord-288072-42sx52tn	42	11	phosphatebuffered	phosphatebuffered	JJ
cord-288072-42sx52tn	42	12	saline	saline	NN
cord-288072-42sx52tn	42	13	for	for	IN
cord-288072-42sx52tn	42	14	HAl	hal	JJ
cord-288072-42sx52tn	42	15	tests	test	NNS
cord-288072-42sx52tn	42	16	,	,	,
cord-288072-42sx52tn	42	17	and	and	CC
cord-288072-42sx52tn	42	18	in	in	IN
cord-288072-42sx52tn	42	19	tryptose	tryptose	JJ
cord-288072-42sx52tn	42	20	-	-	HYPH
cord-288072-42sx52tn	42	21	phosphate	phosphate	NN
cord-288072-42sx52tn	42	22	broth	broth	NN
cord-288072-42sx52tn	42	23	for	for	IN
cord-288072-42sx52tn	42	24	neutralization	neutralization	NN
cord-288072-42sx52tn	42	25	tests	test	NNS
cord-288072-42sx52tn	42	26	.	.	.
cord-288072-42sx52tn	43	1	For	for	IN
cord-288072-42sx52tn	43	2	CF	cf	NN
cord-288072-42sx52tn	43	3	tests	test	NNS
cord-288072-42sx52tn	43	4	,	,	,
cord-288072-42sx52tn	43	5	antigen	antigen	NNP
cord-288072-42sx52tn	43	6	was	be	VBD
cord-288072-42sx52tn	43	7	prepared	prepare	VBN
cord-288072-42sx52tn	43	8	as	as	IN
cord-288072-42sx52tn	43	9	a	a	DT
cord-288072-42sx52tn	43	10	20	20	CD
cord-288072-42sx52tn	43	11	%	%	NN
cord-288072-42sx52tn	43	12	suspension	suspension	NN
cord-288072-42sx52tn	43	13	in	in	IN
cord-288072-42sx52tn	43	14	veronal	veronal	JJ
cord-288072-42sx52tn	43	15	-	-	HYPH
cord-288072-42sx52tn	43	16	buffered	buffer	VBN
cord-288072-42sx52tn	43	17	saline	saline	NN
cord-288072-42sx52tn	43	18	.	.	.
cord-288072-42sx52tn	44	1	The	the	DT
cord-288072-42sx52tn	44	2	identity	identity	NN
cord-288072-42sx52tn	44	3	of	of	IN
cord-288072-42sx52tn	44	4	each	each	DT
cord-288072-42sx52tn	44	5	pool	pool	NN
cord-288072-42sx52tn	44	6	of	of	IN
cord-288072-42sx52tn	44	7	virus	virus	NN
cord-288072-42sx52tn	44	8	was	be	VBD
cord-288072-42sx52tn	44	9	confirmed	confirm	VBN
cord-288072-42sx52tn	44	10	by	by	IN
cord-288072-42sx52tn	44	11	CF	CF	NNP
cord-288072-42sx52tn	44	12	with	with	IN
cord-288072-42sx52tn	44	13	a	a	DT
cord-288072-42sx52tn	44	14	homologous	homologous	JJ
cord-288072-42sx52tn	44	15	and	and	CC
cord-288072-42sx52tn	44	16	a	a	DT
cord-288072-42sx52tn	44	17	hyperimmune	hyperimmune	NNP
cord-288072-42sx52tn	44	18	antiserum	antiserum	NN
cord-288072-42sx52tn	44	19	to	to	IN
cord-288072-42sx52tn	44	20	murine	murine	JJ
cord-288072-42sx52tn	44	21	hepatitis	hepatitis	NN
cord-288072-42sx52tn	44	22	virus	virus	NN
cord-288072-42sx52tn	44	23	.	.	.
cord-288072-42sx52tn	45	1	The	the	DT
cord-288072-42sx52tn	45	2	seed	seed	NN
cord-288072-42sx52tn	45	3	of	of	IN
cord-288072-42sx52tn	45	4	229E	229e	CD
cord-288072-42sx52tn	45	5	virus	virus	NN
cord-288072-42sx52tn	45	6	was	be	VBD
cord-288072-42sx52tn	45	7	originally	originally	RB
cord-288072-42sx52tn	45	8	obtained	obtain	VBN
cord-288072-42sx52tn	45	9	from	from	IN
cord-288072-42sx52tn	45	10	Dr.	Dr.	NNP
cord-288072-42sx52tn	45	11	Dorothy	Dorothy	NNP
cord-288072-42sx52tn	45	12	Hamre	Hamre	NNP
cord-288072-42sx52tn	45	13	and	and	CC
cord-288072-42sx52tn	45	14	was	be	VBD
cord-288072-42sx52tn	45	15	passed	pass	VBN
cord-288072-42sx52tn	45	16	serially	serially	RB
cord-288072-42sx52tn	45	17	in	in	IN
cord-288072-42sx52tn	45	18	WI-38	WI-38	NNP
cord-288072-42sx52tn	45	19	cell	cell	NN
cord-288072-42sx52tn	45	20	culture	culture	NN
cord-288072-42sx52tn	45	21	.	.	.
cord-288072-42sx52tn	46	1	Antigen	Antigen	NNP
cord-288072-42sx52tn	46	2	for	for	IN
cord-288072-42sx52tn	46	3	CF	cf	NN
cord-288072-42sx52tn	46	4	tests	test	NNS
cord-288072-42sx52tn	46	5	was	be	VBD
cord-288072-42sx52tn	46	6	prepared	prepare	VBN
cord-288072-42sx52tn	46	7	by	by	IN
cord-288072-42sx52tn	46	8	inoculation	inoculation	NN
cord-288072-42sx52tn	46	9	of	of	IN
cord-288072-42sx52tn	46	10	WI-38	WI-38	NNP
cord-288072-42sx52tn	46	11	bottles	bottle	NNS
cord-288072-42sx52tn	46	12	or	or	CC
cord-288072-42sx52tn	46	13	tubes	tube	NNS
cord-288072-42sx52tn	46	14	with	with	IN
cord-288072-42sx52tn	46	15	undiluted	undiluted	JJ
cord-288072-42sx52tn	46	16	virus	virus	NN
cord-288072-42sx52tn	46	17	.	.	.
cord-288072-42sx52tn	47	1	After	after	IN
cord-288072-42sx52tn	47	2	incubation	incubation	NN
cord-288072-42sx52tn	47	3	for	for	IN
cord-288072-42sx52tn	47	4	34	34	CD
cord-288072-42sx52tn	47	5	-	-	SYM
cord-288072-42sx52tn	47	6	38	38	CD
cord-288072-42sx52tn	47	7	hr	hr	NN
cord-288072-42sx52tn	47	8	at	at	IN
cord-288072-42sx52tn	47	9	33	33	CD
cord-288072-42sx52tn	47	10	C	c	NN
cord-288072-42sx52tn	47	11	the	the	DT
cord-288072-42sx52tn	47	12	cultures	culture	NNS
cord-288072-42sx52tn	47	13	were	be	VBD
cord-288072-42sx52tn	47	14	frozen	freeze	VBN
cord-288072-42sx52tn	47	15	and	and	CC
cord-288072-42sx52tn	47	16	thawed	thaw	VBN
cord-288072-42sx52tn	47	17	three	three	CD
cord-288072-42sx52tn	47	18	times	time	NNS
cord-288072-42sx52tn	47	19	,	,	,
cord-288072-42sx52tn	47	20	fluids	fluid	NNS
cord-288072-42sx52tn	47	21	were	be	VBD
cord-288072-42sx52tn	47	22	centrifuged	centrifuge	VBN
cord-288072-42sx52tn	47	23	,	,	,
cord-288072-42sx52tn	47	24	and	and	CC
cord-288072-42sx52tn	47	25	the	the	DT
cord-288072-42sx52tn	47	26	supernatant	supernatant	NN
cord-288072-42sx52tn	47	27	was	be	VBD
cord-288072-42sx52tn	47	28	used	use	VBN
cord-288072-42sx52tn	47	29	as	as	IN
cord-288072-42sx52tn	47	30	antigen	antigen	NN
cord-288072-42sx52tn	47	31	[	[	-LRB-
cord-288072-42sx52tn	47	32	11	11	CD
cord-288072-42sx52tn	47	33	]	]	-RRB-
cord-288072-42sx52tn	47	34	.	.	.
cord-288072-42sx52tn	48	1	Serologic	Serologic	NNP
cord-288072-42sx52tn	48	2	tests	test	NNS
cord-288072-42sx52tn	48	3	.	.	.
cord-288072-42sx52tn	49	1	CF	CF	NNP
cord-288072-42sx52tn	49	2	and	and	CC
cord-288072-42sx52tn	49	3	HAl	hal	JJ
cord-288072-42sx52tn	49	4	tests	test	NNS
cord-288072-42sx52tn	49	5	were	be	VBD
cord-288072-42sx52tn	49	6	performed	perform	VBN
cord-288072-42sx52tn	49	7	on	on	IN
cord-288072-42sx52tn	49	8	all	all	DT
cord-288072-42sx52tn	49	9	specimens	specimen	NNS
cord-288072-42sx52tn	49	10	of	of	IN
cord-288072-42sx52tn	49	11	serum	serum	NN
cord-288072-42sx52tn	49	12	collected	collect	VBN
cord-288072-42sx52tn	49	13	from	from	IN
cord-288072-42sx52tn	49	14	members	member	NNS
cord-288072-42sx52tn	49	15	of	of	IN
cord-288072-42sx52tn	49	16	269	269	CD
cord-288072-42sx52tn	49	17	families	family	NNS
cord-288072-42sx52tn	49	18	.	.	.
cord-288072-42sx52tn	50	1	These	these	DT
cord-288072-42sx52tn	50	2	families	family	NNS
cord-288072-42sx52tn	50	3	were	be	VBD
cord-288072-42sx52tn	50	4	selected	select	VBN
cord-288072-42sx52tn	50	5	randomly	randomly	RB
cord-288072-42sx52tn	50	6	from	from	IN
cord-288072-42sx52tn	50	7	within	within	IN
cord-288072-42sx52tn	50	8	each	each	DT
cord-288072-42sx52tn	50	9	of	of	IN
cord-288072-42sx52tn	50	10	the	the	DT
cord-288072-42sx52tn	50	11	four	four	CD
cord-288072-42sx52tn	50	12	years	year	NNS
cord-288072-42sx52tn	50	13	of	of	IN
cord-288072-42sx52tn	50	14	study	study	NN
cord-288072-42sx52tn	50	15	so	so	IN
cord-288072-42sx52tn	50	16	that	that	IN
cord-288072-42sx52tn	50	17	all	all	DT
cord-288072-42sx52tn	50	18	periods	period	NNS
cord-288072-42sx52tn	50	19	would	would	MD
cord-288072-42sx52tn	50	20	be	be	VB
cord-288072-42sx52tn	50	21	represented	represent	VBN
cord-288072-42sx52tn	50	22	.	.	.
cord-288072-42sx52tn	51	1	The	the	DT
cord-288072-42sx52tn	51	2	standard	standard	JJ
cord-288072-42sx52tn	51	3	CF	cf	NN
cord-288072-42sx52tn	51	4	test	test	NN
cord-288072-42sx52tn	51	5	was	be	VBD
cord-288072-42sx52tn	51	6	performed	perform	VBN
cord-288072-42sx52tn	51	7	by	by	IN
cord-288072-42sx52tn	51	8	a	a	DT
cord-288072-42sx52tn	51	9	microplate	microplate	JJ
cord-288072-42sx52tn	51	10	technique	technique	NN
cord-288072-42sx52tn	51	11	with	with	IN
cord-288072-42sx52tn	51	12	sheep	sheep	NN
cord-288072-42sx52tn	51	13	erythrocytes	erythrocyte	NNS
cord-288072-42sx52tn	51	14	,	,	,
cord-288072-42sx52tn	51	15	4	4	CD
cord-288072-42sx52tn	51	16	units	unit	NNS
cord-288072-42sx52tn	51	17	of	of	IN
cord-288072-42sx52tn	51	18	antigen	antigen	NN
cord-288072-42sx52tn	51	19	,	,	,
cord-288072-42sx52tn	51	20	and	and	CC
cord-288072-42sx52tn	51	21	1.8	1.8	CD
cord-288072-42sx52tn	51	22	units	unit	NNS
cord-288072-42sx52tn	51	23	of	of	IN
cord-288072-42sx52tn	51	24	complement	complement	NN
cord-288072-42sx52tn	51	25	.	.	.
cord-288072-42sx52tn	52	1	The	the	DT
cord-288072-42sx52tn	52	2	HAl	hal	JJ
cord-288072-42sx52tn	52	3	test	test	NN
cord-288072-42sx52tn	52	4	was	be	VBD
cord-288072-42sx52tn	52	5	performed	perform	VBN
cord-288072-42sx52tn	52	6	in	in	IN
cord-288072-42sx52tn	52	7	microplates	microplate	NNS
cord-288072-42sx52tn	52	8	by	by	IN
cord-288072-42sx52tn	52	9	the	the	DT
cord-288072-42sx52tn	52	10	method	method	NN
cord-288072-42sx52tn	52	11	of	of	IN
cord-288072-42sx52tn	52	12	Kaye	Kaye	NNP
cord-288072-42sx52tn	52	13	et	et	NNP
cord-288072-42sx52tn	52	14	al	al	NNP
cord-288072-42sx52tn	52	15	.	.	.
cord-288072-42sx52tn	53	1	[	[	-LRB-
cord-288072-42sx52tn	53	2	8	8	CD
cord-288072-42sx52tn	53	3	]	]	-RRB-
cord-288072-42sx52tn	53	4	.	.	.
cord-288072-42sx52tn	54	1	Sera	Sera	NNP
cord-288072-42sx52tn	54	2	were	be	VBD
cord-288072-42sx52tn	54	3	serially	serially	RB
cord-288072-42sx52tn	54	4	diluted	dilute	VBN
cord-288072-42sx52tn	54	5	in	in	IN
cord-288072-42sx52tn	54	6	phosphate	phosphate	NN
cord-288072-42sx52tn	54	7	buffered	buffer	VBN
cord-288072-42sx52tn	54	8	saline	saline	NN
cord-288072-42sx52tn	54	9	from	from	IN
cord-288072-42sx52tn	54	10	the	the	DT
cord-288072-42sx52tn	54	11	initial	initial	JJ
cord-288072-42sx52tn	54	12	1	1	CD
cord-288072-42sx52tn	54	13	:	:	SYM
cord-288072-42sx52tn	54	14	4	4	CD
cord-288072-42sx52tn	54	15	dilution	dilution	NN
cord-288072-42sx52tn	54	16	,	,	,
cord-288072-42sx52tn	54	17	and	and	CC
cord-288072-42sx52tn	54	18	4	4	CD
cord-288072-42sx52tn	54	19	units	unit	NNS
cord-288072-42sx52tn	54	20	of	of	IN
cord-288072-42sx52tn	54	21	antigen	antigen	NN
cord-288072-42sx52tn	54	22	were	be	VBD
cord-288072-42sx52tn	54	23	added	add	VBN
cord-288072-42sx52tn	54	24	.	.	.
cord-288072-42sx52tn	55	1	After	after	IN
cord-288072-42sx52tn	55	2	incubation	incubation	NN
cord-288072-42sx52tn	55	3	for	for	IN
cord-288072-42sx52tn	55	4	30	30	CD
cord-288072-42sx52tn	55	5	min	min	NN
cord-288072-42sx52tn	55	6	at	at	IN
cord-288072-42sx52tn	55	7	24	24	CD
cord-288072-42sx52tn	55	8	C	C	NNP
cord-288072-42sx52tn	55	9	0.4	0.4	CD
cord-288072-42sx52tn	55	10	%	%	NN
cord-288072-42sx52tn	55	11	chick	chick	NN
cord-288072-42sx52tn	55	12	erythrocytes	erythrocyte	NNS
cord-288072-42sx52tn	55	13	were	be	VBD
cord-288072-42sx52tn	55	14	added	add	VBN
cord-288072-42sx52tn	55	15	.	.	.
cord-288072-42sx52tn	56	1	The	the	DT
cord-288072-42sx52tn	56	2	test	test	NN
cord-288072-42sx52tn	56	3	was	be	VBD
cord-288072-42sx52tn	56	4	read	read	VBN
cord-288072-42sx52tn	56	5	after	after	IN
cord-288072-42sx52tn	56	6	incubation	incubation	NN
cord-288072-42sx52tn	56	7	for	for	IN
cord-288072-42sx52tn	56	8	an	an	DT
cord-288072-42sx52tn	56	9	additional	additional	JJ
cord-288072-42sx52tn	56	10	1	1	CD
cord-288072-42sx52tn	56	11	hr	hr	NN
cord-288072-42sx52tn	56	12	at	at	IN
cord-288072-42sx52tn	56	13	24	24	CD
cord-288072-42sx52tn	56	14	C.	C.	NNP
cord-288072-42sx52tn	56	15	For	for	IN
cord-288072-42sx52tn	56	16	both	both	DT
cord-288072-42sx52tn	56	17	CF	CF	NNP
cord-288072-42sx52tn	56	18	and	and	CC
cord-288072-42sx52tn	56	19	HAl	HAl	NNP
cord-288072-42sx52tn	56	20	,	,	,
cord-288072-42sx52tn	56	21	all	all	DT
cord-288072-42sx52tn	56	22	sera	sera	NNP
cord-288072-42sx52tn	56	23	from	from	IN
cord-288072-42sx52tn	56	24	the	the	DT
cord-288072-42sx52tn	56	25	same	same	JJ
cord-288072-42sx52tn	56	26	individual	individual	NN
cord-288072-42sx52tn	56	27	were	be	VBD
cord-288072-42sx52tn	56	28	tested	test	VBN
cord-288072-42sx52tn	56	29	simultaneously	simultaneously	RB
cord-288072-42sx52tn	56	30	.	.	.
cord-288072-42sx52tn	57	1	A	a	DT
cord-288072-42sx52tn	57	2	significant	significant	JJ
cord-288072-42sx52tn	57	3	rise	rise	NN
cord-288072-42sx52tn	57	4	in	in	IN
cord-288072-42sx52tn	57	5	titer	titer	NN
cord-288072-42sx52tn	57	6	was	be	VBD
cord-288072-42sx52tn	57	7	considered	consider	VBN
cord-288072-42sx52tn	57	8	to	to	TO
cord-288072-42sx52tn	57	9	have	have	VB
cord-288072-42sx52tn	57	10	occurred	occur	VBN
cord-288072-42sx52tn	57	11	if	if	IN
cord-288072-42sx52tn	57	12	antibody	antibody	NN
cord-288072-42sx52tn	57	13	appeared	appear	VBD
cord-288072-42sx52tn	57	14	in	in	IN
cord-288072-42sx52tn	57	15	a	a	DT
cord-288072-42sx52tn	57	16	1	1	CD
cord-288072-42sx52tn	57	17	:	:	SYM
cord-288072-42sx52tn	57	18	8	8	CD
cord-288072-42sx52tn	57	19	dilution	dilution	NN
cord-288072-42sx52tn	57	20	when	when	WRB
cord-288072-42sx52tn	57	21	prior	prior	JJ
cord-288072-42sx52tn	57	22	specimens	specimen	NNS
cord-288072-42sx52tn	57	23	did	do	VBD
cord-288072-42sx52tn	57	24	not	not	RB
cord-288072-42sx52tn	57	25	have	have	VB
cord-288072-42sx52tn	57	26	demonstrable	demonstrable	JJ
cord-288072-42sx52tn	57	27	antibody	antibody	NN
cord-288072-42sx52tn	57	28	at	at	IN
cord-288072-42sx52tn	57	29	a	a	DT
cord-288072-42sx52tn	57	30	1	1	CD
cord-288072-42sx52tn	57	31	:	:	SYM
cord-288072-42sx52tn	57	32	4	4	CD
cord-288072-42sx52tn	57	33	dilution	dilution	NN
cord-288072-42sx52tn	57	34	.	.	.
cord-288072-42sx52tn	58	1	A	a	DT
cord-288072-42sx52tn	58	2	fourfold	fourfold	JJ
cord-288072-42sx52tn	58	3	rise	rise	NN
cord-288072-42sx52tn	58	4	from	from	IN
cord-288072-42sx52tn	58	5	a	a	DT
cord-288072-42sx52tn	58	6	previous	previous	JJ
cord-288072-42sx52tn	58	7	antibody	antibody	NN
cord-288072-42sx52tn	58	8	titer	titer	NN
cord-288072-42sx52tn	58	9	was	be	VBD
cord-288072-42sx52tn	58	10	also	also	RB
cord-288072-42sx52tn	58	11	considered	consider	VBN
cord-288072-42sx52tn	58	12	significant	significant	JJ
cord-288072-42sx52tn	58	13	.	.	.
cord-288072-42sx52tn	59	1	Approximately	approximately	RB
cord-288072-42sx52tn	59	2	40	40	CD
cord-288072-42sx52tn	59	3	%	%	NN
cord-288072-42sx52tn	59	4	of	of	IN
cord-288072-42sx52tn	59	5	serum	serum	NN
cord-288072-42sx52tn	59	6	pairs	pair	NNS
cord-288072-42sx52tn	59	7	demonstrating	demonstrate	VBG
cord-288072-42sx52tn	59	8	a	a	DT
cord-288072-42sx52tn	59	9	significant	significant	JJ
cord-288072-42sx52tn	59	10	rise	rise	NN
cord-288072-42sx52tn	59	11	in	in	IN
cord-288072-42sx52tn	59	12	antibody	antibody	NN
cord-288072-42sx52tn	59	13	titer	titer	NN
cord-288072-42sx52tn	59	14	by	by	IN
cord-288072-42sx52tn	59	15	CF	CF	NNP
cord-288072-42sx52tn	59	16	and	and	CC
cord-288072-42sx52tn	59	17	HAl	HAl	NNPS
cord-288072-42sx52tn	59	18	were	be	VBD
cord-288072-42sx52tn	59	19	also	also	RB
cord-288072-42sx52tn	59	20	tested	test	VBN
cord-288072-42sx52tn	59	21	by	by	IN
cord-288072-42sx52tn	59	22	neutralization	neutralization	NN
cord-288072-42sx52tn	59	23	[	[	-LRB-
cord-288072-42sx52tn	59	24	9	9	CD
cord-288072-42sx52tn	59	25	]	]	-RRB-
cord-288072-42sx52tn	59	26	.	.	.
cord-288072-42sx52tn	60	1	The	the	DT
cord-288072-42sx52tn	60	2	neutralization	neutralization	NN
cord-288072-42sx52tn	60	3	tests	test	NNS
cord-288072-42sx52tn	60	4	were	be	VBD
cord-288072-42sx52tn	60	5	performed	perform	VBN
cord-288072-42sx52tn	60	6	in	in	IN
cord-288072-42sx52tn	60	7	cultures	culture	NNS
cord-288072-42sx52tn	60	8	of	of	IN
cord-288072-42sx52tn	60	9	BS	BS	NNP
cord-288072-42sx52tn	60	10	-	-	HYPH
cord-288072-42sx52tn	60	11	C-1	C-1	NNP
cord-288072-42sx52tn	60	12	cells	cell	NNS
cord-288072-42sx52tn	60	13	.	.	.
cord-288072-42sx52tn	61	1	Cells	cell	NNS
cord-288072-42sx52tn	61	2	were	be	VBD
cord-288072-42sx52tn	61	3	grown	grow	VBN
cord-288072-42sx52tn	61	4	in	in	IN
cord-288072-42sx52tn	61	5	Eagle	Eagle	NNP
cord-288072-42sx52tn	61	6	's	's	POS
cord-288072-42sx52tn	61	7	minimal	minimal	JJ
cord-288072-42sx52tn	61	8	essential	essential	JJ
cord-288072-42sx52tn	61	9	medium	medium	NN
cord-288072-42sx52tn	61	10	(	(	-LRB-
cord-288072-42sx52tn	61	11	MEM	MEM	NNP
cord-288072-42sx52tn	61	12	)	)	-RRB-
cord-288072-42sx52tn	61	13	made	make	VBN
cord-288072-42sx52tn	61	14	in	in	IN
cord-288072-42sx52tn	61	15	Hanks	Hanks	NNP
cord-288072-42sx52tn	61	16	'	'	POS
cord-288072-42sx52tn	61	17	salts	salt	NNS
cord-288072-42sx52tn	61	18	with	with	IN
cord-288072-42sx52tn	61	19	10	10	CD
cord-288072-42sx52tn	61	20	%	%	NN
cord-288072-42sx52tn	61	21	fetal	fetal	JJ
cord-288072-42sx52tn	61	22	bovine	bovine	JJ
cord-288072-42sx52tn	61	23	serum	serum	NN
cord-288072-42sx52tn	61	24	.	.	.
cord-288072-42sx52tn	62	1	Before	before	IN
cord-288072-42sx52tn	62	2	use	use	NN
cord-288072-42sx52tn	62	3	,	,	,
cord-288072-42sx52tn	62	4	the	the	DT
cord-288072-42sx52tn	62	5	cultures	culture	NNS
cord-288072-42sx52tn	62	6	were	be	VBD
cord-288072-42sx52tn	62	7	washed	wash	VBN
cord-288072-42sx52tn	62	8	three	three	CD
cord-288072-42sx52tn	62	9	times	time	NNS
cord-288072-42sx52tn	62	10	with	with	IN
cord-288072-42sx52tn	62	11	balanced	balanced	JJ
cord-288072-42sx52tn	62	12	salt	salt	NN
cord-288072-42sx52tn	62	13	solution	solution	NN
cord-288072-42sx52tn	62	14	,	,	,
cord-288072-42sx52tn	62	15	and	and	CC
cord-288072-42sx52tn	62	16	they	-PRON-	PRP
cord-288072-42sx52tn	62	17	were	be	VBD
cord-288072-42sx52tn	62	18	maintained	maintain	VBN
cord-288072-42sx52tn	62	19	on	on	IN
cord-288072-42sx52tn	62	20	serum	serum	NN
cord-288072-42sx52tn	62	21	-	-	HYPH
cord-288072-42sx52tn	62	22	free	free	JJ
cord-288072-42sx52tn	62	23	MEM	mem	NN
cord-288072-42sx52tn	62	24	in	in	IN
cord-288072-42sx52tn	62	25	Earle	Earle	NNP
cord-288072-42sx52tn	62	26	's	's	POS
cord-288072-42sx52tn	62	27	salts	salt	NNS
cord-288072-42sx52tn	62	28	.	.	.
cord-288072-42sx52tn	63	1	Virus	virus	NN
cord-288072-42sx52tn	63	2	was	be	VBD
cord-288072-42sx52tn	63	3	used	use	VBN
cord-288072-42sx52tn	63	4	at	at	IN
cord-288072-42sx52tn	63	5	a	a	DT
cord-288072-42sx52tn	63	6	dose	dose	NN
cord-288072-42sx52tn	63	7	of	of	IN
cord-288072-42sx52tn	63	8	100	100	CD
cord-288072-42sx52tn	63	9	-	-	SYM
cord-288072-42sx52tn	63	10	320	320	CD
cord-288072-42sx52tn	63	11	TCID50/0.1	TCID50/0.1	NNP
cord-288072-42sx52tn	63	12	ml	ml	XX
cord-288072-42sx52tn	63	13	.	.	.
cord-288072-42sx52tn	64	1	After	after	IN
cord-288072-42sx52tn	64	2	inactivation	inactivation	NN
cord-288072-42sx52tn	64	3	at	at	IN
cord-288072-42sx52tn	64	4	56	56	CD
cord-288072-42sx52tn	64	5	C	c	NN
cord-288072-42sx52tn	64	6	for	for	IN
cord-288072-42sx52tn	64	7	30	30	CD
cord-288072-42sx52tn	64	8	min	min	NN
cord-288072-42sx52tn	64	9	the	the	DT
cord-288072-42sx52tn	64	10	sera	sera	NNP
cord-288072-42sx52tn	64	11	were	be	VBD
cord-288072-42sx52tn	64	12	serially	serially	RB
cord-288072-42sx52tn	64	13	diluted	dilute	VBN
cord-288072-42sx52tn	64	14	.	.	.
cord-288072-42sx52tn	65	1	To	to	IN
cord-288072-42sx52tn	65	2	0.3	0.3	CD
cord-288072-42sx52tn	65	3	ml	ml	NNS
cord-288072-42sx52tn	65	4	of	of	IN
cord-288072-42sx52tn	65	5	diluted	diluted	JJ
cord-288072-42sx52tn	65	6	sera	sera	NNP
cord-288072-42sx52tn	65	7	,	,	,
cord-288072-42sx52tn	65	8	0.3	0.3	CD
cord-288072-42sx52tn	65	9	ml	ml	XX
cord-288072-42sx52tn	65	10	of	of	IN
cord-288072-42sx52tn	65	11	the	the	DT
cord-288072-42sx52tn	65	12	appropriate	appropriate	JJ
cord-288072-42sx52tn	65	13	dilution	dilution	NN
cord-288072-42sx52tn	65	14	of	of	IN
cord-288072-42sx52tn	65	15	virus	virus	NN
cord-288072-42sx52tn	65	16	was	be	VBD
cord-288072-42sx52tn	65	17	added	add	VBN
cord-288072-42sx52tn	65	18	,	,	,
cord-288072-42sx52tn	65	19	and	and	CC
cord-288072-42sx52tn	65	20	the	the	DT
cord-288072-42sx52tn	65	21	mixture	mixture	NN
cord-288072-42sx52tn	65	22	was	be	VBD
cord-288072-42sx52tn	65	23	incubated	incubate	VBN
cord-288072-42sx52tn	65	24	at	at	IN
cord-288072-42sx52tn	65	25	24	24	CD
cord-288072-42sx52tn	65	26	C	c	NN
cord-288072-42sx52tn	65	27	for	for	IN
cord-288072-42sx52tn	65	28	1	1	CD
cord-288072-42sx52tn	65	29	hr	hr	NN
cord-288072-42sx52tn	65	30	.	.	.
cord-288072-42sx52tn	66	1	Thereafter	thereafter	IN
cord-288072-42sx52tn	66	2	0.2	0.2	CD
cord-288072-42sx52tn	66	3	ml	ml	NNS
cord-288072-42sx52tn	66	4	of	of	IN
cord-288072-42sx52tn	66	5	each	each	DT
cord-288072-42sx52tn	66	6	mixture	mixture	NN
cord-288072-42sx52tn	66	7	of	of	IN
cord-288072-42sx52tn	66	8	serum	serum	NN
cord-288072-42sx52tn	66	9	and	and	CC
cord-288072-42sx52tn	66	10	virus	virus	NN
cord-288072-42sx52tn	66	11	was	be	VBD
cord-288072-42sx52tn	66	12	inoculated	inoculate	VBN
cord-288072-42sx52tn	66	13	into	into	IN
cord-288072-42sx52tn	66	14	each	each	DT
cord-288072-42sx52tn	66	15	of	of	IN
cord-288072-42sx52tn	66	16	two	two	CD
cord-288072-42sx52tn	66	17	cell	cell	NN
cord-288072-42sx52tn	66	18	-	-	HYPH
cord-288072-42sx52tn	66	19	culture	culture	NN
cord-288072-42sx52tn	66	20	tubes	tube	NNS
cord-288072-42sx52tn	66	21	.	.	.
cord-288072-42sx52tn	67	1	The	the	DT
cord-288072-42sx52tn	67	2	tubes	tube	NNS
cord-288072-42sx52tn	67	3	were	be	VBD
cord-288072-42sx52tn	67	4	placed	place	VBN
cord-288072-42sx52tn	67	5	in	in	IN
cord-288072-42sx52tn	67	6	a	a	DT
cord-288072-42sx52tn	67	7	roller	roller	NN
cord-288072-42sx52tn	67	8	drum	drum	NN
cord-288072-42sx52tn	67	9	and	and	CC
cord-288072-42sx52tn	67	10	incubated	incubate	VBD
cord-288072-42sx52tn	67	11	at	at	IN
cord-288072-42sx52tn	67	12	33	33	CD
cord-288072-42sx52tn	67	13	C.	C.	NNP
cord-288072-42sx52tn	67	14	After	after	IN
cord-288072-42sx52tn	67	15	four	four	CD
cord-288072-42sx52tn	67	16	days	day	NNS
cord-288072-42sx52tn	67	17	,	,	,
cord-288072-42sx52tn	67	18	rat	rat	NN
cord-288072-42sx52tn	67	19	erythrocytes	erythrocyte	NNS
cord-288072-42sx52tn	67	20	were	be	VBD
cord-288072-42sx52tn	67	21	washed	wash	VBN
cord-288072-42sx52tn	67	22	three	three	CD
cord-288072-42sx52tn	67	23	times	time	NNS
cord-288072-42sx52tn	67	24	,	,	,
cord-288072-42sx52tn	67	25	and	and	CC
cord-288072-42sx52tn	67	26	0.2	0.2	CD
cord-288072-42sx52tn	67	27	ml	ml	NNS
cord-288072-42sx52tn	67	28	of	of	IN
cord-288072-42sx52tn	67	29	a	a	DT
cord-288072-42sx52tn	67	30	0.4	0.4	CD
cord-288072-42sx52tn	67	31	%	%	NN
cord-288072-42sx52tn	67	32	solution	solution	NN
cord-288072-42sx52tn	67	33	was	be	VBD
cord-288072-42sx52tn	67	34	added	add	VBN
cord-288072-42sx52tn	67	35	to	to	IN
cord-288072-42sx52tn	67	36	each	each	DT
cord-288072-42sx52tn	67	37	cell	cell	NN
cord-288072-42sx52tn	67	38	-	-	HYPH
cord-288072-42sx52tn	67	39	culture	culture	NN
cord-288072-42sx52tn	67	40	tube	tube	NN
cord-288072-42sx52tn	67	41	.	.	.
cord-288072-42sx52tn	68	1	Tubes	tube	NNS
cord-288072-42sx52tn	68	2	were	be	VBD
cord-288072-42sx52tn	68	3	examined	examine	VBN
cord-288072-42sx52tn	68	4	microscopically	microscopically	RB
cord-288072-42sx52tn	68	5	after	after	IN
cord-288072-42sx52tn	68	6	45	45	CD
cord-288072-42sx52tn	68	7	min	min	NN
cord-288072-42sx52tn	68	8	at	at	IN
cord-288072-42sx52tn	68	9	24	24	CD
cord-288072-42sx52tn	68	10	C	C	NNP
cord-288072-42sx52tn	68	11	,	,	,
cord-288072-42sx52tn	68	12	and	and	CC
cord-288072-42sx52tn	68	13	end	end	NN
cord-288072-42sx52tn	68	14	points	point	NNS
cord-288072-42sx52tn	68	15	were	be	VBD
cord-288072-42sx52tn	68	16	determined	determine	VBN
cord-288072-42sx52tn	68	17	based	base	VBN
cord-288072-42sx52tn	68	18	on	on	IN
cord-288072-42sx52tn	68	19	the	the	DT
cord-288072-42sx52tn	68	20	presence	presence	NN
cord-288072-42sx52tn	68	21	of	of	IN
cord-288072-42sx52tn	68	22	virus	virus	NN
cord-288072-42sx52tn	68	23	-	-	HYPH
cord-288072-42sx52tn	68	24	specific	specific	JJ
cord-288072-42sx52tn	68	25	hemadsorption	hemadsorption	NN
cord-288072-42sx52tn	68	26	.	.	.
cord-288072-42sx52tn	69	1	All	all	DT
cord-288072-42sx52tn	69	2	specimens	specimen	NNS
cord-288072-42sx52tn	69	3	of	of	IN
cord-288072-42sx52tn	69	4	serum	serum	NN
cord-288072-42sx52tn	69	5	collected	collect	VBN
cord-288072-42sx52tn	69	6	from	from	IN
cord-288072-42sx52tn	69	7	members	member	NNS
cord-288072-42sx52tn	69	8	of	of	IN
cord-288072-42sx52tn	69	9	269	269	CD
cord-288072-42sx52tn	69	10	families	family	NNS
cord-288072-42sx52tn	69	11	were	be	VBD
cord-288072-42sx52tn	69	12	studied	study	VBN
cord-288072-42sx52tn	69	13	by	by	IN
cord-288072-42sx52tn	69	14	CF	CF	NNP
cord-288072-42sx52tn	69	15	and	and	CC
cord-288072-42sx52tn	69	16	HAl	HAl	NNPS
cord-288072-42sx52tn	69	17	for	for	IN
cord-288072-42sx52tn	69	18	rise	rise	NN
cord-288072-42sx52tn	69	19	in	in	IN
cord-288072-42sx52tn	69	20	titer	titer	NN
cord-288072-42sx52tn	69	21	of	of	IN
cord-288072-42sx52tn	69	22	antibody	antibody	NN
cord-288072-42sx52tn	69	23	to	to	TO
cord-288072-42sx52tn	69	24	coronavirus	coronavirus	NN
cord-288072-42sx52tn	69	25	OC43	OC43	NNP
cord-288072-42sx52tn	69	26	.	.	.
cord-288072-42sx52tn	70	1	These	these	DT
cord-288072-42sx52tn	70	2	specimens	specimen	NNS
cord-288072-42sx52tn	70	3	had	have	VBD
cord-288072-42sx52tn	70	4	been	be	VBN
cord-288072-42sx52tn	70	5	collected	collect	VBN
cord-288072-42sx52tn	70	6	from	from	IN
cord-288072-42sx52tn	70	7	November	November	NNP
cord-288072-42sx52tn	70	8	1965	1965	CD
cord-288072-42sx52tn	70	9	to	to	IN
cord-288072-42sx52tn	70	10	June	June	NNP
cord-288072-42sx52tn	70	11	1969	1969	CD
cord-288072-42sx52tn	70	12	.	.	.
cord-288072-42sx52tn	71	1	In	in	IN
cord-288072-42sx52tn	71	2	nearly	nearly	RB
cord-288072-42sx52tn	71	3	all	all	DT
cord-288072-42sx52tn	71	4	cases	case	NNS
cord-288072-42sx52tn	71	5	,	,	,
cord-288072-42sx52tn	71	6	three	three	CD
cord-288072-42sx52tn	71	7	specimens	specimen	NNS
cord-288072-42sx52tn	71	8	were	be	VBD
cord-288072-42sx52tn	71	9	obtained	obtain	VBN
cord-288072-42sx52tn	71	10	from	from	IN
cord-288072-42sx52tn	71	11	each	each	DT
cord-288072-42sx52tn	71	12	individual	individual	NN
cord-288072-42sx52tn	71	13	during	during	IN
cord-288072-42sx52tn	71	14	each	each	DT
cord-288072-42sx52tn	71	15	period	period	NN
cord-288072-42sx52tn	71	16	of	of	IN
cord-288072-42sx52tn	71	17	surveillance	surveillance	NN
cord-288072-42sx52tn	71	18	.	.	.
cord-288072-42sx52tn	72	1	To	to	TO
cord-288072-42sx52tn	72	2	determine	determine	VB
cord-288072-42sx52tn	72	3	the	the	DT
cord-288072-42sx52tn	72	4	temporal	temporal	JJ
cord-288072-42sx52tn	72	5	occurrence	occurrence	NN
cord-288072-42sx52tn	72	6	of	of	IN
cord-288072-42sx52tn	72	7	infection	infection	NN
cord-288072-42sx52tn	72	8	with	with	IN
cord-288072-42sx52tn	72	9	OC43related	oc43related	JJ
cord-288072-42sx52tn	72	10	viruses	virus	NNS
cord-288072-42sx52tn	72	11	,	,	,
cord-288072-42sx52tn	72	12	the	the	DT
cord-288072-42sx52tn	72	13	three	three	CD
cord-288072-42sx52tn	72	14	specimens	specimen	NNS
cord-288072-42sx52tn	72	15	collected	collect	VBN
cord-288072-42sx52tn	72	16	from	from	IN
cord-288072-42sx52tn	72	17	each	each	DT
cord-288072-42sx52tn	72	18	person	person	NN
cord-288072-42sx52tn	72	19	were	be	VBD
cord-288072-42sx52tn	72	20	divided	divide	VBN
cord-288072-42sx52tn	72	21	into	into	IN
cord-288072-42sx52tn	72	22	two	two	CD
cord-288072-42sx52tn	72	23	component	component	NN
cord-288072-42sx52tn	72	24	pairs	pair	NNS
cord-288072-42sx52tn	72	25	,	,	,
cord-288072-42sx52tn	72	26	each	each	DT
cord-288072-42sx52tn	72	27	spanning	span	VBG
cord-288072-42sx52tn	72	28	a	a	DT
cord-288072-42sx52tn	72	29	six	six	CD
cord-288072-42sx52tn	72	30	-	-	HYPH
cord-288072-42sx52tn	72	31	month	month	NN
cord-288072-42sx52tn	72	32	period	period	NN
cord-288072-42sx52tn	72	33	.	.	.
cord-288072-42sx52tn	73	1	The	the	DT
cord-288072-42sx52tn	73	2	time	time	NN
cord-288072-42sx52tn	73	3	of	of	IN
cord-288072-42sx52tn	73	4	each	each	DT
cord-288072-42sx52tn	73	5	pair	pair	NN
cord-288072-42sx52tn	73	6	was	be	VBD
cord-288072-42sx52tn	73	7	identified	identify	VBN
cord-288072-42sx52tn	73	8	by	by	IN
cord-288072-42sx52tn	73	9	the	the	DT
cord-288072-42sx52tn	73	10	month	month	NN
cord-288072-42sx52tn	73	11	of	of	IN
cord-288072-42sx52tn	73	12	collection	collection	NN
cord-288072-42sx52tn	73	13	of	of	IN
cord-288072-42sx52tn	73	14	the	the	DT
cord-288072-42sx52tn	73	15	second	second	JJ
cord-288072-42sx52tn	73	16	serum	serum	NN
cord-288072-42sx52tn	73	17	of	of	IN
cord-288072-42sx52tn	73	18	that	that	DT
cord-288072-42sx52tn	73	19	pair	pair	NN
cord-288072-42sx52tn	73	20	.	.	.
cord-288072-42sx52tn	74	1	Results	result	NNS
cord-288072-42sx52tn	74	2	of	of	IN
cord-288072-42sx52tn	74	3	the	the	DT
cord-288072-42sx52tn	74	4	serologic	serologic	JJ
cord-288072-42sx52tn	74	5	tests	test	NNS
cord-288072-42sx52tn	74	6	are	be	VBP
cord-288072-42sx52tn	74	7	shown	show	VBN
cord-288072-42sx52tn	74	8	in	in	IN
cord-288072-42sx52tn	74	9	figure	figure	NN
cord-288072-42sx52tn	74	10	1	1	CD
cord-288072-42sx52tn	74	11	.	.	.
cord-288072-42sx52tn	75	1	Rises	rise	NNS
cord-288072-42sx52tn	75	2	in	in	IN
cord-288072-42sx52tn	75	3	CF	cf	NN
cord-288072-42sx52tn	75	4	and	and	CC
cord-288072-42sx52tn	75	5	HAl	hal	JJ
cord-288072-42sx52tn	75	6	titers	titer	NNS
cord-288072-42sx52tn	75	7	frequently	frequently	RB
cord-288072-42sx52tn	75	8	were	be	VBD
cord-288072-42sx52tn	75	9	independent	independent	JJ
cord-288072-42sx52tn	75	10	of	of	IN
cord-288072-42sx52tn	75	11	each	each	DT
cord-288072-42sx52tn	75	12	other	other	JJ
cord-288072-42sx52tn	75	13	.	.	.
cord-288072-42sx52tn	76	1	Therefore	therefore	RB
cord-288072-42sx52tn	76	2	,	,	,
cord-288072-42sx52tn	76	3	each	each	DT
cord-288072-42sx52tn	76	4	rise	rise	NN
cord-288072-42sx52tn	76	5	was	be	VBD
cord-288072-42sx52tn	76	6	counted	count	VBN
cord-288072-42sx52tn	76	7	without	without	IN
cord-288072-42sx52tn	76	8	regard	regard	NN
cord-288072-42sx52tn	76	9	to	to	IN
cord-288072-42sx52tn	76	10	the	the	DT
cord-288072-42sx52tn	76	11	presence	presence	NN
cord-288072-42sx52tn	76	12	or	or	CC
cord-288072-42sx52tn	76	13	absence	absence	NN
cord-288072-42sx52tn	76	14	of	of	IN
cord-288072-42sx52tn	76	15	the	the	DT
cord-288072-42sx52tn	76	16	other	other	JJ
cord-288072-42sx52tn	76	17	and	and	CC
cord-288072-42sx52tn	76	18	is	be	VBZ
cord-288072-42sx52tn	76	19	indicated	indicate	VBN
cord-288072-42sx52tn	76	20	as	as	IN
cord-288072-42sx52tn	76	21	a	a	DT
cord-288072-42sx52tn	76	22	separate	separate	JJ
cord-288072-42sx52tn	76	23	curve	curve	NN
cord-288072-42sx52tn	76	24	in	in	IN
cord-288072-42sx52tn	76	25	the	the	DT
cord-288072-42sx52tn	76	26	figure	figure	NN
cord-288072-42sx52tn	76	27	.	.	.
cord-288072-42sx52tn	77	1	Bars	bar	NNS
cord-288072-42sx52tn	77	2	indicate	indicate	VBP
cord-288072-42sx52tn	77	3	the	the	DT
cord-288072-42sx52tn	77	4	percentage	percentage	NN
cord-288072-42sx52tn	77	5	of	of	IN
cord-288072-42sx52tn	77	6	total	total	JJ
cord-288072-42sx52tn	77	7	specimens	specimen	NNS
cord-288072-42sx52tn	77	8	tested	test	VBN
cord-288072-42sx52tn	77	9	in	in	IN
cord-288072-42sx52tn	77	10	which	which	WDT
cord-288072-42sx52tn	77	11	the	the	DT
cord-288072-42sx52tn	77	12	rises	rise	NNS
cord-288072-42sx52tn	77	13	in	in	IN
cord-288072-42sx52tn	77	14	titer	titer	NN
cord-288072-42sx52tn	77	15	by	by	IN
cord-288072-42sx52tn	77	16	CF	CF	NNP
cord-288072-42sx52tn	77	17	and	and	CC
cord-288072-42sx52tn	77	18	HAl	HAl	NNPS
cord-288072-42sx52tn	77	19	occurred	occur	VBD
cord-288072-42sx52tn	77	20	together	together	RB
cord-288072-42sx52tn	77	21	.	.	.
cord-288072-42sx52tn	78	1	It	-PRON-	PRP
cord-288072-42sx52tn	78	2	has	have	VBZ
cord-288072-42sx52tn	78	3	been	be	VBN
cord-288072-42sx52tn	78	4	reported	report	VBN
cord-288072-42sx52tn	78	5	that	that	IN
cord-288072-42sx52tn	78	6	the	the	DT
cord-288072-42sx52tn	78	7	principal	principal	JJ
cord-288072-42sx52tn	78	8	periods	period	NNS
cord-288072-42sx52tn	78	9	of	of	IN
cord-288072-42sx52tn	78	10	transmission	transmission	NN
cord-288072-42sx52tn	78	11	of	of	IN
cord-288072-42sx52tn	78	12	coronavirus	coronavirus	NN
cord-288072-42sx52tn	78	13	are	be	VBP
cord-288072-42sx52tn	78	14	in	in	IN
cord-288072-42sx52tn	78	15	the	the	DT
cord-288072-42sx52tn	78	16	winter	winter	NN
cord-288072-42sx52tn	78	17	and	and	CC
cord-288072-42sx52tn	78	18	early	early	JJ
cord-288072-42sx52tn	78	19	spring	spring	NN
cord-288072-42sx52tn	78	20	[	[	-LRB-
cord-288072-42sx52tn	78	21	2	2	CD
cord-288072-42sx52tn	78	22	,	,	,
cord-288072-42sx52tn	78	23	3	3	CD
cord-288072-42sx52tn	78	24	]	]	-RRB-
cord-288072-42sx52tn	78	25	.	.	.
cord-288072-42sx52tn	79	1	This	this	DT
cord-288072-42sx52tn	79	2	pattern	pattern	NN
cord-288072-42sx52tn	79	3	could	could	MD
cord-288072-42sx52tn	79	4	be	be	VB
cord-288072-42sx52tn	79	5	seen	see	VBN
cord-288072-42sx52tn	79	6	when	when	WRB
cord-288072-42sx52tn	79	7	the	the	DT
cord-288072-42sx52tn	79	8	CF	CF	NNP
cord-288072-42sx52tn	79	9	and	and	CC
cord-288072-42sx52tn	79	10	HAl	hal	JJ
cord-288072-42sx52tn	79	11	curves	curve	NNS
cord-288072-42sx52tn	79	12	for	for	IN
cord-288072-42sx52tn	79	13	OC43	OC43	NNP
cord-288072-42sx52tn	79	14	were	be	VBD
cord-288072-42sx52tn	79	15	examined	examine	VBN
cord-288072-42sx52tn	79	16	.	.	.
cord-288072-42sx52tn	80	1	Frequent	frequent	JJ
cord-288072-42sx52tn	80	2	infections	infection	NNS
cord-288072-42sx52tn	80	3	were	be	VBD
cord-288072-42sx52tn	80	4	detected	detect	VBN
cord-288072-42sx52tn	80	5	by	by	IN
cord-288072-42sx52tn	80	6	CF	CF	NNP
cord-288072-42sx52tn	80	7	and	and	CC
cord-288072-42sx52tn	80	8	HAl	HAl	NNPS
cord-288072-42sx52tn	80	9	in	in	IN
cord-288072-42sx52tn	80	10	sera	sera	NNP
cord-288072-42sx52tn	80	11	collected	collect	VBN
cord-288072-42sx52tn	80	12	during	during	IN
cord-288072-42sx52tn	80	13	the	the	DT
cord-288072-42sx52tn	80	14	six-	six-	NN
cord-288072-42sx52tn	80	15	as	as	IN
cord-288072-42sx52tn	80	16	one	one	CD
cord-288072-42sx52tn	80	17	means	mean	NNS
cord-288072-42sx52tn	80	18	of	of	IN
cord-288072-42sx52tn	80	19	exploring	explore	VBG
cord-288072-42sx52tn	80	20	the	the	DT
cord-288072-42sx52tn	80	21	divergence	divergence	NN
cord-288072-42sx52tn	80	22	in	in	IN
cord-288072-42sx52tn	80	23	serologic	serologic	JJ
cord-288072-42sx52tn	80	24	results	result	NNS
cord-288072-42sx52tn	80	25	.	.	.
cord-288072-42sx52tn	81	1	Results	result	NNS
cord-288072-42sx52tn	81	2	are	be	VBP
cord-288072-42sx52tn	81	3	given	give	VBN
cord-288072-42sx52tn	81	4	in	in	IN
cord-288072-42sx52tn	81	5	table	table	NN
cord-288072-42sx52tn	81	6	1	1	CD
cord-288072-42sx52tn	81	7	.	.	.
cord-288072-42sx52tn	82	1	The	the	DT
cord-288072-42sx52tn	82	2	overall	overall	JJ
cord-288072-42sx52tn	82	3	rate	rate	NN
cord-288072-42sx52tn	82	4	of	of	IN
cord-288072-42sx52tn	82	5	infection	infection	NN
cord-288072-42sx52tn	82	6	for	for	IN
cord-288072-42sx52tn	82	7	each	each	DT
cord-288072-42sx52tn	82	8	age	age	NN
cord-288072-42sx52tn	82	9	group	group	NN
cord-288072-42sx52tn	82	10	was	be	VBD
cord-288072-42sx52tn	82	11	calculated	calculate	VBN
cord-288072-42sx52tn	82	12	by	by	IN
cord-288072-42sx52tn	82	13	determining	determine	VBG
cord-288072-42sx52tn	82	14	the	the	DT
cord-288072-42sx52tn	82	15	total	total	JJ
cord-288072-42sx52tn	82	16	number	number	NN
cord-288072-42sx52tn	82	17	of	of	IN
cord-288072-42sx52tn	82	18	individuals	individual	NNS
cord-288072-42sx52tn	82	19	who	who	WP
cord-288072-42sx52tn	82	20	showed	show	VBD
cord-288072-42sx52tn	82	21	a	a	DT
cord-288072-42sx52tn	82	22	rise	rise	NN
cord-288072-42sx52tn	82	23	in	in	IN
cord-288072-42sx52tn	82	24	antibody	antibody	NN
cord-288072-42sx52tn	82	25	titer	titer	NN
cord-288072-42sx52tn	82	26	by	by	IN
cord-288072-42sx52tn	82	27	CF	CF	NNP
cord-288072-42sx52tn	82	28	and/or	and/or	CC
cord-288072-42sx52tn	82	29	HAl	HAl	NNP
cord-288072-42sx52tn	82	30	.	.	.
cord-288072-42sx52tn	83	1	The	the	DT
cord-288072-42sx52tn	83	2	proportion	proportion	NN
cord-288072-42sx52tn	83	3	of	of	IN
cord-288072-42sx52tn	83	4	these	these	DT
cord-288072-42sx52tn	83	5	infected	infect	VBN
cord-288072-42sx52tn	83	6	individuals	individual	NNS
cord-288072-42sx52tn	83	7	who	who	WP
cord-288072-42sx52tn	83	8	had	have	VBD
cord-288072-42sx52tn	83	9	a	a	DT
cord-288072-42sx52tn	83	10	rise	rise	NN
cord-288072-42sx52tn	83	11	in	in	IN
cord-288072-42sx52tn	83	12	CF	CF	NNP
cord-288072-42sx52tn	83	13	antibody	antibody	NN
cord-288072-42sx52tn	83	14	was	be	VBD
cord-288072-42sx52tn	83	15	then	then	RB
cord-288072-42sx52tn	83	16	calculated	calculate	VBN
cord-288072-42sx52tn	83	17	as	as	IN
cord-288072-42sx52tn	83	18	was	be	VBD
cord-288072-42sx52tn	83	19	the	the	DT
cord-288072-42sx52tn	83	20	proportion	proportion	NN
cord-288072-42sx52tn	83	21	of	of	IN
cord-288072-42sx52tn	83	22	infected	infected	JJ
cord-288072-42sx52tn	83	23	individuals	individual	NNS
cord-288072-42sx52tn	83	24	with	with	IN
cord-288072-42sx52tn	83	25	a	a	DT
cord-288072-42sx52tn	83	26	rise	rise	NN
cord-288072-42sx52tn	83	27	in	in	IN
cord-288072-42sx52tn	83	28	HAl	hal	JJ
cord-288072-42sx52tn	83	29	antibody	antibody	NN
cord-288072-42sx52tn	83	30	.	.	.
cord-288072-42sx52tn	84	1	Since	since	IN
cord-288072-42sx52tn	84	2	the	the	DT
cord-288072-42sx52tn	84	3	intent	intent	NN
cord-288072-42sx52tn	84	4	was	be	VBD
cord-288072-42sx52tn	84	5	determination	determination	NN
cord-288072-42sx52tn	84	6	of	of	IN
cord-288072-42sx52tn	84	7	the	the	DT
cord-288072-42sx52tn	84	8	relative	relative	JJ
cord-288072-42sx52tn	84	9	frequency	frequency	NN
cord-288072-42sx52tn	84	10	of	of	IN
cord-288072-42sx52tn	84	11	rise	rise	NN
cord-288072-42sx52tn	84	12	in	in	IN
cord-288072-42sx52tn	84	13	titer	titer	NN
cord-288072-42sx52tn	84	14	detected	detect	VBN
cord-288072-42sx52tn	84	15	by	by	IN
cord-288072-42sx52tn	84	16	each	each	DT
cord-288072-42sx52tn	84	17	test	test	NN
cord-288072-42sx52tn	84	18	,	,	,
cord-288072-42sx52tn	84	19	persons	person	NNS
cord-288072-42sx52tn	84	20	with	with	IN
cord-288072-42sx52tn	84	21	increases	increase	NNS
cord-288072-42sx52tn	84	22	in	in	IN
cord-288072-42sx52tn	84	23	both	both	CC
cord-288072-42sx52tn	84	24	CF	CF	NNP
cord-288072-42sx52tn	84	25	and	and	CC
cord-288072-42sx52tn	84	26	HAl	hal	JJ
cord-288072-42sx52tn	84	27	titer	titer	NN
cord-288072-42sx52tn	84	28	were	be	VBD
cord-288072-42sx52tn	84	29	counted	count	VBN
cord-288072-42sx52tn	84	30	in	in	IN
cord-288072-42sx52tn	84	31	both	both	DT
cord-288072-42sx52tn	84	32	categories	category	NNS
cord-288072-42sx52tn	84	33	.	.	.
cord-288072-42sx52tn	85	1	As	as	IN
cord-288072-42sx52tn	85	2	shown	show	VBN
cord-288072-42sx52tn	85	3	in	in	IN
cord-288072-42sx52tn	85	4	table	table	NN
cord-288072-42sx52tn	85	5	1	1	CD
cord-288072-42sx52tn	85	6	,	,	,
cord-288072-42sx52tn	85	7	age	age	NN
cord-288072-42sx52tn	85	8	did	do	VBD
cord-288072-42sx52tn	85	9	not	not	RB
cord-288072-42sx52tn	85	10	appear	appear	VB
cord-288072-42sx52tn	85	11	to	to	TO
cord-288072-42sx52tn	85	12	be	be	VB
cord-288072-42sx52tn	85	13	a	a	DT
cord-288072-42sx52tn	85	14	factor	factor	NN
cord-288072-42sx52tn	85	15	in	in	IN
cord-288072-42sx52tn	85	16	determining	determine	VBG
cord-288072-42sx52tn	85	17	the	the	DT
cord-288072-42sx52tn	85	18	type	type	NN
cord-288072-42sx52tn	85	19	of	of	IN
cord-288072-42sx52tn	85	20	response	response	NN
cord-288072-42sx52tn	85	21	.	.	.
cord-288072-42sx52tn	86	1	At	at	IN
cord-288072-42sx52tn	86	2	all	all	DT
cord-288072-42sx52tn	86	3	ages	age	NNS
cord-288072-42sx52tn	86	4	below	below	IN
cord-288072-42sx52tn	86	5	40	40	CD
cord-288072-42sx52tn	86	6	years	year	NNS
cord-288072-42sx52tn	86	7	,	,	,
cord-288072-42sx52tn	86	8	rises	rise	VBZ
cord-288072-42sx52tn	86	9	in	in	IN
cord-288072-42sx52tn	86	10	titer	titer	NN
cord-288072-42sx52tn	86	11	were	be	VBD
cord-288072-42sx52tn	86	12	more	more	RBR
cord-288072-42sx52tn	86	13	frequently	frequently	RB
cord-288072-42sx52tn	86	14	detected	detect	VBN
cord-288072-42sx52tn	86	15	by	by	IN
cord-288072-42sx52tn	86	16	HAl	HAl	NNS
cord-288072-42sx52tn	86	17	than	than	IN
cord-288072-42sx52tn	86	18	by	by	IN
cord-288072-42sx52tn	86	19	CF	CF	NNP
cord-288072-42sx52tn	86	20	,	,	,
cord-288072-42sx52tn	86	21	but	but	CC
cord-288072-42sx52tn	86	22	the	the	DT
cord-288072-42sx52tn	86	23	difference	difference	NN
cord-288072-42sx52tn	86	24	was	be	VBD
cord-288072-42sx52tn	86	25	often	often	RB
cord-288072-42sx52tn	86	26	not	not	RB
cord-288072-42sx52tn	86	27	great	great	JJ
cord-288072-42sx52tn	86	28	.	.	.
cord-288072-42sx52tn	87	1	Only	only	RB
cord-288072-42sx52tn	87	2	among	among	IN
cord-288072-42sx52tn	87	3	individuals	individual	NNS
cord-288072-42sx52tn	87	4	40	40	CD
cord-288072-42sx52tn	87	5	years	year	NNS
cord-288072-42sx52tn	87	6	and	and	CC
cord-288072-42sx52tn	87	7	older	old	JJR
cord-288072-42sx52tn	87	8	was	be	VBD
cord-288072-42sx52tn	87	9	this	this	DT
cord-288072-42sx52tn	87	10	pattern	pattern	NN
cord-288072-42sx52tn	87	11	reversed	reverse	VBN
cord-288072-42sx52tn	87	12	slightly	slightly	RB
cord-288072-42sx52tn	87	13	.	.	.
cord-288072-42sx52tn	88	1	The	the	DT
cord-288072-42sx52tn	88	2	total	total	JJ
cord-288072-42sx52tn	88	3	rates	rate	NNS
cord-288072-42sx52tn	88	4	of	of	IN
cord-288072-42sx52tn	88	5	infection	infection	NN
cord-288072-42sx52tn	88	6	(	(	-LRB-
cord-288072-42sx52tn	88	7	table	table	NN
cord-288072-42sx52tn	88	8	1	1	CD
cord-288072-42sx52tn	88	9	)	)	-RRB-
cord-288072-42sx52tn	88	10	fell	fall	VBD
cord-288072-42sx52tn	88	11	gradually	gradually	RB
cord-288072-42sx52tn	88	12	as	as	IN
cord-288072-42sx52tn	88	13	age	age	NN
cord-288072-42sx52tn	88	14	increased	increase	VBD
cord-288072-42sx52tn	88	15	,	,	,
cord-288072-42sx52tn	88	16	but	but	CC
cord-288072-42sx52tn	88	17	not	not	RB
cord-288072-42sx52tn	88	18	as	as	RB
cord-288072-42sx52tn	88	19	precipitously	precipitously	RB
cord-288072-42sx52tn	88	20	as	as	IN
cord-288072-42sx52tn	88	21	with	with	IN
cord-288072-42sx52tn	88	22	other	other	JJ
cord-288072-42sx52tn	88	23	respiratory	respiratory	JJ
cord-288072-42sx52tn	88	24	pathogens	pathogen	NNS
cord-288072-42sx52tn	88	25	'	'	''
cord-288072-42sx52tn	88	26	[	[	-LRB-
cord-288072-42sx52tn	88	27	10	10	CD
cord-288072-42sx52tn	88	28	,	,	,
cord-288072-42sx52tn	88	29	13	13	CD
cord-288072-42sx52tn	88	30	]	]	-RRB-
cord-288072-42sx52tn	88	31	.	.	.
cord-288072-42sx52tn	89	1	A	a	DT
cord-288072-42sx52tn	89	2	high	high	JJ
cord-288072-42sx52tn	89	3	annual	annual	JJ
cord-288072-42sx52tn	89	4	rate	rate	NN
cord-288072-42sx52tn	89	5	of	of	IN
cord-288072-42sx52tn	89	6	infection	infection	NN
cord-288072-42sx52tn	89	7	was	be	VBD
cord-288072-42sx52tn	89	8	observed	observe	VBN
cord-288072-42sx52tn	89	9	among	among	IN
cord-288072-42sx52tn	89	10	all	all	DT
cord-288072-42sx52tn	89	11	adults	adult	NNS
cord-288072-42sx52tn	89	12	studied	study	VBD
cord-288072-42sx52tn	89	13	.	.	.
cord-288072-42sx52tn	90	1	Study	study	NN
cord-288072-42sx52tn	90	2	of	of	IN
cord-288072-42sx52tn	90	3	specificity	specificity	NN
cord-288072-42sx52tn	90	4	of	of	IN
cord-288072-42sx52tn	90	5	antibody	antibody	NN
cord-288072-42sx52tn	90	6	response	response	NN
cord-288072-42sx52tn	90	7	.	.	.
cord-288072-42sx52tn	91	1	Agreement	agreement	NN
cord-288072-42sx52tn	91	2	between	between	IN
cord-288072-42sx52tn	91	3	the	the	DT
cord-288072-42sx52tn	91	4	HAl	hal	JJ
cord-288072-42sx52tn	91	5	and	and	CC
cord-288072-42sx52tn	91	6	CF	CF	NNP
cord-288072-42sx52tn	91	7	tests	test	NNS
cord-288072-42sx52tn	91	8	was	be	VBD
cord-288072-42sx52tn	91	9	better	well	JJR
cord-288072-42sx52tn	91	10	in	in	IN
cord-288072-42sx52tn	91	11	the	the	DT
cord-288072-42sx52tn	91	12	first	first	JJ
cord-288072-42sx52tn	91	13	part	part	NN
cord-288072-42sx52tn	91	14	of	of	IN
cord-288072-42sx52tn	91	15	1966	1966	CD
cord-288072-42sx52tn	91	16	and	and	CC
cord-288072-42sx52tn	91	17	in	in	IN
cord-288072-42sx52tn	91	18	early	early	JJ
cord-288072-42sx52tn	91	19	1969	1969	CD
cord-288072-42sx52tn	91	20	than	than	IN
cord-288072-42sx52tn	91	21	at	at	IN
cord-288072-42sx52tn	91	22	other	other	JJ
cord-288072-42sx52tn	91	23	times	time	NNS
cord-288072-42sx52tn	91	24	,	,	,
cord-288072-42sx52tn	91	25	including	include	VBG
cord-288072-42sx52tn	91	26	the	the	DT
cord-288072-42sx52tn	91	27	peak	peak	NN
cord-288072-42sx52tn	91	28	of	of	IN
cord-288072-42sx52tn	91	29	infections	infection	NNS
cord-288072-42sx52tn	91	30	in	in	IN
cord-288072-42sx52tn	91	31	1968	1968	CD
cord-288072-42sx52tn	91	32	.	.	.
cord-288072-42sx52tn	92	1	It	-PRON-	PRP
cord-288072-42sx52tn	92	2	seemed	seem	VBD
cord-288072-42sx52tn	92	3	possible	possible	JJ
cord-288072-42sx52tn	92	4	that	that	IN
cord-288072-42sx52tn	92	5	agents	agent	NNS
cord-288072-42sx52tn	92	6	similar	similar	JJ
cord-288072-42sx52tn	92	7	to	to	IN
cord-288072-42sx52tn	92	8	OC43	OC43	NNP
cord-288072-42sx52tn	92	9	might	may	MD
cord-288072-42sx52tn	92	10	have	have	VB
cord-288072-42sx52tn	92	11	been	be	VBN
cord-288072-42sx52tn	92	12	responsible	responsible	JJ
cord-288072-42sx52tn	92	13	for	for	IN
cord-288072-42sx52tn	92	14	the	the	DT
cord-288072-42sx52tn	92	15	1966	1966	CD
cord-288072-42sx52tn	92	16	and	and	CC
cord-288072-42sx52tn	92	17	1969	1969	CD
cord-288072-42sx52tn	92	18	outbreaks	outbreak	NNS
cord-288072-42sx52tn	92	19	and	and	CC
cord-288072-42sx52tn	92	20	more	more	RBR
cord-288072-42sx52tn	92	21	distantly	distantly	RB
cord-288072-42sx52tn	92	22	related	related	JJ
cord-288072-42sx52tn	92	23	agents	agent	NNS
cord-288072-42sx52tn	92	24	for	for	IN
cord-288072-42sx52tn	92	25	activity	activity	NN
cord-288072-42sx52tn	92	26	at	at	IN
cord-288072-42sx52tn	92	27	other	other	JJ
cord-288072-42sx52tn	92	28	times	time	NNS
cord-288072-42sx52tn	92	29	.	.	.
cord-288072-42sx52tn	93	1	Such	such	PDT
cord-288072-42sx52tn	93	2	a	a	DT
cord-288072-42sx52tn	93	3	hypothesis	hypothesis	NN
cord-288072-42sx52tn	93	4	could	could	MD
cord-288072-42sx52tn	93	5	be	be	VB
cord-288072-42sx52tn	93	6	tested	test	VBN
cord-288072-42sx52tn	93	7	by	by	IN
cord-288072-42sx52tn	93	8	evaluation	evaluation	NN
cord-288072-42sx52tn	93	9	of	of	IN
cord-288072-42sx52tn	93	10	the	the	DT
cord-288072-42sx52tn	93	11	specificity	specificity	NN
cord-288072-42sx52tn	93	12	of	of	IN
cord-288072-42sx52tn	93	13	observed	observed	JJ
cord-288072-42sx52tn	93	14	rises	rise	NNS
cord-288072-42sx52tn	93	15	in	in	IN
cord-288072-42sx52tn	93	16	titer	titer	NN
cord-288072-42sx52tn	93	17	through	through	IN
cord-288072-42sx52tn	93	18	use	use	NN
cord-288072-42sx52tn	93	19	of	of	IN
cord-288072-42sx52tn	93	20	the	the	DT
cord-288072-42sx52tn	93	21	recently	recently	RB
cord-288072-42sx52tn	93	22	described	describe	VBN
cord-288072-42sx52tn	93	23	neutralization	neutralization	NN
cord-288072-42sx52tn	93	24	test	test	NN
cord-288072-42sx52tn	93	25	[	[	-LRB-
cord-288072-42sx52tn	93	26	9	9	CD
cord-288072-42sx52tn	93	27	]	]	-RRB-
cord-288072-42sx52tn	93	28	.	.	.
cord-288072-42sx52tn	94	1	Approximately	approximately	RB
cord-288072-42sx52tn	94	2	Thereafter	Thereafter	NNP
cord-288072-42sx52tn	94	3	the	the	DT
cord-288072-42sx52tn	94	4	rates	rate	NNS
cord-288072-42sx52tn	94	5	dropped	drop	VBD
cord-288072-42sx52tn	94	6	,	,	,
cord-288072-42sx52tn	94	7	showed	show	VBD
cord-288072-42sx52tn	94	8	a	a	DT
cord-288072-42sx52tn	94	9	suggestion	suggestion	NN
cord-288072-42sx52tn	94	10	of	of	IN
cord-288072-42sx52tn	94	11	an	an	DT
cord-288072-42sx52tn	94	12	increase	increase	NN
cord-288072-42sx52tn	94	13	in	in	IN
cord-288072-42sx52tn	94	14	March	March	NNP
cord-288072-42sx52tn	94	15	-	-	HYPH
cord-288072-42sx52tn	94	16	April	April	NNP
cord-288072-42sx52tn	94	17	1967	1967	CD
cord-288072-42sx52tn	94	18	,	,	,
cord-288072-42sx52tn	94	19	the	the	DT
cord-288072-42sx52tn	94	20	period	period	NN
cord-288072-42sx52tn	94	21	of	of	IN
cord-288072-42sx52tn	94	22	the	the	DT
cord-288072-42sx52tn	94	23	229E	229e	CD
cord-288072-42sx52tn	94	24	outbreak	outbreak	NN
cord-288072-42sx52tn	94	25	[	[	-LRB-
cord-288072-42sx52tn	94	26	11	11	CD
cord-288072-42sx52tn	94	27	]	]	-RRB-
cord-288072-42sx52tn	94	28	,	,	,
cord-288072-42sx52tn	94	29	and	and	CC
cord-288072-42sx52tn	94	30	then	then	RB
cord-288072-42sx52tn	94	31	remained	remain	VBD
cord-288072-42sx52tn	94	32	low	low	JJ
cord-288072-42sx52tn	94	33	until	until	IN
cord-288072-42sx52tn	94	34	March	March	NNP
cord-288072-42sx52tn	94	35	-	-	HYPH
cord-288072-42sx52tn	94	36	April	April	NNP
cord-288072-42sx52tn	94	37	1968	1968	CD
cord-288072-42sx52tn	94	38	.	.	.
cord-288072-42sx52tn	95	1	This	this	DT
cord-288072-42sx52tn	95	2	peak	peak	NN
cord-288072-42sx52tn	95	3	of	of	IN
cord-288072-42sx52tn	95	4	infection	infection	NN
cord-288072-42sx52tn	95	5	was	be	VBD
cord-288072-42sx52tn	95	6	detected	detect	VBN
cord-288072-42sx52tn	95	7	by	by	IN
cord-288072-42sx52tn	95	8	both	both	DT
cord-288072-42sx52tn	95	9	serologic	serologic	JJ
cord-288072-42sx52tn	95	10	tests	test	NNS
cord-288072-42sx52tn	95	11	with	with	IN
cord-288072-42sx52tn	95	12	the	the	DT
cord-288072-42sx52tn	95	13	rate	rate	NN
cord-288072-42sx52tn	95	14	by	by	IN
cord-288072-42sx52tn	95	15	CF	CF	NNP
cord-288072-42sx52tn	95	16	twice	twice	PDT
cord-288072-42sx52tn	95	17	that	that	DT
cord-288072-42sx52tn	95	18	by	by	IN
cord-288072-42sx52tn	95	19	HAl	HAl	NNS
cord-288072-42sx52tn	95	20	.	.	.
cord-288072-42sx52tn	96	1	After	after	IN
cord-288072-42sx52tn	96	2	this	this	DT
cord-288072-42sx52tn	96	3	point	point	NN
cord-288072-42sx52tn	96	4	the	the	DT
cord-288072-42sx52tn	96	5	rates	rate	NNS
cord-288072-42sx52tn	96	6	dropped	drop	VBD
cord-288072-42sx52tn	96	7	only	only	RB
cord-288072-42sx52tn	96	8	to	to	TO
cord-288072-42sx52tn	96	9	peak	peak	VB
cord-288072-42sx52tn	96	10	in	in	IN
cord-288072-42sx52tn	96	11	1969	1969	CD
cord-288072-42sx52tn	96	12	,	,	,
cord-288072-42sx52tn	96	13	again	again	RB
cord-288072-42sx52tn	96	14	in	in	IN
cord-288072-42sx52tn	96	15	March	March	NNP
cord-288072-42sx52tn	96	16	-	-	HYPH
cord-288072-42sx52tn	96	17	April	April	NNP
cord-288072-42sx52tn	96	18	.	.	.
cord-288072-42sx52tn	97	1	During	during	IN
cord-288072-42sx52tn	97	2	this	this	DT
cord-288072-42sx52tn	97	3	outbreak	outbreak	NN
cord-288072-42sx52tn	97	4	rates	rate	NNS
cord-288072-42sx52tn	97	5	of	of	IN
cord-288072-42sx52tn	97	6	incidence	incidence	NN
cord-288072-42sx52tn	97	7	were	be	VBD
cord-288072-42sx52tn	97	8	very	very	RB
cord-288072-42sx52tn	97	9	high	high	JJ
cord-288072-42sx52tn	97	10	,	,	,
cord-288072-42sx52tn	97	11	with	with	IN
cord-288072-42sx52tn	97	12	considerably	considerably	RB
cord-288072-42sx52tn	97	13	more	more	JJR
cord-288072-42sx52tn	97	14	infections	infection	NNS
cord-288072-42sx52tn	97	15	detected	detect	VBN
cord-288072-42sx52tn	97	16	by	by	IN
cord-288072-42sx52tn	97	17	HAl	HAl	NNS
cord-288072-42sx52tn	97	18	than	than	IN
cord-288072-42sx52tn	97	19	by	by	IN
cord-288072-42sx52tn	97	20	CF	CF	NNP
cord-288072-42sx52tn	97	21	.	.	.
cord-288072-42sx52tn	98	1	During	during	IN
cord-288072-42sx52tn	98	2	the	the	DT
cord-288072-42sx52tn	98	3	four	four	CD
cord-288072-42sx52tn	98	4	years	year	NNS
cord-288072-42sx52tn	98	5	studied	study	VBN
cord-288072-42sx52tn	98	6	,	,	,
cord-288072-42sx52tn	98	7	156	156	CD
cord-288072-42sx52tn	98	8	paired	pair	VBN
cord-288072-42sx52tn	98	9	specimens	specimen	NNS
cord-288072-42sx52tn	98	10	showed	show	VBD
cord-288072-42sx52tn	98	11	a	a	DT
cord-288072-42sx52tn	98	12	rise	rise	NN
cord-288072-42sx52tn	98	13	in	in	IN
cord-288072-42sx52tn	98	14	titer	titer	NN
cord-288072-42sx52tn	98	15	by	by	IN
cord-288072-42sx52tn	98	16	CF	CF	NNP
cord-288072-42sx52tn	98	17	and/or	and/or	CC
cord-288072-42sx52tn	98	18	HAl	HAl	NNP
cord-288072-42sx52tn	98	19	;	;	:
cord-288072-42sx52tn	98	20	of	of	IN
cord-288072-42sx52tn	98	21	these	these	DT
cord-288072-42sx52tn	98	22	,	,	,
cord-288072-42sx52tn	98	23	only	only	RB
cord-288072-42sx52tn	98	24	37	37	CD
cord-288072-42sx52tn	98	25	(	(	-LRB-
cord-288072-42sx52tn	98	26	23.7	23.7	CD
cord-288072-42sx52tn	98	27	%	%	NN
cord-288072-42sx52tn	98	28	)	)	-RRB-
cord-288072-42sx52tn	98	29	had	have	VBD
cord-288072-42sx52tn	98	30	a	a	DT
cord-288072-42sx52tn	98	31	rise	rise	NN
cord-288072-42sx52tn	98	32	in	in	IN
cord-288072-42sx52tn	98	33	titer	titer	NN
cord-288072-42sx52tn	98	34	by	by	IN
cord-288072-42sx52tn	98	35	both	both	DT
cord-288072-42sx52tn	98	36	techniques	technique	NNS
cord-288072-42sx52tn	98	37	.	.	.
cord-288072-42sx52tn	99	1	This	this	DT
cord-288072-42sx52tn	99	2	divergence	divergence	NN
cord-288072-42sx52tn	99	3	in	in	IN
cord-288072-42sx52tn	99	4	serologic	serologic	JJ
cord-288072-42sx52tn	99	5	results	result	NNS
cord-288072-42sx52tn	99	6	,	,	,
cord-288072-42sx52tn	99	7	which	which	WDT
cord-288072-42sx52tn	99	8	has	have	VBZ
cord-288072-42sx52tn	99	9	been	be	VBN
cord-288072-42sx52tn	99	10	noted	note	VBN
cord-288072-42sx52tn	99	11	in	in	IN
cord-288072-42sx52tn	99	12	previous	previous	JJ
cord-288072-42sx52tn	99	13	studies	study	NNS
cord-288072-42sx52tn	99	14	of	of	IN
cord-288072-42sx52tn	99	15	OC43	OC43	NNP
cord-288072-42sx52tn	99	16	virus	virus	NN
cord-288072-42sx52tn	99	17	[	[	-LRB-
cord-288072-42sx52tn	99	18	4	4	CD
cord-288072-42sx52tn	99	19	]	]	-RRB-
cord-288072-42sx52tn	99	20	,	,	,
cord-288072-42sx52tn	99	21	was	be	VBD
cord-288072-42sx52tn	99	22	not	not	RB
cord-288072-42sx52tn	99	23	uniformly	uniformly	RB
cord-288072-42sx52tn	99	24	spread	spread	VBN
cord-288072-42sx52tn	99	25	over	over	IN
cord-288072-42sx52tn	99	26	the	the	DT
cord-288072-42sx52tn	99	27	full	full	JJ
cord-288072-42sx52tn	99	28	period	period	NN
cord-288072-42sx52tn	99	29	.	.	.
cord-288072-42sx52tn	100	1	As	as	IN
cord-288072-42sx52tn	100	2	shown	show	VBN
cord-288072-42sx52tn	100	3	by	by	IN
cord-288072-42sx52tn	100	4	the	the	DT
cord-288072-42sx52tn	100	5	relative	relative	JJ
cord-288072-42sx52tn	100	6	height	height	NN
cord-288072-42sx52tn	100	7	of	of	IN
cord-288072-42sx52tn	100	8	the	the	DT
cord-288072-42sx52tn	100	9	bars	bar	NNS
cord-288072-42sx52tn	100	10	in	in	IN
cord-288072-42sx52tn	100	11	figure	figure	NN
cord-288072-42sx52tn	100	12	1	1	CD
cord-288072-42sx52tn	100	13	,	,	,
cord-288072-42sx52tn	100	14	agreement	agreement	NN
cord-288072-42sx52tn	100	15	between	between	IN
cord-288072-42sx52tn	100	16	the	the	DT
cord-288072-42sx52tn	100	17	two	two	CD
cord-288072-42sx52tn	100	18	serologic	serologic	NNP
cord-288072-42sx52tn	100	19	tests	test	NNS
cord-288072-42sx52tn	100	20	was	be	VBD
cord-288072-42sx52tn	100	21	an	an	DT
cord-288072-42sx52tn	100	22	infrequent	infrequent	JJ
cord-288072-42sx52tn	100	23	occurrence	occurrence	NN
cord-288072-42sx52tn	100	24	except	except	IN
cord-288072-42sx52tn	100	25	in	in	IN
cord-288072-42sx52tn	100	26	May	May	NNP
cord-288072-42sx52tn	100	27	-	-	HYPH
cord-288072-42sx52tn	100	28	June	June	NNP
cord-288072-42sx52tn	100	29	1966	1966	CD
cord-288072-42sx52tn	100	30	and	and	CC
cord-288072-42sx52tn	100	31	again	again	RB
cord-288072-42sx52tn	100	32	in	in	IN
cord-288072-42sx52tn	100	33	1969	1969	CD
cord-288072-42sx52tn	100	34	.	.	.
cord-288072-42sx52tn	101	1	During	during	IN
cord-288072-42sx52tn	101	2	these	these	DT
cord-288072-42sx52tn	101	3	periods	period	NNS
cord-288072-42sx52tn	101	4	the	the	DT
cord-288072-42sx52tn	101	5	percentage	percentage	NN
cord-288072-42sx52tn	101	6	of	of	IN
cord-288072-42sx52tn	101	7	positive	positive	JJ
cord-288072-42sx52tn	101	8	paired	pair	VBN
cord-288072-42sx52tn	101	9	specimens	specimen	NNS
cord-288072-42sx52tn	101	10	in	in	IN
cord-288072-42sx52tn	101	11	which	which	WDT
cord-288072-42sx52tn	101	12	the	the	DT
cord-288072-42sx52tn	101	13	rises	rise	NNS
cord-288072-42sx52tn	101	14	occurred	occur	VBD
cord-288072-42sx52tn	101	15	together	together	RB
cord-288072-42sx52tn	101	16	was	be	VBD
cord-288072-42sx52tn	101	17	39.2	39.2	CD
cord-288072-42sx52tn	101	18	%	%	NN
cord-288072-42sx52tn	101	19	,	,	,
cord-288072-42sx52tn	101	20	but	but	CC
cord-288072-42sx52tn	101	21	in	in	IN
cord-288072-42sx52tn	101	22	the	the	DT
cord-288072-42sx52tn	101	23	rest	rest	NN
cord-288072-42sx52tn	101	24	of	of	IN
cord-288072-42sx52tn	101	25	the	the	DT
cord-288072-42sx52tn	101	26	four	four	CD
cord-288072-42sx52tn	101	27	years	year	NNS
cord-288072-42sx52tn	101	28	it	-PRON-	PRP
cord-288072-42sx52tn	101	29	was	be	VBD
cord-288072-42sx52tn	101	30	9.8	9.8	CD
cord-288072-42sx52tn	101	31	%	%	NN
cord-288072-42sx52tn	101	32	.	.	.
cord-288072-42sx52tn	102	1	Even	even	RB
cord-288072-42sx52tn	102	2	during	during	IN
cord-288072-42sx52tn	102	3	March	March	NNP
cord-288072-42sx52tn	102	4	-	-	HYPH
cord-288072-42sx52tn	102	5	April	April	NNP
cord-288072-42sx52tn	102	6	1968	1968	CD
cord-288072-42sx52tn	102	7	,	,	,
cord-288072-42sx52tn	102	8	when	when	WRB
cord-288072-42sx52tn	102	9	a	a	DT
cord-288072-42sx52tn	102	10	peak	peak	NN
cord-288072-42sx52tn	102	11	of	of	IN
cord-288072-42sx52tn	102	12	infections	infection	NNS
cord-288072-42sx52tn	102	13	occurred	occur	VBD
cord-288072-42sx52tn	102	14	,	,	,
cord-288072-42sx52tn	102	15	there	there	EX
cord-288072-42sx52tn	102	16	was	be	VBD
cord-288072-42sx52tn	102	17	still	still	RB
cord-288072-42sx52tn	102	18	little	little	JJ
cord-288072-42sx52tn	102	19	correlation	correlation	NN
cord-288072-42sx52tn	102	20	between	between	IN
cord-288072-42sx52tn	102	21	the	the	DT
cord-288072-42sx52tn	102	22	two	two	CD
cord-288072-42sx52tn	102	23	tests	test	NNS
cord-288072-42sx52tn	102	24	.	.	.
cord-288072-42sx52tn	103	1	Age	age	NN
cord-288072-42sx52tn	103	2	-	-	HYPH
cord-288072-42sx52tn	103	3	specific	specific	JJ
cord-288072-42sx52tn	103	4	occurrence	occurrence	NN
cord-288072-42sx52tn	103	5	of	of	IN
cord-288072-42sx52tn	103	6	infection	infection	NN
cord-288072-42sx52tn	103	7	.	.	.
cord-288072-42sx52tn	104	1	Results	result	NNS
cord-288072-42sx52tn	104	2	of	of	IN
cord-288072-42sx52tn	104	3	past	past	JJ
cord-288072-42sx52tn	104	4	investigations	investigation	NNS
cord-288072-42sx52tn	104	5	have	have	VBP
cord-288072-42sx52tn	104	6	suggested	suggest	VBN
cord-288072-42sx52tn	104	7	that	that	IN
cord-288072-42sx52tn	104	8	age	age	NN
cord-288072-42sx52tn	104	9	may	may	MD
cord-288072-42sx52tn	104	10	be	be	VB
cord-288072-42sx52tn	104	11	a	a	DT
cord-288072-42sx52tn	104	12	factor	factor	NN
cord-288072-42sx52tn	104	13	in	in	IN
cord-288072-42sx52tn	104	14	producing	produce	VBG
cord-288072-42sx52tn	104	15	differences	difference	NNS
cord-288072-42sx52tn	104	16	in	in	IN
cord-288072-42sx52tn	104	17	sensitivity	sensitivity	NN
cord-288072-42sx52tn	104	18	of	of	IN
cord-288072-42sx52tn	104	19	the	the	DT
cord-288072-42sx52tn	104	20	CF	cf	NN
cord-288072-42sx52tn	104	21	and	and	CC
cord-288072-42sx52tn	104	22	HAl	hal	JJ
cord-288072-42sx52tn	104	23	tests	test	NNS
cord-288072-42sx52tn	104	24	;	;	:
cord-288072-42sx52tn	104	25	CF	CF	NNP
cord-288072-42sx52tn	104	26	was	be	VBD
cord-288072-42sx52tn	104	27	found	find	VBN
cord-288072-42sx52tn	104	28	to	to	TO
cord-288072-42sx52tn	104	29	be	be	VB
cord-288072-42sx52tn	104	30	most	most	RBS
cord-288072-42sx52tn	104	31	sensitive	sensitive	JJ
cord-288072-42sx52tn	104	32	when	when	WRB
cord-288072-42sx52tn	104	33	the	the	DT
cord-288072-42sx52tn	104	34	population	population	NN
cord-288072-42sx52tn	104	35	studied	study	VBD
cord-288072-42sx52tn	104	36	was	be	VBD
cord-288072-42sx52tn	104	37	composed	compose	VBN
cord-288072-42sx52tn	104	38	of	of	IN
cord-288072-42sx52tn	104	39	adults	adult	NNS
cord-288072-42sx52tn	104	40	[	[	-LRB-
cord-288072-42sx52tn	104	41	9	9	CD
cord-288072-42sx52tn	104	42	]	]	-RRB-
cord-288072-42sx52tn	104	43	,	,	,
cord-288072-42sx52tn	104	44	and	and	CC
cord-288072-42sx52tn	104	45	HAl	HAl	NNPS
cord-288072-42sx52tn	104	46	was	be	VBD
cord-288072-42sx52tn	104	47	most	most	RBS
cord-288072-42sx52tn	104	48	sensitive	sensitive	JJ
cord-288072-42sx52tn	104	49	when	when	WRB
cord-288072-42sx52tn	104	50	the	the	DT
cord-288072-42sx52tn	104	51	population	population	NN
cord-288072-42sx52tn	104	52	was	be	VBD
cord-288072-42sx52tn	104	53	made	make	VBN
cord-288072-42sx52tn	104	54	up	up	RP
cord-288072-42sx52tn	104	55	exclusively	exclusively	RB
cord-288072-42sx52tn	104	56	of	of	IN
cord-288072-42sx52tn	104	57	children	child	NNS
cord-288072-42sx52tn	104	58	[	[	-LRB-
cord-288072-42sx52tn	104	59	4	4	CD
cord-288072-42sx52tn	104	60	]	]	-RRB-
cord-288072-42sx52tn	104	61	.	.	.
cord-288072-42sx52tn	105	1	The	the	DT
cord-288072-42sx52tn	105	2	ages	age	NNS
cord-288072-42sx52tn	105	3	of	of	IN
cord-288072-42sx52tn	105	4	individuals	individual	NNS
cord-288072-42sx52tn	105	5	who	who	WP
cord-288072-42sx52tn	105	6	exhibited	exhibit	VBD
cord-288072-42sx52tn	105	7	the	the	DT
cord-288072-42sx52tn	105	8	rises	rise	NNS
cord-288072-42sx52tn	105	9	in	in	IN
cord-288072-42sx52tn	105	10	titer	titer	NN
cord-288072-42sx52tn	105	11	were	be	VBD
cord-288072-42sx52tn	105	12	therefore	therefore	RB
cord-288072-42sx52tn	105	13	examined	examine	VBN
cord-288072-42sx52tn	105	14	,	,	,
cord-288072-42sx52tn	105	15	showed	show	VBD
cord-288072-42sx52tn	105	16	rises	rise	NNS
cord-288072-42sx52tn	105	17	in	in	IN
cord-288072-42sx52tn	105	18	antibody	antibody	NN
cord-288072-42sx52tn	105	19	by	by	IN
cord-288072-42sx52tn	105	20	CF	CF	NNP
cord-288072-42sx52tn	105	21	and	and	CC
cord-288072-42sx52tn	105	22	HAl	HAl	NNPS
cord-288072-42sx52tn	105	23	were	be	VBD
cord-288072-42sx52tn	105	24	tested	test	VBN
cord-288072-42sx52tn	105	25	by	by	IN
cord-288072-42sx52tn	105	26	neutralization	neutralization	NN
cord-288072-42sx52tn	105	27	.	.	.
cord-288072-42sx52tn	106	1	They	-PRON-	PRP
cord-288072-42sx52tn	106	2	were	be	VBD
cord-288072-42sx52tn	106	3	selected	select	VBN
cord-288072-42sx52tn	106	4	randomly	randomly	RB
cord-288072-42sx52tn	106	5	from	from	IN
cord-288072-42sx52tn	106	6	within	within	IN
cord-288072-42sx52tn	106	7	individual	individual	JJ
cord-288072-42sx52tn	106	8	respiratory	respiratory	JJ
cord-288072-42sx52tn	106	9	years	year	NNS
cord-288072-42sx52tn	106	10	so	so	IN
cord-288072-42sx52tn	106	11	that	that	IN
cord-288072-42sx52tn	106	12	all	all	DT
cord-288072-42sx52tn	106	13	periods	period	NNS
cord-288072-42sx52tn	106	14	would	would	MD
cord-288072-42sx52tn	106	15	be	be	VB
cord-288072-42sx52tn	106	16	represented	represent	VBN
cord-288072-42sx52tn	106	17	;	;	:
cord-288072-42sx52tn	106	18	the	the	DT
cord-288072-42sx52tn	106	19	respiratory	respiratory	JJ
cord-288072-42sx52tn	106	20	year	year	NN
cord-288072-42sx52tn	106	21	has	have	VBZ
cord-288072-42sx52tn	106	22	been	be	VBN
cord-288072-42sx52tn	106	23	defined	define	VBN
cord-288072-42sx52tn	106	24	as	as	IN
cord-288072-42sx52tn	106	25	extending	extend	VBG
cord-288072-42sx52tn	106	26	from	from	IN
cord-288072-42sx52tn	106	27	September	September	NNP
cord-288072-42sx52tn	106	28	to	to	IN
cord-288072-42sx52tn	106	29	the	the	DT
cord-288072-42sx52tn	106	30	following	follow	VBG
cord-288072-42sx52tn	106	31	August	August	NNP
cord-288072-42sx52tn	106	32	and	and	CC
cord-288072-42sx52tn	106	33	is	be	VBZ
cord-288072-42sx52tn	106	34	identified	identify	VBN
cord-288072-42sx52tn	106	35	by	by	IN
cord-288072-42sx52tn	106	36	the	the	DT
cord-288072-42sx52tn	106	37	date	date	NN
cord-288072-42sx52tn	106	38	in	in	IN
cord-288072-42sx52tn	106	39	which	which	WDT
cord-288072-42sx52tn	106	40	most	most	JJS
cord-288072-42sx52tn	106	41	of	of	IN
cord-288072-42sx52tn	106	42	the	the	DT
cord-288072-42sx52tn	106	43	year	year	NN
cord-288072-42sx52tn	106	44	fell	fall	VBD
cord-288072-42sx52tn	106	45	.	.	.
cord-288072-42sx52tn	107	1	Results	result	NNS
cord-288072-42sx52tn	107	2	are	be	VBP
cord-288072-42sx52tn	107	3	given	give	VBN
cord-288072-42sx52tn	107	4	in	in	IN
cord-288072-42sx52tn	107	5	table	table	NN
cord-288072-42sx52tn	107	6	2	2	CD
cord-288072-42sx52tn	107	7	.	.	.
cord-288072-42sx52tn	108	1	Period	period	NN
cord-288072-42sx52tn	108	2	of	of	IN
cord-288072-42sx52tn	108	3	collection	collection	NN
cord-288072-42sx52tn	108	4	was	be	VBD
cord-288072-42sx52tn	108	5	the	the	DT
cord-288072-42sx52tn	108	6	most	most	RBS
cord-288072-42sx52tn	108	7	important	important	JJ
cord-288072-42sx52tn	108	8	predictor	predictor	NN
cord-288072-42sx52tn	108	9	of	of	IN
cord-288072-42sx52tn	108	10	presence	presence	NN
cord-288072-42sx52tn	108	11	or	or	CC
cord-288072-42sx52tn	108	12	absence	absence	NN
cord-288072-42sx52tn	108	13	of	of	IN
cord-288072-42sx52tn	108	14	rise	rise	NN
cord-288072-42sx52tn	108	15	in	in	IN
cord-288072-42sx52tn	108	16	titer	titer	NN
cord-288072-42sx52tn	108	17	of	of	IN
cord-288072-42sx52tn	108	18	neutralizing	neutralize	VBG
cord-288072-42sx52tn	108	19	antibody	antibody	NN
cord-288072-42sx52tn	108	20	.	.	.
cord-288072-42sx52tn	109	1	Since	since	IN
cord-288072-42sx52tn	109	2	the	the	DT
cord-288072-42sx52tn	109	3	1966	1966	CD
cord-288072-42sx52tn	109	4	and	and	CC
cord-288072-42sx52tn	109	5	1969	1969	CD
cord-288072-42sx52tn	109	6	periods	period	NNS
cord-288072-42sx52tn	109	7	,	,	,
cord-288072-42sx52tn	109	8	on	on	IN
cord-288072-42sx52tn	109	9	the	the	DT
cord-288072-42sx52tn	109	10	one	one	CD
cord-288072-42sx52tn	109	11	hand	hand	NN
cord-288072-42sx52tn	109	12	,	,	,
cord-288072-42sx52tn	109	13	and	and	CC
cord-288072-42sx52tn	109	14	the	the	DT
cord-288072-42sx52tn	109	15	1967	1967	CD
cord-288072-42sx52tn	109	16	and	and	CC
cord-288072-42sx52tn	109	17	1968	1968	CD
cord-288072-42sx52tn	109	18	periods	period	NNS
cord-288072-42sx52tn	109	19	,	,	,
cord-288072-42sx52tn	109	20	on	on	IN
cord-288072-42sx52tn	109	21	the	the	DT
cord-288072-42sx52tn	109	22	other	other	JJ
cord-288072-42sx52tn	109	23	,	,	,
cord-288072-42sx52tn	109	24	resembled	resemble	VBD
cord-288072-42sx52tn	109	25	each	each	DT
cord-288072-42sx52tn	109	26	other	other	JJ
cord-288072-42sx52tn	109	27	,	,	,
cord-288072-42sx52tn	109	28	they	-PRON-	PRP
cord-288072-42sx52tn	109	29	have	have	VBP
cord-288072-42sx52tn	109	30	been	be	VBN
cord-288072-42sx52tn	109	31	combined	combine	VBN
cord-288072-42sx52tn	109	32	.	.	.
cord-288072-42sx52tn	110	1	In	in	IN
cord-288072-42sx52tn	110	2	serum	serum	NN
cord-288072-42sx52tn	110	3	pairs	pair	NNS
cord-288072-42sx52tn	110	4	in	in	IN
cord-288072-42sx52tn	110	5	which	which	WDT
cord-288072-42sx52tn	110	6	the	the	DT
cord-288072-42sx52tn	110	7	second	second	JJ
cord-288072-42sx52tn	110	8	specimen	specimen	NN
cord-288072-42sx52tn	110	9	was	be	VBD
cord-288072-42sx52tn	110	10	collected	collect	VBN
cord-288072-42sx52tn	110	11	in	in	IN
cord-288072-42sx52tn	110	12	1967	1967	CD
cord-288072-42sx52tn	110	13	and	and	CC
cord-288072-42sx52tn	110	14	1968	1968	CD
cord-288072-42sx52tn	110	15	,	,	,
cord-288072-42sx52tn	110	16	and	and	CC
cord-288072-42sx52tn	110	17	in	in	IN
cord-288072-42sx52tn	110	18	which	which	WDT
cord-288072-42sx52tn	110	19	there	there	EX
cord-288072-42sx52tn	110	20	was	be	VBD
cord-288072-42sx52tn	110	21	a	a	DT
cord-288072-42sx52tn	110	22	rise	rise	NN
cord-288072-42sx52tn	110	23	in	in	IN
cord-288072-42sx52tn	110	24	CF	cf	NN
cord-288072-42sx52tn	110	25	titer	titer	NN
cord-288072-42sx52tn	110	26	alone	alone	RB
cord-288072-42sx52tn	110	27	,	,	,
cord-288072-42sx52tn	110	28	no	no	DT
cord-288072-42sx52tn	110	29	rises	rise	NNS
cord-288072-42sx52tn	110	30	in	in	IN
cord-288072-42sx52tn	110	31	titers	titer	NNS
cord-288072-42sx52tn	110	32	of	of	IN
cord-288072-42sx52tn	110	33	neutralizing	neutralize	VBG
cord-288072-42sx52tn	110	34	antibody	antibody	NN
cord-288072-42sx52tn	110	35	were	be	VBD
cord-288072-42sx52tn	110	36	found	find	VBN
cord-288072-42sx52tn	110	37	.	.	.
cord-288072-42sx52tn	111	1	In	in	IN
cord-288072-42sx52tn	111	2	the	the	DT
cord-288072-42sx52tn	111	3	pairs	pair	NNS
cord-288072-42sx52tn	111	4	from	from	IN
cord-288072-42sx52tn	111	5	this	this	DT
cord-288072-42sx52tn	111	6	period	period	NN
cord-288072-42sx52tn	111	7	with	with	IN
cord-288072-42sx52tn	111	8	a	a	DT
cord-288072-42sx52tn	111	9	rise	rise	NN
cord-288072-42sx52tn	111	10	in	in	IN
cord-288072-42sx52tn	111	11	HAl	hal	JJ
cord-288072-42sx52tn	111	12	antibody	antibody	NN
cord-288072-42sx52tn	111	13	,	,	,
cord-288072-42sx52tn	111	14	there	there	EX
cord-288072-42sx52tn	111	15	was	be	VBD
cord-288072-42sx52tn	111	16	an	an	DT
cord-288072-42sx52tn	111	17	occasional	occasional	JJ
cord-288072-42sx52tn	111	18	rise	rise	NN
cord-288072-42sx52tn	111	19	in	in	IN
cord-288072-42sx52tn	111	20	titer	titer	NN
cord-288072-42sx52tn	111	21	of	of	IN
cord-288072-42sx52tn	111	22	neutralizing	neutralize	VBG
cord-288072-42sx52tn	111	23	antibody	antibody	NN
cord-288072-42sx52tn	111	24	,	,	,
cord-288072-42sx52tn	111	25	and	and	CC
cord-288072-42sx52tn	111	26	among	among	IN
cord-288072-42sx52tn	111	27	the	the	DT
cord-288072-42sx52tn	111	28	few	few	JJ
cord-288072-42sx52tn	111	29	pairs	pair	NNS
cord-288072-42sx52tn	111	30	showing	show	VBG
cord-288072-42sx52tn	111	31	an	an	DT
cord-288072-42sx52tn	111	32	increase	increase	NN
cord-288072-42sx52tn	111	33	in	in	IN
cord-288072-42sx52tn	111	34	titer	titer	NN
cord-288072-42sx52tn	111	35	by	by	IN
cord-288072-42sx52tn	111	36	both	both	CC
cord-288072-42sx52tn	111	37	CF	CF	NNP
cord-288072-42sx52tn	111	38	and	and	CC
cord-288072-42sx52tn	111	39	HAl	HAl	NNP
cord-288072-42sx52tn	111	40	,	,	,
cord-288072-42sx52tn	111	41	28.6	28.6	CD
cord-288072-42sx52tn	111	42	%	%	NN
cord-288072-42sx52tn	111	43	had	have	VBD
cord-288072-42sx52tn	111	44	a	a	DT
cord-288072-42sx52tn	111	45	rise	rise	NN
cord-288072-42sx52tn	111	46	in	in	IN
cord-288072-42sx52tn	111	47	titer	titer	NN
cord-288072-42sx52tn	111	48	by	by	IN
cord-288072-42sx52tn	111	49	neutralization	neutralization	NN
cord-288072-42sx52tn	111	50	.	.	.
cord-288072-42sx52tn	112	1	The	the	DT
cord-288072-42sx52tn	112	2	situation	situation	NN
cord-288072-42sx52tn	112	3	with	with	IN
cord-288072-42sx52tn	112	4	the	the	DT
cord-288072-42sx52tn	112	5	1966	1966	CD
cord-288072-42sx52tn	112	6	and	and	CC
cord-288072-42sx52tn	112	7	1969	1969	CD
cord-288072-42sx52tn	112	8	specimens	specimen	NNS
cord-288072-42sx52tn	112	9	was	be	VBD
cord-288072-42sx52tn	112	10	quite	quite	RB
cord-288072-42sx52tn	112	11	different	different	JJ
cord-288072-42sx52tn	112	12	.	.	.
cord-288072-42sx52tn	113	1	The	the	DT
cord-288072-42sx52tn	113	2	specimens	specimen	NNS
cord-288072-42sx52tn	113	3	with	with	IN
cord-288072-42sx52tn	113	4	rises	rise	NNS
cord-288072-42sx52tn	113	5	in	in	IN
cord-288072-42sx52tn	113	6	CF	CF	NNP
cord-288072-42sx52tn	113	7	or	or	CC
cord-288072-42sx52tn	113	8	HAl	hal	JJ
cord-288072-42sx52tn	113	9	titer	titer	NN
cord-288072-42sx52tn	113	10	both	both	DT
cord-288072-42sx52tn	113	11	showed	show	VBD
cord-288072-42sx52tn	113	12	66.7	66.7	CD
cord-288072-42sx52tn	113	13	%	%	NN
cord-288072-42sx52tn	113	14	agreement	agreement	NN
cord-288072-42sx52tn	113	15	with	with	IN
cord-288072-42sx52tn	113	16	the	the	DT
cord-288072-42sx52tn	113	17	neutralization	neutralization	NN
cord-288072-42sx52tn	113	18	test	test	NN
cord-288072-42sx52tn	113	19	.	.	.
cord-288072-42sx52tn	114	1	All	all	DT
cord-288072-42sx52tn	114	2	specimens	specimen	NNS
cord-288072-42sx52tn	114	3	with	with	IN
cord-288072-42sx52tn	114	4	a	a	DT
cord-288072-42sx52tn	114	5	combined	combine	VBN
cord-288072-42sx52tn	114	6	CF	cf	NN
cord-288072-42sx52tn	114	7	and	and	CC
cord-288072-42sx52tn	114	8	HAl	hal	JJ
cord-288072-42sx52tn	114	9	increase	increase	NN
cord-288072-42sx52tn	114	10	also	also	RB
cord-288072-42sx52tn	114	11	had	have	VBD
cord-288072-42sx52tn	114	12	a	a	DT
cord-288072-42sx52tn	114	13	rise	rise	NN
cord-288072-42sx52tn	114	14	in	in	IN
cord-288072-42sx52tn	114	15	titer	titer	NN
cord-288072-42sx52tn	114	16	by	by	IN
cord-288072-42sx52tn	114	17	neutralization	neutralization	NN
cord-288072-42sx52tn	114	18	.	.	.
cord-288072-42sx52tn	115	1	Thus	thus	RB
cord-288072-42sx52tn	115	2	,	,	,
cord-288072-42sx52tn	115	3	the	the	DT
cord-288072-42sx52tn	115	4	1966	1966	CD
cord-288072-42sx52tn	115	5	and	and	CC
cord-288072-42sx52tn	115	6	1969	1969	CD
cord-288072-42sx52tn	115	7	period	period	NN
cord-288072-42sx52tn	115	8	was	be	VBD
cord-288072-42sx52tn	115	9	distinct	distinct	JJ
cord-288072-42sx52tn	115	10	from	from	IN
cord-288072-42sx52tn	115	11	the	the	DT
cord-288072-42sx52tn	115	12	1967	1967	CD
cord-288072-42sx52tn	115	13	and	and	CC
cord-288072-42sx52tn	115	14	1968	1968	CD
cord-288072-42sx52tn	115	15	period	period	NN
cord-288072-42sx52tn	115	16	in	in	IN
cord-288072-42sx52tn	115	17	having	have	VBG
cord-288072-42sx52tn	115	18	not	not	RB
cord-288072-42sx52tn	115	19	only	only	RB
cord-288072-42sx52tn	115	20	more	more	RBR
cord-288072-42sx52tn	115	21	frequent	frequent	JJ
cord-288072-42sx52tn	115	22	combined	combine	VBN
cord-288072-42sx52tn	115	23	CF	cf	NN
cord-288072-42sx52tn	115	24	and	and	CC
cord-288072-42sx52tn	115	25	HAl	HAl	NNP
cord-288072-42sx52tn	115	26	rises	rise	VBZ
cord-288072-42sx52tn	115	27	in	in	IN
cord-288072-42sx52tn	115	28	antibody	antibody	NN
cord-288072-42sx52tn	115	29	titer	titer	NN
cord-288072-42sx52tn	115	30	,	,	,
cord-288072-42sx52tn	115	31	but	but	CC
cord-288072-42sx52tn	115	32	also	also	RB
cord-288072-42sx52tn	115	33	because	because	IN
cord-288072-42sx52tn	115	34	all	all	DT
cord-288072-42sx52tn	115	35	rises	rise	NNS
cord-288072-42sx52tn	115	36	in	in	IN
cord-288072-42sx52tn	115	37	antibody	antibody	NN
cord-288072-42sx52tn	115	38	titer	titer	NN
cord-288072-42sx52tn	115	39	were	be	VBD
cord-288072-42sx52tn	115	40	more	more	RBR
cord-288072-42sx52tn	115	41	likely	likely	RB
cord-288072-42sx52tn	115	42	associated	associate	VBN
cord-288072-42sx52tn	115	43	with	with	IN
cord-288072-42sx52tn	115	44	rises	rise	NNS
cord-288072-42sx52tn	115	45	in	in	IN
cord-288072-42sx52tn	115	46	neutralization	neutralization	NN
cord-288072-42sx52tn	115	47	titer	titer	NN
cord-288072-42sx52tn	115	48	.	.	.
cord-288072-42sx52tn	116	1	These	these	DT
cord-288072-42sx52tn	116	2	findings	finding	NNS
cord-288072-42sx52tn	116	3	confirm	confirm	VBP
cord-288072-42sx52tn	116	4	that	that	IN
cord-288072-42sx52tn	116	5	the	the	DT
cord-288072-42sx52tn	116	6	1966	1966	CD
cord-288072-42sx52tn	116	7	and	and	CC
cord-288072-42sx52tn	116	8	1969	1969	CD
cord-288072-42sx52tn	116	9	outbreaks	outbreak	NNS
cord-288072-42sx52tn	116	10	were	be	VBD
cord-288072-42sx52tn	116	11	caused	cause	VBN
cord-288072-42sx52tn	116	12	by	by	IN
cord-288072-42sx52tn	116	13	viruses	virus	NNS
cord-288072-42sx52tn	116	14	more	more	RBR
cord-288072-42sx52tn	116	15	closely	closely	RB
cord-288072-42sx52tn	116	16	related	related	JJ
cord-288072-42sx52tn	116	17	to	to	IN
cord-288072-42sx52tn	116	18	OC43	OC43	NNP
cord-288072-42sx52tn	116	19	than	than	IN
cord-288072-42sx52tn	116	20	the	the	DT
cord-288072-42sx52tn	116	21	viruses	virus	NNS
cord-288072-42sx52tn	116	22	involved	involve	VBN
cord-288072-42sx52tn	116	23	in	in	IN
cord-288072-42sx52tn	116	24	infections	infection	NNS
cord-288072-42sx52tn	116	25	during	during	IN
cord-288072-42sx52tn	116	26	the	the	DT
cord-288072-42sx52tn	116	27	1967	1967	CD
cord-288072-42sx52tn	116	28	and	and	CC
cord-288072-42sx52tn	116	29	1968	1968	CD
cord-288072-42sx52tn	116	30	period	period	NN
cord-288072-42sx52tn	116	31	.	.	.
cord-288072-42sx52tn	117	1	During	during	IN
cord-288072-42sx52tn	117	2	1967	1967	CD
cord-288072-42sx52tn	117	3	,	,	,
cord-288072-42sx52tn	117	4	a	a	DT
cord-288072-42sx52tn	117	5	large	large	JJ
cord-288072-42sx52tn	117	6	-	-	HYPH
cord-288072-42sx52tn	117	7	scale	scale	NN
cord-288072-42sx52tn	117	8	outbreak	outbreak	NN
cord-288072-42sx52tn	117	9	of	of	IN
cord-288072-42sx52tn	117	10	229E	229e	CD
cord-288072-42sx52tn	117	11	Monto	Monto	NNP
cord-288072-42sx52tn	117	12	and	and	CC
cord-288072-42sx52tn	117	13	Lim	Lim	NNP
cord-288072-42sx52tn	117	14	virus	virus	NN
cord-288072-42sx52tn	117	15	was	be	VBD
cord-288072-42sx52tn	117	16	detected	detect	VBN
cord-288072-42sx52tn	117	17	in	in	IN
cord-288072-42sx52tn	117	18	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	117	19	[	[	-LRB-
cord-288072-42sx52tn	117	20	11	11	CD
cord-288072-42sx52tn	117	21	]	]	-RRB-
cord-288072-42sx52tn	117	22	.	.	.
cord-288072-42sx52tn	118	1	It	-PRON-	PRP
cord-288072-42sx52tn	118	2	is	be	VBZ
cord-288072-42sx52tn	118	3	possible	possible	JJ
cord-288072-42sx52tn	118	4	that	that	IN
cord-288072-42sx52tn	118	5	some	some	DT
cord-288072-42sx52tn	118	6	of	of	IN
cord-288072-42sx52tn	118	7	the	the	DT
cord-288072-42sx52tn	118	8	rises	rise	NNS
cord-288072-42sx52tn	118	9	in	in	IN
cord-288072-42sx52tn	118	10	titer	titer	NN
cord-288072-42sx52tn	118	11	of	of	IN
cord-288072-42sx52tn	118	12	antibody	antibody	NN
cord-288072-42sx52tn	118	13	to	to	IN
cord-288072-42sx52tn	118	14	OC43	OC43	NNP
cord-288072-42sx52tn	118	15	during	during	IN
cord-288072-42sx52tn	118	16	1967	1967	CD
cord-288072-42sx52tn	118	17	might	may	MD
cord-288072-42sx52tn	118	18	represent	represent	VB
cord-288072-42sx52tn	118	19	cross	cross	JJ
cord-288072-42sx52tn	118	20	-	-	NNS
cord-288072-42sx52tn	118	21	reactions	reaction	NNS
cord-288072-42sx52tn	118	22	from	from	IN
cord-288072-42sx52tn	118	23	an	an	DT
cord-288072-42sx52tn	118	24	actual	actual	JJ
cord-288072-42sx52tn	118	25	infection	infection	NN
cord-288072-42sx52tn	118	26	with	with	IN
cord-288072-42sx52tn	118	27	229E.	229E.	NNP
cord-288072-42sx52tn	119	1	Therefore	therefore	RB
cord-288072-42sx52tn	119	2	,	,	,
cord-288072-42sx52tn	119	3	the	the	DT
cord-288072-42sx52tn	119	4	21	21	CD
cord-288072-42sx52tn	119	5	sera	sera	NNP
cord-288072-42sx52tn	119	6	with	with	IN
cord-288072-42sx52tn	119	7	HAl	HAl	NNP
cord-288072-42sx52tn	119	8	or	or	CC
cord-288072-42sx52tn	119	9	CF	CF	NNP
cord-288072-42sx52tn	119	10	rises	rise	VBZ
cord-288072-42sx52tn	119	11	in	in	IN
cord-288072-42sx52tn	119	12	titer	titer	NN
cord-288072-42sx52tn	119	13	of	of	IN
cord-288072-42sx52tn	119	14	OC43	OC43	NNP
cord-288072-42sx52tn	119	15	antibody	antibody	NN
cord-288072-42sx52tn	119	16	in	in	IN
cord-288072-42sx52tn	119	17	1967	1967	CD
cord-288072-42sx52tn	119	18	were	be	VBD
cord-288072-42sx52tn	119	19	tested	test	VBN
cord-288072-42sx52tn	119	20	by	by	IN
cord-288072-42sx52tn	119	21	CF	CF	NNP
cord-288072-42sx52tn	119	22	against	against	IN
cord-288072-42sx52tn	119	23	a	a	DT
cord-288072-42sx52tn	119	24	229E	229e	CD
cord-288072-42sx52tn	119	25	antigen	antigen	NN
cord-288072-42sx52tn	119	26	.	.	.
cord-288072-42sx52tn	120	1	Of	of	IN
cord-288072-42sx52tn	120	2	those	those	DT
cord-288072-42sx52tn	120	3	tested	test	VBN
cord-288072-42sx52tn	120	4	,	,	,
cord-288072-42sx52tn	120	5	only	only	RB
cord-288072-42sx52tn	120	6	two	two	CD
cord-288072-42sx52tn	120	7	(	(	-LRB-
cord-288072-42sx52tn	120	8	9.5	9.5	CD
cord-288072-42sx52tn	120	9	%	%	NN
cord-288072-42sx52tn	120	10	)	)	-RRB-
cord-288072-42sx52tn	120	11	showed	show	VBD
cord-288072-42sx52tn	120	12	a	a	DT
cord-288072-42sx52tn	120	13	rise	rise	NN
cord-288072-42sx52tn	120	14	in	in	IN
cord-288072-42sx52tn	120	15	titer	titer	NN
cord-288072-42sx52tn	120	16	.	.	.
cord-288072-42sx52tn	121	1	Since	since	IN
cord-288072-42sx52tn	121	2	this	this	DT
cord-288072-42sx52tn	121	3	CF	cf	NN
cord-288072-42sx52tn	121	4	test	test	NN
cord-288072-42sx52tn	121	5	is	be	VBZ
cord-288072-42sx52tn	121	6	sensitive	sensitive	JJ
cord-288072-42sx52tn	121	7	when	when	WRB
cord-288072-42sx52tn	121	8	used	use	VBN
cord-288072-42sx52tn	121	9	with	with	IN
cord-288072-42sx52tn	121	10	sera	sera	NNP
cord-288072-42sx52tn	121	11	collected	collect	VBD
cord-288072-42sx52tn	121	12	close	close	RB
cord-288072-42sx52tn	121	13	in	in	IN
cord-288072-42sx52tn	121	14	time	time	NN
cord-288072-42sx52tn	121	15	to	to	IN
cord-288072-42sx52tn	121	16	infection	infection	NN
cord-288072-42sx52tn	121	17	,	,	,
cord-288072-42sx52tn	121	18	it	-PRON-	PRP
cord-288072-42sx52tn	121	19	is	be	VBZ
cord-288072-42sx52tn	121	20	probable	probable	JJ
cord-288072-42sx52tn	121	21	that	that	IN
cord-288072-42sx52tn	121	22	the	the	DT
cord-288072-42sx52tn	121	23	agent	agent	NN
cord-288072-42sx52tn	121	24	involved	involve	VBN
cord-288072-42sx52tn	121	25	in	in	IN
cord-288072-42sx52tn	121	26	producing	produce	VBG
cord-288072-42sx52tn	121	27	the	the	DT
cord-288072-42sx52tn	121	28	rises	rise	NNS
cord-288072-42sx52tn	121	29	in	in	IN
cord-288072-42sx52tn	121	30	OC43	OC43	NNP
cord-288072-42sx52tn	121	31	titer	titer	NN
cord-288072-42sx52tn	121	32	during	during	IN
cord-288072-42sx52tn	121	33	1967	1967	CD
cord-288072-42sx52tn	121	34	was	be	VBD
cord-288072-42sx52tn	121	35	other	other	JJ
cord-288072-42sx52tn	121	36	than	than	IN
cord-288072-42sx52tn	121	37	229E.	229E.	NNP
cord-288072-42sx52tn	121	38	Study	Study	NNP
cord-288072-42sx52tn	121	39	of	of	IN
cord-288072-42sx52tn	121	40	the	the	DT
cord-288072-42sx52tn	121	41	1969	1969	CD
cord-288072-42sx52tn	121	42	outbreak	outbreak	NN
cord-288072-42sx52tn	121	43	.	.	.
cord-288072-42sx52tn	122	1	The	the	DT
cord-288072-42sx52tn	122	2	outbreak	outbreak	NN
cord-288072-42sx52tn	122	3	detected	detect	VBD
cord-288072-42sx52tn	122	4	serologically	serologically	RB
cord-288072-42sx52tn	122	5	in	in	IN
cord-288072-42sx52tn	122	6	late	late	JJ
cord-288072-42sx52tn	122	7	1968	1968	CD
cord-288072-42sx52tn	122	8	and	and	CC
cord-288072-42sx52tn	122	9	the	the	DT
cord-288072-42sx52tn	122	10	first	first	JJ
cord-288072-42sx52tn	122	11	part	part	NN
cord-288072-42sx52tn	122	12	of	of	IN
cord-288072-42sx52tn	122	13	1969	1969	CD
cord-288072-42sx52tn	122	14	not	not	RB
cord-288072-42sx52tn	122	15	only	only	RB
cord-288072-42sx52tn	122	16	was	be	VBD
cord-288072-42sx52tn	122	17	large	large	JJ
cord-288072-42sx52tn	122	18	scale	scale	NN
cord-288072-42sx52tn	122	19	,	,	,
cord-288072-42sx52tn	122	20	but	but	CC
cord-288072-42sx52tn	122	21	was	be	VBD
cord-288072-42sx52tn	122	22	also	also	RB
cord-288072-42sx52tn	122	23	probably	probably	RB
cord-288072-42sx52tn	122	24	caused	cause	VBN
cord-288072-42sx52tn	122	25	by	by	IN
cord-288072-42sx52tn	122	26	an	an	DT
cord-288072-42sx52tn	122	27	agent	agent	NN
cord-288072-42sx52tn	122	28	related	relate	VBN
cord-288072-42sx52tn	122	29	to	to	IN
cord-288072-42sx52tn	122	30	OC43	OC43	NNP
cord-288072-42sx52tn	122	31	.	.	.
cord-288072-42sx52tn	123	1	To	to	TO
cord-288072-42sx52tn	123	2	define	define	VB
cord-288072-42sx52tn	123	3	better	well	RBR
cord-288072-42sx52tn	123	4	the	the	DT
cord-288072-42sx52tn	123	5	occurrence	occurrence	NN
cord-288072-42sx52tn	123	6	of	of	IN
cord-288072-42sx52tn	123	7	infection	infection	NN
cord-288072-42sx52tn	123	8	during	during	IN
cord-288072-42sx52tn	123	9	this	this	DT
cord-288072-42sx52tn	123	10	period	period	NN
cord-288072-42sx52tn	123	11	,	,	,
cord-288072-42sx52tn	123	12	serologic	serologic	NNP
cord-288072-42sx52tn	123	13	data	datum	NNS
cord-288072-42sx52tn	123	14	from	from	IN
cord-288072-42sx52tn	123	15	the	the	DT
cord-288072-42sx52tn	123	16	106	106	CD
cord-288072-42sx52tn	123	17	families	family	NNS
cord-288072-42sx52tn	123	18	whose	whose	WP$
cord-288072-42sx52tn	123	19	second	second	JJ
cord-288072-42sx52tn	123	20	and	and	CC
cord-288072-42sx52tn	123	21	third	third	JJ
cord-288072-42sx52tn	123	22	specimens	specimen	NNS
cord-288072-42sx52tn	123	23	of	of	IN
cord-288072-42sx52tn	123	24	blood	blood	NN
cord-288072-42sx52tn	123	25	were	be	VBD
cord-288072-42sx52tn	123	26	collected	collect	VBN
cord-288072-42sx52tn	123	27	during	during	IN
cord-288072-42sx52tn	123	28	the	the	DT
cord-288072-42sx52tn	123	29	period	period	NN
cord-288072-42sx52tn	123	30	from	from	IN
cord-288072-42sx52tn	123	31	August	August	NNP
cord-288072-42sx52tn	123	32	1968	1968	CD
cord-288072-42sx52tn	123	33	to	to	IN
cord-288072-42sx52tn	123	34	June	June	NNP
cord-288072-42sx52tn	123	35	1969	1969	CD
cord-288072-42sx52tn	123	36	were	be	VBD
cord-288072-42sx52tn	123	37	examined	examine	VBN
cord-288072-42sx52tn	123	38	separately	separately	RB
cord-288072-42sx52tn	123	39	.	.	.
cord-288072-42sx52tn	124	1	To	to	TO
cord-288072-42sx52tn	124	2	complete	complete	VB
cord-288072-42sx52tn	124	3	the	the	DT
cord-288072-42sx52tn	124	4	study	study	NN
cord-288072-42sx52tn	124	5	of	of	IN
cord-288072-42sx52tn	124	6	these	these	DT
cord-288072-42sx52tn	124	7	families	family	NNS
cord-288072-42sx52tn	124	8	the	the	DT
cord-288072-42sx52tn	124	9	blood	blood	NN
cord-288072-42sx52tn	124	10	specimens	specimen	NNS
cord-288072-42sx52tn	124	11	collected	collect	VBN
cord-288072-42sx52tn	124	12	on	on	IN
cord-288072-42sx52tn	124	13	filter	filter	NN
cord-288072-42sx52tn	124	14	paper	paper	NN
cord-288072-42sx52tn	124	15	disks	disk	NNS
cord-288072-42sx52tn	124	16	from	from	IN
cord-288072-42sx52tn	124	17	the	the	DT
cord-288072-42sx52tn	124	18	younger	young	JJR
cord-288072-42sx52tn	124	19	children	child	NNS
cord-288072-42sx52tn	124	20	were	be	VBD
cord-288072-42sx52tn	124	21	also	also	RB
cord-288072-42sx52tn	124	22	tested	test	VBN
cord-288072-42sx52tn	124	23	by	by	IN
cord-288072-42sx52tn	124	24	CF	CF	NNP
cord-288072-42sx52tn	124	25	and	and	CC
cord-288072-42sx52tn	124	26	HAl	HAl	NNP
cord-288072-42sx52tn	124	27	against	against	IN
cord-288072-42sx52tn	124	28	OC43	OC43	NNP
cord-288072-42sx52tn	124	29	antibody	antibody	NN
cord-288072-42sx52tn	124	30	.	.	.
cord-288072-42sx52tn	125	1	Persons	person	NNS
cord-288072-42sx52tn	125	2	were	be	VBD
cord-288072-42sx52tn	125	3	identified	identify	VBN
cord-288072-42sx52tn	125	4	as	as	IN
cord-288072-42sx52tn	125	5	infected	infect	VBN
cord-288072-42sx52tn	125	6	if	if	IN
cord-288072-42sx52tn	125	7	they	-PRON-	PRP
cord-288072-42sx52tn	125	8	had	have	VBD
cord-288072-42sx52tn	125	9	a	a	DT
cord-288072-42sx52tn	125	10	significant	significant	JJ
cord-288072-42sx52tn	125	11	increase	increase	NN
cord-288072-42sx52tn	125	12	in	in	IN
cord-288072-42sx52tn	125	13	antibody	antibody	NN
cord-288072-42sx52tn	125	14	titer	titer	NN
cord-288072-42sx52tn	125	15	by	by	IN
cord-288072-42sx52tn	125	16	CF	CF	NNP
cord-288072-42sx52tn	125	17	or	or	CC
cord-288072-42sx52tn	125	18	HAl	hal	JJ
cord-288072-42sx52tn	125	19	test	test	NN
cord-288072-42sx52tn	125	20	,	,	,
cord-288072-42sx52tn	125	21	since	since	IN
cord-288072-42sx52tn	125	22	during	during	IN
cord-288072-42sx52tn	125	23	the	the	DT
cord-288072-42sx52tn	125	24	period	period	NN
cord-288072-42sx52tn	125	25	both	both	DT
cord-288072-42sx52tn	125	26	were	be	VBD
cord-288072-42sx52tn	125	27	equally	equally	RB
cord-288072-42sx52tn	125	28	likely	likely	JJ
cord-288072-42sx52tn	125	29	to	to	TO
cord-288072-42sx52tn	125	30	agree	agree	VB
cord-288072-42sx52tn	125	31	with	with	IN
cord-288072-42sx52tn	125	32	the	the	DT
cord-288072-42sx52tn	125	33	neutralization	neutralization	NN
cord-288072-42sx52tn	125	34	test	test	NN
cord-288072-42sx52tn	125	35	.	.	.
cord-288072-42sx52tn	126	1	The	the	DT
cord-288072-42sx52tn	126	2	results	result	NNS
cord-288072-42sx52tn	126	3	,	,	,
cord-288072-42sx52tn	126	4	shown	show	VBN
cord-288072-42sx52tn	126	5	in	in	IN
cord-288072-42sx52tn	126	6	table	table	NN
cord-288072-42sx52tn	126	7	3	3	CD
cord-288072-42sx52tn	126	8	,	,	,
cord-288072-42sx52tn	126	9	calculated	calculate	VBN
cord-288072-42sx52tn	126	10	on	on	IN
cord-288072-42sx52tn	126	11	the	the	DT
cord-288072-42sx52tn	126	12	basis	basis	NN
cord-288072-42sx52tn	126	13	of	of	IN
cord-288072-42sx52tn	126	14	person	person	NN
cord-288072-42sx52tn	126	15	-	-	HYPH
cord-288072-42sx52tn	126	16	years	year	NNS
cord-288072-42sx52tn	126	17	of	of	IN
cord-288072-42sx52tn	126	18	observation	observation	NN
cord-288072-42sx52tn	126	19	,	,	,
cord-288072-42sx52tn	126	20	indicate	indicate	VBP
cord-288072-42sx52tn	126	21	the	the	DT
cord-288072-42sx52tn	126	22	great	great	JJ
cord-288072-42sx52tn	126	23	frequency	frequency	NN
cord-288072-42sx52tn	126	24	of	of	IN
cord-288072-42sx52tn	126	25	infection	infection	NN
cord-288072-42sx52tn	126	26	with	with	IN
cord-288072-42sx52tn	126	27	the	the	DT
cord-288072-42sx52tn	126	28	agent	agent	NN
cord-288072-42sx52tn	126	29	.	.	.
cord-288072-42sx52tn	127	1	Those	those	DT
cord-288072-42sx52tn	127	2	under	under	IN
cord-288072-42sx52tn	127	3	five	five	CD
cord-288072-42sx52tn	127	4	years	year	NNS
cord-288072-42sx52tn	127	5	of	of	IN
cord-288072-42sx52tn	127	6	age	age	NN
cord-288072-42sx52tn	127	7	showed	show	VBD
cord-288072-42sx52tn	127	8	the	the	DT
cord-288072-42sx52tn	127	9	highest	high	JJS
cord-288072-42sx52tn	127	10	rates	rate	NNS
cord-288072-42sx52tn	127	11	of	of	IN
cord-288072-42sx52tn	127	12	infection	infection	NN
cord-288072-42sx52tn	127	13	,	,	,
cord-288072-42sx52tn	127	14	and	and	CC
cord-288072-42sx52tn	127	15	the	the	DT
cord-288072-42sx52tn	127	16	rates	rate	NNS
cord-288072-42sx52tn	127	17	fell	fall	VBD
cord-288072-42sx52tn	127	18	slightly	slightly	RB
cord-288072-42sx52tn	127	19	as	as	IN
cord-288072-42sx52tn	127	20	the	the	DT
cord-288072-42sx52tn	127	21	age	age	NN
cord-288072-42sx52tn	127	22	of	of	IN
cord-288072-42sx52tn	127	23	children	child	NNS
cord-288072-42sx52tn	127	24	increased	increase	VBD
cord-288072-42sx52tn	127	25	.	.	.
cord-288072-42sx52tn	128	1	Among	among	IN
cord-288072-42sx52tn	128	2	adults	adult	NNS
cord-288072-42sx52tn	128	3	,	,	,
cord-288072-42sx52tn	128	4	the	the	DT
cord-288072-42sx52tn	128	5	30	30	CD
cord-288072-42sx52tn	128	6	-	-	HYPH
cord-288072-42sx52tn	128	7	39-year	39-year	JJ
cord-288072-42sx52tn	128	8	age	age	NN
cord-288072-42sx52tn	128	9	group	group	NN
cord-288072-42sx52tn	128	10	had	have	VBD
cord-288072-42sx52tn	128	11	the	the	DT
cord-288072-42sx52tn	128	12	highest	high	JJS
cord-288072-42sx52tn	128	13	rates	rate	NNS
cord-288072-42sx52tn	128	14	.	.	.
cord-288072-42sx52tn	129	1	The	the	DT
cord-288072-42sx52tn	129	2	very	very	RB
cord-288072-42sx52tn	129	3	high	high	JJ
cord-288072-42sx52tn	129	4	rate	rate	NN
cord-288072-42sx52tn	129	5	of	of	IN
cord-288072-42sx52tn	129	6	infection	infection	NN
cord-288072-42sx52tn	129	7	in	in	IN
cord-288072-42sx52tn	129	8	adults	adult	NNS
cord-288072-42sx52tn	129	9	was	be	VBD
cord-288072-42sx52tn	129	10	similar	similar	JJ
cord-288072-42sx52tn	129	11	to	to	IN
cord-288072-42sx52tn	129	12	that	that	DT
cord-288072-42sx52tn	129	13	observed	observe	VBN
cord-288072-42sx52tn	129	14	in	in	IN
cord-288072-42sx52tn	129	15	the	the	DT
cord-288072-42sx52tn	129	16	commu-	commu-	JJ
cord-288072-42sx52tn	129	17	Table	Table	NNP
cord-288072-42sx52tn	129	18	3	3	CD
cord-288072-42sx52tn	129	19	.	.	.
cord-288072-42sx52tn	130	1	Age	age	NN
cord-288072-42sx52tn	130	2	-	-	HYPH
cord-288072-42sx52tn	130	3	specific	specific	JJ
cord-288072-42sx52tn	130	4	occurrence	occurrence	NN
cord-288072-42sx52tn	130	5	of	of	IN
cord-288072-42sx52tn	130	6	infection	infection	NN
cord-288072-42sx52tn	130	7	with	with	IN
cord-288072-42sx52tn	130	8	coronavitus	coronavitus	NNP
cord-288072-42sx52tn	130	9	OC43	OC43	NNP
cord-288072-42sx52tn	130	10	during	during	IN
cord-288072-42sx52tn	130	11	1968	1968	CD
cord-288072-42sx52tn	130	12	-	-	SYM
cord-288072-42sx52tn	130	13	1969	1969	CD
cord-288072-42sx52tn	130	14	as	as	IN
cord-288072-42sx52tn	130	15	determined	determine	VBN
cord-288072-42sx52tn	130	16	by	by	IN
cord-288072-42sx52tn	130	17	CF	CF	NNP
cord-288072-42sx52tn	130	18	and	and	CC
cord-288072-42sx52tn	130	19	HAl	hal	JJ
cord-288072-42sx52tn	130	20	tests	test	NNS
cord-288072-42sx52tn	130	21	.	.	.
cord-288072-42sx52tn	131	1	*	*	NFP
cord-288072-42sx52tn	131	2	Number	number	NN
cord-288072-42sx52tn	131	3	of	of	IN
cord-288072-42sx52tn	131	4	persons	person	NNS
cord-288072-42sx52tn	131	5	with	with	IN
cord-288072-42sx52tn	131	6	rise	rise	NN
cord-288072-42sx52tn	131	7	in	in	IN
cord-288072-42sx52tn	131	8	antibody	antibody	NN
cord-288072-42sx52tn	131	9	titer	titer	NN
cord-288072-42sx52tn	131	10	by	by	IN
cord-288072-42sx52tn	131	11	CF	CF	NNP
cord-288072-42sx52tn	131	12	alone	alone	RB
cord-288072-42sx52tn	131	13	,	,	,
cord-288072-42sx52tn	131	14	HAl	HAl	NNP
cord-288072-42sx52tn	131	15	alone	alone	RB
cord-288072-42sx52tn	131	16	,	,	,
cord-288072-42sx52tn	131	17	or	or	CC
cord-288072-42sx52tn	131	18	both	both	CC
cord-288072-42sx52tn	131	19	CF	CF	NNP
cord-288072-42sx52tn	131	20	and	and	CC
cord-288072-42sx52tn	131	21	HAl	HAl	NNP
cord-288072-42sx52tn	131	22	.	.	.
cord-288072-42sx52tn	132	1	nity	nity	NN
cord-288072-42sx52tn	132	2	during	during	IN
cord-288072-42sx52tn	132	3	the	the	DT
cord-288072-42sx52tn	132	4	229E	229e	CD
cord-288072-42sx52tn	132	5	outbreak	outbreak	NN
cord-288072-42sx52tn	132	6	of	of	IN
cord-288072-42sx52tn	132	7	1967	1967	CD
cord-288072-42sx52tn	132	8	[	[	-LRB-
cord-288072-42sx52tn	132	9	11	11	CD
cord-288072-42sx52tn	132	10	]	]	-RRB-
cord-288072-42sx52tn	132	11	.	.	.
cord-288072-42sx52tn	133	1	Howevert	howevert	RB
cord-288072-42sx52tn	133	2	the	the	DT
cord-288072-42sx52tn	133	3	marked	marked	JJ
cord-288072-42sx52tn	133	4	involvement	involvement	NN
cord-288072-42sx52tn	133	5	of	of	IN
cord-288072-42sx52tn	133	6	children	child	NNS
cord-288072-42sx52tn	133	7	under	under	IN
cord-288072-42sx52tn	133	8	age	age	NN
cord-288072-42sx52tn	133	9	five	five	CD
cord-288072-42sx52tn	133	10	was	be	VBD
cord-288072-42sx52tn	133	11	not	not	RB
cord-288072-42sx52tn	133	12	noted	note	VBN
cord-288072-42sx52tn	133	13	at	at	IN
cord-288072-42sx52tn	133	14	that	that	DT
cord-288072-42sx52tn	133	15	time	time	NN
cord-288072-42sx52tn	133	16	nor	nor	CC
cord-288072-42sx52tn	133	17	has	have	VBZ
cord-288072-42sx52tn	133	18	it	-PRON-	PRP
cord-288072-42sx52tn	133	19	been	be	VBN
cord-288072-42sx52tn	133	20	appreciated	appreciate	VBN
cord-288072-42sx52tn	133	21	in	in	IN
cord-288072-42sx52tn	133	22	other	other	JJ
cord-288072-42sx52tn	133	23	studies	study	NNS
cord-288072-42sx52tn	133	24	of	of	IN
cord-288072-42sx52tn	133	25	coronavirus	coronavirus	NN
cord-288072-42sx52tn	133	26	infections	infection	NNS
cord-288072-42sx52tn	133	27	.	.	.
cord-288072-42sx52tn	134	1	Relative	relative	JJ
cord-288072-42sx52tn	134	2	frequency	frequency	NN
cord-288072-42sx52tn	134	3	of	of	IN
cord-288072-42sx52tn	134	4	CF	cf	NN
cord-288072-42sx52tn	134	5	and	and	CC
cord-288072-42sx52tn	134	6	HAl	hal	JJ
cord-288072-42sx52tn	134	7	response	response	NN
cord-288072-42sx52tn	134	8	among	among	IN
cord-288072-42sx52tn	134	9	these	these	DT
cord-288072-42sx52tn	134	10	small	small	JJ
cord-288072-42sx52tn	134	11	children	child	NNS
cord-288072-42sx52tn	134	12	was	be	VBD
cord-288072-42sx52tn	134	13	like	like	IN
cord-288072-42sx52tn	134	14	that	that	DT
cord-288072-42sx52tn	134	15	of	of	IN
cord-288072-42sx52tn	134	16	the	the	DT
cord-288072-42sx52tn	134	17	rest	rest	NN
cord-288072-42sx52tn	134	18	of	of	IN
cord-288072-42sx52tn	134	19	the	the	DT
cord-288072-42sx52tn	134	20	population	population	NN
cord-288072-42sx52tn	134	21	during	during	IN
cord-288072-42sx52tn	134	22	this	this	DT
cord-288072-42sx52tn	134	23	period	period	NN
cord-288072-42sx52tn	134	24	t	t	XX
cord-288072-42sx52tn	134	25	with	with	IN
cord-288072-42sx52tn	134	26	approximately	approximately	RB
cord-288072-42sx52tn	134	27	two	two	CD
cord-288072-42sx52tn	134	28	and	and	CC
cord-288072-42sx52tn	134	29	a	a	DT
cord-288072-42sx52tn	134	30	half	half	NN
cord-288072-42sx52tn	134	31	times	time	NNS
cord-288072-42sx52tn	134	32	as	as	IN
cord-288072-42sx52tn	134	33	many	many	JJ
cord-288072-42sx52tn	134	34	rises	rise	NNS
cord-288072-42sx52tn	134	35	in	in	IN
cord-288072-42sx52tn	134	36	titer	titer	NN
cord-288072-42sx52tn	134	37	detected	detect	VBN
cord-288072-42sx52tn	134	38	by	by	IN
cord-288072-42sx52tn	134	39	HAl	HAl	NNS
cord-288072-42sx52tn	134	40	compared	compare	VBN
cord-288072-42sx52tn	134	41	with	with	IN
cord-288072-42sx52tn	134	42	those	those	DT
cord-288072-42sx52tn	134	43	detected	detect	VBN
cord-288072-42sx52tn	134	44	by	by	IN
cord-288072-42sx52tn	134	45	CF	CF	NNP
cord-288072-42sx52tn	134	46	.	.	.
cord-288072-42sx52tn	135	1	Familial	familial	JJ
cord-288072-42sx52tn	135	2	aggregation	aggregation	NN
cord-288072-42sx52tn	135	3	of	of	IN
cord-288072-42sx52tn	135	4	infection	infection	NN
cord-288072-42sx52tn	135	5	was	be	VBD
cord-288072-42sx52tn	135	6	frequent	frequent	JJ
cord-288072-42sx52tn	135	7	,	,	,
cord-288072-42sx52tn	135	8	as	as	IN
cord-288072-42sx52tn	135	9	has	have	VBZ
cord-288072-42sx52tn	135	10	been	be	VBN
cord-288072-42sx52tn	135	11	observed	observe	VBN
cord-288072-42sx52tn	135	12	with	with	IN
cord-288072-42sx52tn	135	13	other	other	JJ
cord-288072-42sx52tn	135	14	respiratory	respiratory	JJ
cord-288072-42sx52tn	135	15	viruses	virus	NNS
cord-288072-42sx52tn	135	16	[	[	-LRB-
cord-288072-42sx52tn	135	17	10	10	CD
cord-288072-42sx52tn	135	18	]	]	-RRB-
cord-288072-42sx52tn	135	19	.	.	.
cord-288072-42sx52tn	136	1	As	as	RB
cord-288072-42sx52tn	136	2	many	many	JJ
cord-288072-42sx52tn	136	3	as	as	IN
cord-288072-42sx52tn	136	4	four	four	CD
cord-288072-42sx52tn	136	5	infections	infection	NNS
cord-288072-42sx52tn	136	6	were	be	VBD
cord-288072-42sx52tn	136	7	observed	observe	VBN
cord-288072-42sx52tn	136	8	in	in	IN
cord-288072-42sx52tn	136	9	a	a	DT
cord-288072-42sx52tn	136	10	single	single	JJ
cord-288072-42sx52tn	136	11	family	family	NN
cord-288072-42sx52tn	136	12	.	.	.
cord-288072-42sx52tn	137	1	During	during	IN
cord-288072-42sx52tn	137	2	the	the	DT
cord-288072-42sx52tn	137	3	229E	229e	CD
cord-288072-42sx52tn	137	4	outbreak	outbreak	NN
cord-288072-42sx52tn	137	5	in	in	IN
cord-288072-42sx52tn	137	6	1967	1967	CD
cord-288072-42sx52tn	137	7	,	,	,
cord-288072-42sx52tn	137	8	in	in	IN
cord-288072-42sx52tn	137	9	spite	spite	NN
cord-288072-42sx52tn	137	10	of	of	IN
cord-288072-42sx52tn	137	11	the	the	DT
cord-288072-42sx52tn	137	12	high	high	JJ
cord-288072-42sx52tn	137	13	rate	rate	NN
cord-288072-42sx52tn	137	14	of	of	IN
cord-288072-42sx52tn	137	15	infection	infection	NN
cord-288072-42sx52tn	137	16	and	and	CC
cord-288072-42sx52tn	137	17	the	the	DT
cord-288072-42sx52tn	137	18	fact	fact	NN
cord-288072-42sx52tn	137	19	that	that	IN
cord-288072-42sx52tn	137	20	infection	infection	NN
cord-288072-42sx52tn	137	21	was	be	VBD
cord-288072-42sx52tn	137	22	significantly	significantly	RB
cord-288072-42sx52tn	137	23	associated	associate	VBN
cord-288072-42sx52tn	137	24	with	with	IN
cord-288072-42sx52tn	137	25	illness	illness	NN
cord-288072-42sx52tn	137	26	,	,	,
cord-288072-42sx52tn	137	27	no	no	DT
cord-288072-42sx52tn	137	28	peak	peak	NN
cord-288072-42sx52tn	137	29	in	in	IN
cord-288072-42sx52tn	137	30	incidence	incidence	NN
cord-288072-42sx52tn	137	31	of	of	IN
cord-288072-42sx52tn	137	32	illness	illness	NN
cord-288072-42sx52tn	137	33	could	could	MD
cord-288072-42sx52tn	137	34	be	be	VB
cord-288072-42sx52tn	137	35	identified	identify	VBN
cord-288072-42sx52tn	137	36	[	[	-LRB-
cord-288072-42sx52tn	137	37	11	11	CD
cord-288072-42sx52tn	137	38	]	]	-RRB-
cord-288072-42sx52tn	137	39	.	.	.
cord-288072-42sx52tn	138	1	Similarly	similarly	RB
cord-288072-42sx52tn	138	2	,	,	,
cord-288072-42sx52tn	138	3	in	in	IN
cord-288072-42sx52tn	138	4	the	the	DT
cord-288072-42sx52tn	138	5	present	present	JJ
cord-288072-42sx52tn	138	6	outbreak	outbreak	NN
cord-288072-42sx52tn	138	7	no	no	DT
cord-288072-42sx52tn	138	8	peak	peak	NN
cord-288072-42sx52tn	138	9	of	of	IN
cord-288072-42sx52tn	138	10	incidence	incidence	NN
cord-288072-42sx52tn	138	11	of	of	IN
cord-288072-42sx52tn	138	12	illness	illness	NN
cord-288072-42sx52tn	138	13	could	could	MD
cord-288072-42sx52tn	138	14	be	be	VB
cord-288072-42sx52tn	138	15	identified	identify	VBN
cord-288072-42sx52tn	138	16	in	in	IN
cord-288072-42sx52tn	138	17	February	February	NNP
cord-288072-42sx52tn	138	18	or	or	CC
cord-288072-42sx52tn	138	19	March	March	NNP
cord-288072-42sx52tn	138	20	1969	1969	CD
cord-288072-42sx52tn	138	21	,	,	,
cord-288072-42sx52tn	138	22	the	the	DT
cord-288072-42sx52tn	138	23	likely	likely	JJ
cord-288072-42sx52tn	138	24	period	period	NN
cord-288072-42sx52tn	138	25	of	of	IN
cord-288072-42sx52tn	138	26	peak	peak	NN
cord-288072-42sx52tn	138	27	dissemination	dissemination	NN
cord-288072-42sx52tn	138	28	of	of	IN
cord-288072-42sx52tn	138	29	virus	virus	NN
cord-288072-42sx52tn	138	30	.	.	.
cord-288072-42sx52tn	139	1	Investigations	investigation	NNS
cord-288072-42sx52tn	139	2	on	on	IN
cord-288072-42sx52tn	139	3	the	the	DT
cord-288072-42sx52tn	139	4	behavior	behavior	NN
cord-288072-42sx52tn	139	5	in	in	IN
cord-288072-42sx52tn	139	6	populations	population	NNS
cord-288072-42sx52tn	139	7	of	of	IN
cord-288072-42sx52tn	139	8	respiratory	respiratory	JJ
cord-288072-42sx52tn	139	9	pathogens	pathogen	NNS
cord-288072-42sx52tn	139	10	ideally	ideally	RB
cord-288072-42sx52tn	139	11	use	use	VBP
cord-288072-42sx52tn	139	12	as	as	IN
cord-288072-42sx52tn	139	13	methods	method	NNS
cord-288072-42sx52tn	139	14	both	both	DT
cord-288072-42sx52tn	139	15	isolation	isolation	NN
cord-288072-42sx52tn	139	16	of	of	IN
cord-288072-42sx52tn	139	17	infecting	infect	VBG
cord-288072-42sx52tn	139	18	viruses	virus	NNS
cord-288072-42sx52tn	139	19	and	and	CC
cord-288072-42sx52tn	139	20	testing	testing	NN
cord-288072-42sx52tn	139	21	of	of	IN
cord-288072-42sx52tn	139	22	sera	sera	NNP
cord-288072-42sx52tn	139	23	.	.	.
cord-288072-42sx52tn	140	1	An	an	DT
cord-288072-42sx52tn	140	2	isolate	isolate	NN
cord-288072-42sx52tn	140	3	can	can	MD
cord-288072-42sx52tn	140	4	be	be	VB
cord-288072-42sx52tn	140	5	used	use	VBN
cord-288072-42sx52tn	140	6	as	as	IN
cord-288072-42sx52tn	140	7	antigen	antigen	NN
cord-288072-42sx52tn	140	8	in	in	IN
cord-288072-42sx52tn	140	9	the	the	DT
cord-288072-42sx52tn	140	10	serologic	serologic	JJ
cord-288072-42sx52tn	140	11	procedures	procedure	NNS
cord-288072-42sx52tn	140	12	and	and	CC
cord-288072-42sx52tn	140	13	rises	rise	NNS
cord-288072-42sx52tn	140	14	in	in	IN
cord-288072-42sx52tn	140	15	antibody	antibody	NN
cord-288072-42sx52tn	140	16	titer	titer	NN
cord-288072-42sx52tn	140	17	related	relate	VBN
cord-288072-42sx52tn	140	18	directly	directly	RB
cord-288072-42sx52tn	140	19	to	to	IN
cord-288072-42sx52tn	140	20	the	the	DT
cord-288072-42sx52tn	140	21	activity	activity	NN
cord-288072-42sx52tn	140	22	of	of	IN
cord-288072-42sx52tn	140	23	that	that	DT
cord-288072-42sx52tn	140	24	virus	virus	NN
cord-288072-42sx52tn	140	25	.	.	.
cord-288072-42sx52tn	141	1	Unfortunately	unfortunately	RB
cord-288072-42sx52tn	141	2	,	,	,
cord-288072-42sx52tn	141	3	with	with	IN
cord-288072-42sx52tn	141	4	most	most	JJS
cord-288072-42sx52tn	141	5	of	of	IN
cord-288072-42sx52tn	141	6	the	the	DT
cord-288072-42sx52tn	141	7	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	141	8	isolation	isolation	NN
cord-288072-42sx52tn	141	9	is	be	VBZ
cord-288072-42sx52tn	141	10	difficult	difficult	JJ
cord-288072-42sx52tn	141	11	[	[	-LRB-
cord-288072-42sx52tn	141	12	14	14	CD
cord-288072-42sx52tn	141	13	,	,	,
cord-288072-42sx52tn	141	14	15	15	CD
cord-288072-42sx52tn	141	15	]	]	-RRB-
cord-288072-42sx52tn	141	16	.	.	.
cord-288072-42sx52tn	142	1	Seroepidemiology	seroepidemiology	NN
cord-288072-42sx52tn	142	2	is	be	VBZ
cord-288072-42sx52tn	142	3	thus	thus	RB
cord-288072-42sx52tn	142	4	the	the	DT
cord-288072-42sx52tn	142	5	only	only	JJ
cord-288072-42sx52tn	142	6	technique	technique	NN
cord-288072-42sx52tn	142	7	available	available	JJ
cord-288072-42sx52tn	142	8	for	for	IN
cord-288072-42sx52tn	142	9	study	study	NN
cord-288072-42sx52tn	142	10	of	of	IN
cord-288072-42sx52tn	142	11	infections	infection	NNS
cord-288072-42sx52tn	142	12	caused	cause	VBN
cord-288072-42sx52tn	142	13	by	by	IN
cord-288072-42sx52tn	142	14	these	these	DT
cord-288072-42sx52tn	142	15	agents	agent	NNS
cord-288072-42sx52tn	142	16	in	in	IN
cord-288072-42sx52tn	142	17	large	large	JJ
cord-288072-42sx52tn	142	18	numbers	number	NNS
cord-288072-42sx52tn	142	19	of	of	IN
cord-288072-42sx52tn	142	20	people	people	NNS
cord-288072-42sx52tn	142	21	.	.	.
cord-288072-42sx52tn	143	1	The	the	DT
cord-288072-42sx52tn	143	2	relation	relation	NN
cord-288072-42sx52tn	143	3	between	between	IN
cord-288072-42sx52tn	143	4	the	the	DT
cord-288072-42sx52tn	143	5	virus	virus	NN
cord-288072-42sx52tn	143	6	chosen	choose	VBN
cord-288072-42sx52tn	143	7	for	for	IN
cord-288072-42sx52tn	143	8	antigen	antigen	NN
cord-288072-42sx52tn	143	9	and	and	CC
cord-288072-42sx52tn	143	10	the	the	DT
cord-288072-42sx52tn	143	11	virus	virus	NN
cord-288072-42sx52tn	143	12	actually	actually	RB
cord-288072-42sx52tn	143	13	infecting	infect	VBG
cord-288072-42sx52tn	143	14	the	the	DT
cord-288072-42sx52tn	143	15	population	population	NN
cord-288072-42sx52tn	143	16	can	can	MD
cord-288072-42sx52tn	143	17	thus	thus	RB
cord-288072-42sx52tn	143	18	be	be	VB
cord-288072-42sx52tn	143	19	determined	determine	VBN
cord-288072-42sx52tn	143	20	only	only	RB
cord-288072-42sx52tn	143	21	by	by	IN
cord-288072-42sx52tn	143	22	inference	inference	NN
cord-288072-42sx52tn	143	23	.	.	.
cord-288072-42sx52tn	144	1	It	-PRON-	PRP
cord-288072-42sx52tn	144	2	is	be	VBZ
cord-288072-42sx52tn	144	3	known	know	VBN
cord-288072-42sx52tn	144	4	that	that	IN
cord-288072-42sx52tn	144	5	rises	rise	NNS
cord-288072-42sx52tn	144	6	in	in	IN
cord-288072-42sx52tn	144	7	titer	titer	NN
cord-288072-42sx52tn	144	8	of	of	IN
cord-288072-42sx52tn	144	9	heterologous	heterologous	NNP
cord-288072-42sx52tn	144	10	antibody	antibody	NN
cord-288072-42sx52tn	144	11	do	do	VBP
cord-288072-42sx52tn	144	12	occur	occur	VB
cord-288072-42sx52tn	144	13	[	[	-LRB-
cord-288072-42sx52tn	144	14	16	16	CD
cord-288072-42sx52tn	144	15	]	]	-RRB-
cord-288072-42sx52tn	145	1	[	[	-LRB-
cord-288072-42sx52tn	145	2	17	17	CD
cord-288072-42sx52tn	145	3	]	]	-RRB-
cord-288072-42sx52tn	145	4	[	[	-LRB-
cord-288072-42sx52tn	145	5	18	18	CD
cord-288072-42sx52tn	145	6	]	]	-RRB-
cord-288072-42sx52tn	145	7	;	;	:
cord-288072-42sx52tn	145	8	however	however	RB
cord-288072-42sx52tn	145	9	,	,	,
cord-288072-42sx52tn	145	10	the	the	DT
cord-288072-42sx52tn	145	11	exact	exact	JJ
cord-288072-42sx52tn	145	12	nature	nature	NN
cord-288072-42sx52tn	145	13	and	and	CC
cord-288072-42sx52tn	145	14	frequency	frequency	NN
cord-288072-42sx52tn	145	15	of	of	IN
cord-288072-42sx52tn	145	16	these	these	DT
cord-288072-42sx52tn	145	17	cross	cross	NN
cord-288072-42sx52tn	145	18	-	-	NNS
cord-288072-42sx52tn	145	19	reactions	reaction	NNS
cord-288072-42sx52tn	145	20	have	have	VBP
cord-288072-42sx52tn	145	21	not	not	RB
cord-288072-42sx52tn	145	22	been	be	VBN
cord-288072-42sx52tn	145	23	determined	determine	VBN
cord-288072-42sx52tn	145	24	.	.	.
cord-288072-42sx52tn	146	1	Only	only	RB
cord-288072-42sx52tn	146	2	limited	limited	JJ
cord-288072-42sx52tn	146	3	numbers	number	NNS
cord-288072-42sx52tn	146	4	of	of	IN
cord-288072-42sx52tn	146	5	natural	natural	JJ
cord-288072-42sx52tn	146	6	infections	infection	NNS
cord-288072-42sx52tn	146	7	have	have	VBP
cord-288072-42sx52tn	146	8	been	be	VBN
cord-288072-42sx52tn	146	9	studied	study	VBN
cord-288072-42sx52tn	146	10	by	by	IN
cord-288072-42sx52tn	146	11	both	both	DT
cord-288072-42sx52tn	146	12	isolation	isolation	NN
cord-288072-42sx52tn	146	13	and	and	CC
cord-288072-42sx52tn	146	14	serology	serology	NN
cord-288072-42sx52tn	146	15	,	,	,
cord-288072-42sx52tn	146	16	a	a	DT
cord-288072-42sx52tn	146	17	situation	situation	NN
cord-288072-42sx52tn	146	18	in	in	IN
cord-288072-42sx52tn	146	19	which	which	WDT
cord-288072-42sx52tn	146	20	the	the	DT
cord-288072-42sx52tn	146	21	critical	critical	JJ
cord-288072-42sx52tn	146	22	observations	observation	NNS
cord-288072-42sx52tn	146	23	on	on	IN
cord-288072-42sx52tn	146	24	antibody	antibody	NN
cord-288072-42sx52tn	146	25	response	response	NN
cord-288072-42sx52tn	146	26	should	should	MD
cord-288072-42sx52tn	146	27	be	be	VB
cord-288072-42sx52tn	146	28	possible	possible	JJ
cord-288072-42sx52tn	146	29	;	;	:
cord-288072-42sx52tn	146	30	thus	thus	RB
cord-288072-42sx52tn	146	31	basic	basic	JJ
cord-288072-42sx52tn	146	32	gaps	gap	NNS
cord-288072-42sx52tn	146	33	in	in	IN
cord-288072-42sx52tn	146	34	essential	essential	JJ
cord-288072-42sx52tn	146	35	knowledge	knowledge	NN
cord-288072-42sx52tn	146	36	exist	exist	VBP
cord-288072-42sx52tn	146	37	.	.	.
cord-288072-42sx52tn	147	1	Use	use	NN
cord-288072-42sx52tn	147	2	of	of	IN
cord-288072-42sx52tn	147	3	parallel	parallel	JJ
cord-288072-42sx52tn	147	4	CF	cf	NN
cord-288072-42sx52tn	147	5	and	and	CC
cord-288072-42sx52tn	147	6	HAl	hal	JJ
cord-288072-42sx52tn	147	7	procedures	procedure	NNS
cord-288072-42sx52tn	147	8	was	be	VBD
cord-288072-42sx52tn	147	9	based	base	VBN
cord-288072-42sx52tn	147	10	on	on	IN
cord-288072-42sx52tn	147	11	the	the	DT
cord-288072-42sx52tn	147	12	possibility	possibility	NN
cord-288072-42sx52tn	147	13	that	that	IN
cord-288072-42sx52tn	147	14	heterologous	heterologous	JJ
cord-288072-42sx52tn	147	15	crossreactions	crossreaction	NNS
cord-288072-42sx52tn	147	16	might	may	MD
cord-288072-42sx52tn	147	17	be	be	VB
cord-288072-42sx52tn	147	18	encountered	encounter	VBN
cord-288072-42sx52tn	147	19	;	;	:
cord-288072-42sx52tn	147	20	it	-PRON-	PRP
cord-288072-42sx52tn	147	21	seemed	seem	VBD
cord-288072-42sx52tn	147	22	more	more	RBR
cord-288072-42sx52tn	147	23	likely	likely	JJ
cord-288072-42sx52tn	147	24	that	that	IN
cord-288072-42sx52tn	147	25	there	there	EX
cord-288072-42sx52tn	147	26	would	would	MD
cord-288072-42sx52tn	147	27	be	be	VB
cord-288072-42sx52tn	147	28	agreement	agreement	NN
cord-288072-42sx52tn	147	29	between	between	IN
cord-288072-42sx52tn	147	30	the	the	DT
cord-288072-42sx52tn	147	31	two	two	CD
cord-288072-42sx52tn	147	32	tests	test	NNS
cord-288072-42sx52tn	147	33	when	when	WRB
cord-288072-42sx52tn	147	34	the	the	DT
cord-288072-42sx52tn	147	35	infecting	infect	VBG
cord-288072-42sx52tn	147	36	organism	organism	NN
cord-288072-42sx52tn	147	37	was	be	VBD
cord-288072-42sx52tn	147	38	closely	closely	RB
cord-288072-42sx52tn	147	39	related	relate	VBN
cord-288072-42sx52tn	147	40	to	to	IN
cord-288072-42sx52tn	147	41	OC43	OC43	NNP
cord-288072-42sx52tn	147	42	.	.	.
cord-288072-42sx52tn	148	1	Disagreement	disagreement	NN
cord-288072-42sx52tn	148	2	could	could	MD
cord-288072-42sx52tn	148	3	be	be	VB
cord-288072-42sx52tn	148	4	a	a	DT
cord-288072-42sx52tn	148	5	result	result	NN
cord-288072-42sx52tn	148	6	275	275	CD
cord-288072-42sx52tn	148	7	of	of	IN
cord-288072-42sx52tn	148	8	either	either	DT
cord-288072-42sx52tn	148	9	lack	lack	NN
cord-288072-42sx52tn	148	10	of	of	IN
cord-288072-42sx52tn	148	11	close	close	JJ
cord-288072-42sx52tn	148	12	relation	relation	NN
cord-288072-42sx52tn	148	13	between	between	IN
cord-288072-42sx52tn	148	14	the	the	DT
cord-288072-42sx52tn	148	15	infecting	infect	VBG
cord-288072-42sx52tn	148	16	organism	organism	NN
cord-288072-42sx52tn	148	17	and	and	CC
cord-288072-42sx52tn	148	18	OC43	OC43	NNP
cord-288072-42sx52tn	148	19	or	or	CC
cord-288072-42sx52tn	148	20	the	the	DT
cord-288072-42sx52tn	148	21	fact	fact	NN
cord-288072-42sx52tn	148	22	that	that	IN
cord-288072-42sx52tn	148	23	one	one	CD
cord-288072-42sx52tn	148	24	of	of	IN
cord-288072-42sx52tn	148	25	the	the	DT
cord-288072-42sx52tn	148	26	serologic	serologic	NNP
cord-288072-42sx52tn	148	27	tests	test	NNS
cord-288072-42sx52tn	148	28	was	be	VBD
cord-288072-42sx52tn	148	29	more	more	RBR
cord-288072-42sx52tn	148	30	sensitive	sensitive	JJ
cord-288072-42sx52tn	148	31	than	than	IN
cord-288072-42sx52tn	148	32	the	the	DT
cord-288072-42sx52tn	148	33	other	other	JJ
cord-288072-42sx52tn	148	34	.	.	.
cord-288072-42sx52tn	149	1	However	however	RB
cord-288072-42sx52tn	149	2	,	,	,
cord-288072-42sx52tn	149	3	in	in	IN
cord-288072-42sx52tn	149	4	terms	term	NNS
cord-288072-42sx52tn	149	5	of	of	IN
cord-288072-42sx52tn	149	6	differences	difference	NNS
cord-288072-42sx52tn	149	7	in	in	IN
cord-288072-42sx52tn	149	8	agreement	agreement	NN
cord-288072-42sx52tn	149	9	from	from	IN
cord-288072-42sx52tn	149	10	year	year	NN
cord-288072-42sx52tn	149	11	to	to	IN
cord-288072-42sx52tn	149	12	year	year	NN
cord-288072-42sx52tn	149	13	,	,	,
cord-288072-42sx52tn	149	14	the	the	DT
cord-288072-42sx52tn	149	15	former	former	JJ
cord-288072-42sx52tn	149	16	factor	factor	NN
cord-288072-42sx52tn	149	17	was	be	VBD
cord-288072-42sx52tn	149	18	operative	operative	JJ
cord-288072-42sx52tn	149	19	.	.	.
cord-288072-42sx52tn	150	1	The	the	DT
cord-288072-42sx52tn	150	2	viruses	virus	NNS
cord-288072-42sx52tn	150	3	in	in	IN
cord-288072-42sx52tn	150	4	circulation	circulation	NN
cord-288072-42sx52tn	150	5	in	in	IN
cord-288072-42sx52tn	150	6	1966	1966	CD
cord-288072-42sx52tn	150	7	and	and	CC
cord-288072-42sx52tn	150	8	1969	1969	CD
cord-288072-42sx52tn	150	9	were	be	VBD
cord-288072-42sx52tn	150	10	clearly	clearly	RB
cord-288072-42sx52tn	150	11	more	more	RBR
cord-288072-42sx52tn	150	12	closely	closely	RB
cord-288072-42sx52tn	150	13	related	related	JJ
cord-288072-42sx52tn	150	14	to	to	IN
cord-288072-42sx52tn	150	15	OC43	OC43	NNP
cord-288072-42sx52tn	150	16	than	than	IN
cord-288072-42sx52tn	150	17	those	those	DT
cord-288072-42sx52tn	150	18	in	in	IN
cord-288072-42sx52tn	150	19	circulation	circulation	NN
cord-288072-42sx52tn	150	20	in	in	IN
cord-288072-42sx52tn	150	21	1968	1968	CD
cord-288072-42sx52tn	150	22	,	,	,
cord-288072-42sx52tn	150	23	a	a	DT
cord-288072-42sx52tn	150	24	difference	difference	NN
cord-288072-42sx52tn	150	25	that	that	WDT
cord-288072-42sx52tn	150	26	would	would	MD
cord-288072-42sx52tn	150	27	not	not	RB
cord-288072-42sx52tn	150	28	have	have	VB
cord-288072-42sx52tn	150	29	been	be	VBN
cord-288072-42sx52tn	150	30	detected	detect	VBN
cord-288072-42sx52tn	150	31	had	have	VBN
cord-288072-42sx52tn	150	32	both	both	CC
cord-288072-42sx52tn	150	33	CF	CF	NNP
cord-288072-42sx52tn	150	34	and	and	CC
cord-288072-42sx52tn	150	35	HAl	HAl	NNP
cord-288072-42sx52tn	150	36	not	not	RB
cord-288072-42sx52tn	150	37	been	be	VBN
cord-288072-42sx52tn	150	38	used	use	VBN
cord-288072-42sx52tn	150	39	.	.	.
cord-288072-42sx52tn	151	1	Neutralization	neutralization	NN
cord-288072-42sx52tn	151	2	tests	test	NNS
cord-288072-42sx52tn	151	3	confirmed	confirm	VBD
cord-288072-42sx52tn	151	4	the	the	DT
cord-288072-42sx52tn	151	5	difference	difference	NN
cord-288072-42sx52tn	151	6	,	,	,
cord-288072-42sx52tn	151	7	and	and	CC
cord-288072-42sx52tn	151	8	indicated	indicate	VBD
cord-288072-42sx52tn	151	9	that	that	IN
cord-288072-42sx52tn	151	10	in	in	IN
cord-288072-42sx52tn	151	11	the	the	DT
cord-288072-42sx52tn	151	12	individual	individual	JJ
cord-288072-42sx52tn	151	13	case	case	NN
cord-288072-42sx52tn	151	14	during	during	IN
cord-288072-42sx52tn	151	15	a	a	DT
cord-288072-42sx52tn	151	16	period	period	NN
cord-288072-42sx52tn	151	17	of	of	IN
cord-288072-42sx52tn	151	18	prevalence	prevalence	NN
cord-288072-42sx52tn	151	19	of	of	IN
cord-288072-42sx52tn	151	20	agents	agent	NNS
cord-288072-42sx52tn	151	21	related	relate	VBN
cord-288072-42sx52tn	151	22	to	to	IN
cord-288072-42sx52tn	151	23	OC43	OC43	NNP
cord-288072-42sx52tn	151	24	,	,	,
cord-288072-42sx52tn	151	25	even	even	RB
cord-288072-42sx52tn	151	26	if	if	IN
cord-288072-42sx52tn	151	27	CF	CF	NNP
cord-288072-42sx52tn	151	28	and	and	CC
cord-288072-42sx52tn	151	29	HAl	HAl	NNPS
cord-288072-42sx52tn	151	30	do	do	VBP
cord-288072-42sx52tn	151	31	not	not	RB
cord-288072-42sx52tn	151	32	agree	agree	VB
cord-288072-42sx52tn	151	33	,	,	,
cord-288072-42sx52tn	151	34	it	-PRON-	PRP
cord-288072-42sx52tn	151	35	is	be	VBZ
cord-288072-42sx52tn	151	36	likely	likely	JJ
cord-288072-42sx52tn	151	37	that	that	IN
cord-288072-42sx52tn	151	38	an	an	DT
cord-288072-42sx52tn	151	39	infection	infection	NN
cord-288072-42sx52tn	151	40	with	with	IN
cord-288072-42sx52tn	151	41	the	the	DT
cord-288072-42sx52tn	151	42	agent	agent	NN
cord-288072-42sx52tn	151	43	actually	actually	RB
cord-288072-42sx52tn	151	44	did	do	VBD
cord-288072-42sx52tn	151	45	occur	occur	VB
cord-288072-42sx52tn	151	46	.	.	.
cord-288072-42sx52tn	152	1	It	-PRON-	PRP
cord-288072-42sx52tn	152	2	may	may	MD
cord-288072-42sx52tn	152	3	also	also	RB
cord-288072-42sx52tn	152	4	be	be	VB
cord-288072-42sx52tn	152	5	speculated	speculate	VBN
cord-288072-42sx52tn	152	6	that	that	IN
cord-288072-42sx52tn	152	7	some	some	DT
cord-288072-42sx52tn	152	8	minor	minor	JJ
cord-288072-42sx52tn	152	9	differences	difference	NNS
cord-288072-42sx52tn	152	10	existed	exist	VBD
cord-288072-42sx52tn	152	11	between	between	IN
cord-288072-42sx52tn	152	12	the	the	DT
cord-288072-42sx52tn	152	13	1966	1966	CD
cord-288072-42sx52tn	152	14	and	and	CC
cord-288072-42sx52tn	152	15	1969	1969	CD
cord-288072-42sx52tn	152	16	viruses	virus	NNS
cord-288072-42sx52tn	152	17	,	,	,
cord-288072-42sx52tn	152	18	since	since	IN
cord-288072-42sx52tn	152	19	CF	CF	NNP
cord-288072-42sx52tn	152	20	was	be	VBD
cord-288072-42sx52tn	152	21	more	more	RBR
cord-288072-42sx52tn	152	22	frequently	frequently	RB
cord-288072-42sx52tn	152	23	positive	positive	JJ
cord-288072-42sx52tn	152	24	in	in	IN
cord-288072-42sx52tn	152	25	the	the	DT
cord-288072-42sx52tn	152	26	former	former	JJ
cord-288072-42sx52tn	152	27	period	period	NN
cord-288072-42sx52tn	152	28	and	and	CC
cord-288072-42sx52tn	152	29	HAl	HAl	NNS
cord-288072-42sx52tn	152	30	in	in	IN
cord-288072-42sx52tn	152	31	the	the	DT
cord-288072-42sx52tn	152	32	latter	latter	JJ
cord-288072-42sx52tn	152	33	.	.	.
cord-288072-42sx52tn	153	1	The	the	DT
cord-288072-42sx52tn	153	2	annual	annual	JJ
cord-288072-42sx52tn	153	3	periodic	periodic	JJ
cord-288072-42sx52tn	153	4	pattern	pattern	NN
cord-288072-42sx52tn	153	5	of	of	IN
cord-288072-42sx52tn	153	6	coronavirus	coronavirus	NN
cord-288072-42sx52tn	153	7	infections	infection	NNS
cord-288072-42sx52tn	153	8	in	in	IN
cord-288072-42sx52tn	153	9	general	general	JJ
cord-288072-42sx52tn	153	10	is	be	VBZ
cord-288072-42sx52tn	153	11	clear	clear	JJ
cord-288072-42sx52tn	153	12	from	from	IN
cord-288072-42sx52tn	153	13	the	the	DT
cord-288072-42sx52tn	153	14	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	153	15	data	datum	NNS
cord-288072-42sx52tn	153	16	when	when	WRB
cord-288072-42sx52tn	153	17	the	the	DT
cord-288072-42sx52tn	153	18	1967	1967	CD
cord-288072-42sx52tn	153	19	229E	229e	CD
cord-288072-42sx52tn	153	20	outbreak	outbreak	NN
cord-288072-42sx52tn	153	21	is	be	VBZ
cord-288072-42sx52tn	153	22	included	include	VBN
cord-288072-42sx52tn	153	23	,	,	,
cord-288072-42sx52tn	153	24	and	and	CC
cord-288072-42sx52tn	153	25	is	be	VBZ
cord-288072-42sx52tn	153	26	in	in	IN
cord-288072-42sx52tn	153	27	agreement	agreement	NN
cord-288072-42sx52tn	153	28	with	with	IN
cord-288072-42sx52tn	153	29	the	the	DT
cord-288072-42sx52tn	153	30	findings	finding	NNS
cord-288072-42sx52tn	153	31	of	of	IN
cord-288072-42sx52tn	153	32	others	other	NNS
cord-288072-42sx52tn	153	33	[	[	-LRB-
cord-288072-42sx52tn	153	34	2	2	CD
cord-288072-42sx52tn	153	35	,	,	,
cord-288072-42sx52tn	153	36	3	3	CD
cord-288072-42sx52tn	153	37	,	,	,
cord-288072-42sx52tn	153	38	8	8	CD
cord-288072-42sx52tn	153	39	]	]	-RRB-
cord-288072-42sx52tn	153	40	.	.	.
cord-288072-42sx52tn	154	1	The	the	DT
cord-288072-42sx52tn	154	2	outbreaks	outbreak	NNS
cord-288072-42sx52tn	154	3	take	take	VBP
cord-288072-42sx52tn	154	4	place	place	NN
cord-288072-42sx52tn	154	5	in	in	IN
cord-288072-42sx52tn	154	6	the	the	DT
cord-288072-42sx52tn	154	7	period	period	NN
cord-288072-42sx52tn	154	8	of	of	IN
cord-288072-42sx52tn	154	9	late	late	JJ
cord-288072-42sx52tn	154	10	winter	winter	NN
cord-288072-42sx52tn	154	11	through	through	IN
cord-288072-42sx52tn	154	12	early	early	JJ
cord-288072-42sx52tn	154	13	spring	spring	NN
cord-288072-42sx52tn	154	14	,	,	,
cord-288072-42sx52tn	154	15	with	with	IN
cord-288072-42sx52tn	154	16	sporadic	sporadic	JJ
cord-288072-42sx52tn	154	17	infections	infection	NNS
cord-288072-42sx52tn	154	18	at	at	IN
cord-288072-42sx52tn	154	19	other	other	JJ
cord-288072-42sx52tn	154	20	times	time	NNS
cord-288072-42sx52tn	154	21	of	of	IN
cord-288072-42sx52tn	154	22	the	the	DT
cord-288072-42sx52tn	154	23	year	year	NN
cord-288072-42sx52tn	154	24	.	.	.
cord-288072-42sx52tn	155	1	A	a	DT
cord-288072-42sx52tn	155	2	longer	long	JJR
cord-288072-42sx52tn	155	3	cycle	cycle	NN
cord-288072-42sx52tn	155	4	for	for	IN
cord-288072-42sx52tn	155	5	a	a	DT
cord-288072-42sx52tn	155	6	specific	specific	JJ
cord-288072-42sx52tn	155	7	virus	virus	NN
cord-288072-42sx52tn	155	8	type	type	NN
cord-288072-42sx52tn	155	9	can	can	MD
cord-288072-42sx52tn	155	10	also	also	RB
cord-288072-42sx52tn	155	11	be	be	VB
cord-288072-42sx52tn	155	12	deduced	deduce	VBN
cord-288072-42sx52tn	155	13	from	from	IN
cord-288072-42sx52tn	155	14	the	the	DT
cord-288072-42sx52tn	155	15	data	datum	NNS
cord-288072-42sx52tn	155	16	.	.	.
cord-288072-42sx52tn	156	1	The	the	DT
cord-288072-42sx52tn	156	2	period	period	NN
cord-288072-42sx52tn	156	3	between	between	IN
cord-288072-42sx52tn	156	4	the	the	DT
cord-288072-42sx52tn	156	5	OC43-like	OC43-like	NNP
cord-288072-42sx52tn	156	6	outbreaks	outbreak	NNS
cord-288072-42sx52tn	156	7	was	be	VBD
cord-288072-42sx52tn	156	8	three	three	CD
cord-288072-42sx52tn	156	9	years	year	NNS
cord-288072-42sx52tn	156	10	.	.	.
cord-288072-42sx52tn	157	1	Periods	period	NNS
cord-288072-42sx52tn	157	2	of	of	IN
cord-288072-42sx52tn	157	3	high	high	JJ
cord-288072-42sx52tn	157	4	incidence	incidence	NN
cord-288072-42sx52tn	157	5	of	of	IN
cord-288072-42sx52tn	157	6	229E	229e	CD
cord-288072-42sx52tn	157	7	infections	infection	NNS
cord-288072-42sx52tn	157	8	have	have	VBP
cord-288072-42sx52tn	157	9	also	also	RB
cord-288072-42sx52tn	157	10	been	be	VBN
cord-288072-42sx52tn	157	11	reported	report	VBN
cord-288072-42sx52tn	157	12	to	to	TO
cord-288072-42sx52tn	157	13	recur	recur	VB
cord-288072-42sx52tn	157	14	on	on	IN
cord-288072-42sx52tn	157	15	a	a	DT
cord-288072-42sx52tn	157	16	two	two	CD
cord-288072-42sx52tn	157	17	-	-	HYPH
cord-288072-42sx52tn	157	18	or	or	CC
cord-288072-42sx52tn	157	19	three	three	CD
cord-288072-42sx52tn	157	20	-	-	HYPH
cord-288072-42sx52tn	157	21	year	year	NN
cord-288072-42sx52tn	157	22	cycle	cycle	NN
cord-288072-42sx52tn	157	23	[	[	-LRB-
cord-288072-42sx52tn	157	24	19	19	CD
cord-288072-42sx52tn	157	25	]	]	-RRB-
cord-288072-42sx52tn	157	26	.	.	.
cord-288072-42sx52tn	158	1	The	the	DT
cord-288072-42sx52tn	158	2	repetitive	repetitive	JJ
cord-288072-42sx52tn	158	3	activity	activity	NN
cord-288072-42sx52tn	158	4	of	of	IN
cord-288072-42sx52tn	158	5	specific	specific	JJ
cord-288072-42sx52tn	158	6	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	158	7	and	and	CC
cord-288072-42sx52tn	158	8	the	the	DT
cord-288072-42sx52tn	158	9	fact	fact	NN
cord-288072-42sx52tn	158	10	that	that	IN
cord-288072-42sx52tn	158	11	they	-PRON-	PRP
cord-288072-42sx52tn	158	12	cause	cause	VBP
cord-288072-42sx52tn	158	13	large	large	JJ
cord-288072-42sx52tn	158	14	-	-	HYPH
cord-288072-42sx52tn	158	15	scale	scale	NN
cord-288072-42sx52tn	158	16	outbreaks	outbreak	NNS
cord-288072-42sx52tn	158	17	of	of	IN
cord-288072-42sx52tn	158	18	infection	infection	NN
cord-288072-42sx52tn	158	19	is	be	VBZ
cord-288072-42sx52tn	158	20	in	in	IN
cord-288072-42sx52tn	158	21	marked	mark	VBN
cord-288072-42sx52tn	158	22	contrast	contrast	NN
cord-288072-42sx52tn	158	23	to	to	IN
cord-288072-42sx52tn	158	24	the	the	DT
cord-288072-42sx52tn	158	25	situation	situation	NN
cord-288072-42sx52tn	158	26	with	with	IN
cord-288072-42sx52tn	158	27	the	the	DT
cord-288072-42sx52tn	158	28	rhinoviruses	rhinovirus	NNS
cord-288072-42sx52tn	158	29	.	.	.
cord-288072-42sx52tn	159	1	Cycling	cycle	VBG
cord-288072-42sx52tn	159	2	of	of	IN
cord-288072-42sx52tn	159	3	these	these	DT
cord-288072-42sx52tn	159	4	agents	agent	NNS
cord-288072-42sx52tn	159	5	occurs	occur	VBZ
cord-288072-42sx52tn	159	6	but	but	CC
cord-288072-42sx52tn	159	7	not	not	RB
cord-288072-42sx52tn	159	8	on	on	IN
cord-288072-42sx52tn	159	9	any	any	DT
cord-288072-42sx52tn	159	10	sort	sort	NN
cord-288072-42sx52tn	159	11	of	of	IN
cord-288072-42sx52tn	159	12	a	a	DT
cord-288072-42sx52tn	159	13	regular	regular	JJ
cord-288072-42sx52tn	159	14	or	or	CC
cord-288072-42sx52tn	159	15	predictable	predictable	JJ
cord-288072-42sx52tn	159	16	basis	basis	NN
cord-288072-42sx52tn	159	17	.	.	.
cord-288072-42sx52tn	160	1	However	however	RB
cord-288072-42sx52tn	160	2	,	,	,
cord-288072-42sx52tn	160	3	the	the	DT
cord-288072-42sx52tn	160	4	number	number	NN
cord-288072-42sx52tn	160	5	of	of	IN
cord-288072-42sx52tn	160	6	infections	infection	NNS
cord-288072-42sx52tn	160	7	caused	cause	VBN
cord-288072-42sx52tn	160	8	at	at	IN
cord-288072-42sx52tn	160	9	anyone	anyone	NN
cord-288072-42sx52tn	160	10	time	time	NN
cord-288072-42sx52tn	160	11	is	be	VBZ
cord-288072-42sx52tn	160	12	low	low	JJ
cord-288072-42sx52tn	160	13	,	,	,
cord-288072-42sx52tn	160	14	and	and	CC
cord-288072-42sx52tn	160	15	many	many	JJ
cord-288072-42sx52tn	160	16	agents	agent	NNS
cord-288072-42sx52tn	160	17	take	take	VBP
cord-288072-42sx52tn	160	18	part	part	NN
cord-288072-42sx52tn	160	19	in	in	IN
cord-288072-42sx52tn	160	20	a	a	DT
cord-288072-42sx52tn	160	21	single	single	JJ
cord-288072-42sx52tn	160	22	peak	peak	NN
cord-288072-42sx52tn	160	23	of	of	IN
cord-288072-42sx52tn	160	24	illness	illness	NN
cord-288072-42sx52tn	160	25	[	[	-LRB-
cord-288072-42sx52tn	160	26	20	20	CD
cord-288072-42sx52tn	160	27	]	]	-RRB-
cord-288072-42sx52tn	160	28	.	.	.
cord-288072-42sx52tn	161	1	The	the	DT
cord-288072-42sx52tn	161	2	fact	fact	NN
cord-288072-42sx52tn	161	3	that	that	IN
cord-288072-42sx52tn	161	4	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	161	5	individually	individually	RB
cord-288072-42sx52tn	161	6	seem	seem	VBP
cord-288072-42sx52tn	161	7	to	to	TO
cord-288072-42sx52tn	161	8	cycle	cycle	VB
cord-288072-42sx52tn	161	9	more	more	RBR
cord-288072-42sx52tn	161	10	regularly	regularly	RB
cord-288072-42sx52tn	161	11	and	and	CC
cord-288072-42sx52tn	161	12	cause	cause	VB
cord-288072-42sx52tn	161	13	many	many	JJ
cord-288072-42sx52tn	161	14	infections	infection	NNS
cord-288072-42sx52tn	161	15	suggests	suggest	VBZ
cord-288072-42sx52tn	161	16	that	that	IN
cord-288072-42sx52tn	161	17	there	there	EX
cord-288072-42sx52tn	161	18	are	be	VBP
cord-288072-42sx52tn	161	19	a	a	DT
cord-288072-42sx52tn	161	20	reasonably	reasonably	RB
cord-288072-42sx52tn	161	21	small	small	JJ
cord-288072-42sx52tn	161	22	number	number	NN
cord-288072-42sx52tn	161	23	of	of	IN
cord-288072-42sx52tn	161	24	these	these	DT
cord-288072-42sx52tn	161	25	agents	agent	NNS
cord-288072-42sx52tn	161	26	in	in	IN
cord-288072-42sx52tn	161	27	existence	existence	NN
cord-288072-42sx52tn	161	28	.	.	.
cord-288072-42sx52tn	162	1	This	this	DT
cord-288072-42sx52tn	162	2	has	have	VBZ
cord-288072-42sx52tn	162	3	positive	positive	JJ
cord-288072-42sx52tn	162	4	implications	implication	NNS
cord-288072-42sx52tn	162	5	in	in	IN
cord-288072-42sx52tn	162	6	terms	term	NNS
cord-288072-42sx52tn	162	7	of	of	IN
cord-288072-42sx52tn	162	8	control	control	NN
cord-288072-42sx52tn	162	9	.	.	.
cord-288072-42sx52tn	163	1	However	however	RB
cord-288072-42sx52tn	163	2	,	,	,
cord-288072-42sx52tn	163	3	reinfection	reinfection	NN
cord-288072-42sx52tn	163	4	with	with	IN
cord-288072-42sx52tn	163	5	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	163	6	is	be	VBZ
cord-288072-42sx52tn	163	7	a	a	DT
cord-288072-42sx52tn	163	8	very	very	RB
cord-288072-42sx52tn	163	9	frequent	frequent	JJ
cord-288072-42sx52tn	163	10	event	event	NN
cord-288072-42sx52tn	163	11	.	.	.
cord-288072-42sx52tn	164	1	In	in	IN
cord-288072-42sx52tn	164	2	the	the	DT
cord-288072-42sx52tn	164	3	present	present	JJ
cord-288072-42sx52tn	164	4	study	study	NN
cord-288072-42sx52tn	164	5	,	,	,
cord-288072-42sx52tn	164	6	81.5	81.5	CD
cord-288072-42sx52tn	164	7	%	%	NN
cord-288072-42sx52tn	164	8	of	of	IN
cord-288072-42sx52tn	164	9	the	the	DT
cord-288072-42sx52tn	164	10	infections	infection	NNS
cord-288072-42sx52tn	164	11	studied	study	VBN
cord-288072-42sx52tn	164	12	by	by	IN
cord-288072-42sx52tn	164	13	the	the	DT
cord-288072-42sx52tn	164	14	neutralization	neutralization	NN
cord-288072-42sx52tn	164	15	tests	test	NNS
cord-288072-42sx52tn	164	16	occurred	occur	VBD
cord-288072-42sx52tn	164	17	despite	despite	IN
cord-288072-42sx52tn	164	18	prior	prior	RB
cord-288072-42sx52tn	164	19	neutralizing	neutralize	VBG
cord-288072-42sx52tn	164	20	antibody	antibody	NN
cord-288072-42sx52tn	164	21	.	.	.
cord-288072-42sx52tn	165	1	Others	other	NNS
cord-288072-42sx52tn	165	2	have	have	VBP
cord-288072-42sx52tn	165	3	also	also	RB
cord-288072-42sx52tn	165	4	noted	note	VBN
cord-288072-42sx52tn	165	5	that	that	IN
cord-288072-42sx52tn	165	6	antibody	antibody	NN
cord-288072-42sx52tn	165	7	is	be	VBZ
cord-288072-42sx52tn	165	8	usually	usually	RB
cord-288072-42sx52tn	165	9	present	present	JJ
cord-288072-42sx52tn	165	10	before	before	IN
cord-288072-42sx52tn	165	11	a	a	DT
cord-288072-42sx52tn	165	12	rise	rise	NN
cord-288072-42sx52tn	165	13	in	in	IN
cord-288072-42sx52tn	165	14	titer	titer	NN
cord-288072-42sx52tn	165	15	and	and	CC
cord-288072-42sx52tn	165	16	have	have	VBP
cord-288072-42sx52tn	165	17	thus	thus	RB
cord-288072-42sx52tn	165	18	called	call	VBN
cord-288072-42sx52tn	165	19	into	into	IN
cord-288072-42sx52tn	165	20	question	question	NN
cord-288072-42sx52tn	165	21	the	the	DT
cord-288072-42sx52tn	165	22	protective	protective	JJ
cord-288072-42sx52tn	165	23	value	value	NN
cord-288072-42sx52tn	165	24	of	of	IN
cord-288072-42sx52tn	165	25	this	this	DT
cord-288072-42sx52tn	165	26	circulating	circulate	VBG
cord-288072-42sx52tn	165	27	neutralizing	neutralize	VBG
cord-288072-42sx52tn	165	28	antibody	antibody	NN
cord-288072-42sx52tn	165	29	[	[	-LRB-
cord-288072-42sx52tn	165	30	9	9	CD
cord-288072-42sx52tn	165	31	,	,	,
cord-288072-42sx52tn	165	32	19	19	CD
cord-288072-42sx52tn	165	33	]	]	-RRB-
cord-288072-42sx52tn	165	34	.	.	.
cord-288072-42sx52tn	166	1	The	the	DT
cord-288072-42sx52tn	166	2	occurrence	occurrence	NN
cord-288072-42sx52tn	166	3	of	of	IN
cord-288072-42sx52tn	166	4	reinfections	reinfection	NNS
cord-288072-42sx52tn	166	5	explains	explain	VBZ
cord-288072-42sx52tn	166	6	,	,	,
cord-288072-42sx52tn	166	7	in	in	IN
cord-288072-42sx52tn	166	8	part	part	NN
cord-288072-42sx52tn	166	9	,	,	,
cord-288072-42sx52tn	166	10	the	the	DT
cord-288072-42sx52tn	166	11	age	age	NN
cord-288072-42sx52tn	166	12	-	-	HYPH
cord-288072-42sx52tn	166	13	specific	specific	JJ
cord-288072-42sx52tn	166	14	patterns	pattern	NNS
cord-288072-42sx52tn	166	15	observed	observe	VBN
cord-288072-42sx52tn	166	16	with	with	IN
cord-288072-42sx52tn	166	17	OC43	OC43	NNP
cord-288072-42sx52tn	166	18	infection	infection	NN
cord-288072-42sx52tn	166	19	in	in	IN
cord-288072-42sx52tn	166	20	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	166	21	.	.	.
cord-288072-42sx52tn	167	1	Antibody	antibody	NN
cord-288072-42sx52tn	167	2	is	be	VBZ
cord-288072-42sx52tn	167	3	acquired	acquire	VBN
cord-288072-42sx52tn	167	4	early	early	RB
cord-288072-42sx52tn	167	5	in	in	IN
cord-288072-42sx52tn	167	6	life	life	NN
cord-288072-42sx52tn	167	7	,	,	,
cord-288072-42sx52tn	167	8	as	as	IN
cord-288072-42sx52tn	167	9	shown	show	VBN
cord-288072-42sx52tn	167	10	by	by	IN
cord-288072-42sx52tn	167	11	high	high	JJ
cord-288072-42sx52tn	167	12	incidence	incidence	NN
cord-288072-42sx52tn	167	13	of	of	IN
cord-288072-42sx52tn	167	14	infection	infection	NN
cord-288072-42sx52tn	167	15	in	in	IN
cord-288072-42sx52tn	167	16	children	child	NNS
cord-288072-42sx52tn	167	17	less	less	JJR
cord-288072-42sx52tn	167	18	than	than	IN
cord-288072-42sx52tn	167	19	five	five	CD
cord-288072-42sx52tn	167	20	years	year	NNS
cord-288072-42sx52tn	167	21	of	of	IN
cord-288072-42sx52tn	167	22	age	age	NN
cord-288072-42sx52tn	167	23	.	.	.
cord-288072-42sx52tn	168	1	Subsequently	subsequently	RB
cord-288072-42sx52tn	168	2	,	,	,
cord-288072-42sx52tn	168	3	reinfection	reinfection	NN
cord-288072-42sx52tn	168	4	is	be	VBZ
cord-288072-42sx52tn	168	5	frequent	frequent	JJ
cord-288072-42sx52tn	168	6	in	in	IN
cord-288072-42sx52tn	168	7	older	old	JJR
cord-288072-42sx52tn	168	8	children	child	NNS
cord-288072-42sx52tn	168	9	and	and	CC
cord-288072-42sx52tn	168	10	in	in	IN
cord-288072-42sx52tn	168	11	adults	adult	NNS
cord-288072-42sx52tn	168	12	.	.	.
cord-288072-42sx52tn	169	1	This	this	DT
cord-288072-42sx52tn	169	2	frequency	frequency	NN
cord-288072-42sx52tn	169	3	of	of	IN
cord-288072-42sx52tn	169	4	infection	infection	NN
cord-288072-42sx52tn	169	5	in	in	IN
cord-288072-42sx52tn	169	6	adults	adult	NNS
cord-288072-42sx52tn	169	7	may	may	MD
cord-288072-42sx52tn	169	8	explain	explain	VB
cord-288072-42sx52tn	169	9	the	the	DT
cord-288072-42sx52tn	169	10	relation	relation	NN
cord-288072-42sx52tn	169	11	of	of	IN
cord-288072-42sx52tn	169	12	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	169	13	to	to	IN
cord-288072-42sx52tn	169	14	exacerbations	exacerbation	NNS
cord-288072-42sx52tn	169	15	of	of	IN
cord-288072-42sx52tn	169	16	chronic	chronic	JJ
cord-288072-42sx52tn	169	17	bronchitis	bronchitis	NN
cord-288072-42sx52tn	169	18	[	[	-LRB-
cord-288072-42sx52tn	169	19	21	21	CD
cord-288072-42sx52tn	169	20	]	]	-RRB-
cord-288072-42sx52tn	169	21	.	.	.
cord-288072-42sx52tn	170	1	The	the	DT
cord-288072-42sx52tn	170	2	proportion	proportion	NN
cord-288072-42sx52tn	170	3	of	of	IN
cord-288072-42sx52tn	170	4	the	the	DT
cord-288072-42sx52tn	170	5	OC43	OC43	NNP
cord-288072-42sx52tn	170	6	infections	infection	NNS
cord-288072-42sx52tn	170	7	detected	detect	VBD
cord-288072-42sx52tn	170	8	serologically	serologically	RB
cord-288072-42sx52tn	170	9	that	that	WDT
cord-288072-42sx52tn	170	10	were	be	VBD
cord-288072-42sx52tn	170	11	expressed	express	VBN
cord-288072-42sx52tn	170	12	as	as	IN
cord-288072-42sx52tn	170	13	clinical	clinical	JJ
cord-288072-42sx52tn	170	14	illness	illness	NN
cord-288072-42sx52tn	170	15	is	be	VBZ
cord-288072-42sx52tn	170	16	difficult	difficult	JJ
cord-288072-42sx52tn	170	17	to	to	TO
cord-288072-42sx52tn	170	18	assess	assess	VB
cord-288072-42sx52tn	170	19	.	.	.
cord-288072-42sx52tn	171	1	Kaye	Kaye	NNP
cord-288072-42sx52tn	171	2	et	et	NNP
cord-288072-42sx52tn	171	3	al	al	NNP
cord-288072-42sx52tn	171	4	.	.	NNP
cord-288072-42sx52tn	171	5	found	find	VBD
cord-288072-42sx52tn	171	6	that	that	IN
cord-288072-42sx52tn	171	7	47.3	47.3	CD
cord-288072-42sx52tn	171	8	%	%	NN
cord-288072-42sx52tn	171	9	of	of	IN
cord-288072-42sx52tn	171	10	infections	infection	NNS
cord-288072-42sx52tn	171	11	detected	detect	VBN
cord-288072-42sx52tn	171	12	in	in	IN
cord-288072-42sx52tn	171	13	children	child	NNS
cord-288072-42sx52tn	171	14	by	by	IN
cord-288072-42sx52tn	171	15	HAl	HAl	NNS
cord-288072-42sx52tn	171	16	were	be	VBD
cord-288072-42sx52tn	171	17	accompanied	accompany	VBN
cord-288072-42sx52tn	171	18	by	by	IN
cord-288072-42sx52tn	171	19	illness	illness	NN
cord-288072-42sx52tn	171	20	[	[	-LRB-
cord-288072-42sx52tn	171	21	4	4	CD
cord-288072-42sx52tn	171	22	]	]	-RRB-
cord-288072-42sx52tn	171	23	.	.	.
cord-288072-42sx52tn	172	1	If	if	IN
cord-288072-42sx52tn	172	2	such	such	PDT
cord-288072-42sx52tn	172	3	a	a	DT
cord-288072-42sx52tn	172	4	ratio	ratio	NN
cord-288072-42sx52tn	172	5	prevailed	prevail	VBD
cord-288072-42sx52tn	172	6	in	in	IN
cord-288072-42sx52tn	172	7	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	172	8	in	in	IN
cord-288072-42sx52tn	172	9	the	the	DT
cord-288072-42sx52tn	172	10	1969	1969	CD
cord-288072-42sx52tn	172	11	outbreak	outbreak	NN
cord-288072-42sx52tn	172	12	,	,	,
cord-288072-42sx52tn	172	13	it	-PRON-	PRP
cord-288072-42sx52tn	172	14	would	would	MD
cord-288072-42sx52tn	172	15	mean	mean	VB
cord-288072-42sx52tn	172	16	that	that	IN
cord-288072-42sx52tn	172	17	12.1	12.1	CD
cord-288072-42sx52tn	172	18	%	%	NN
cord-288072-42sx52tn	172	19	of	of	IN
cord-288072-42sx52tn	172	20	all	all	DT
cord-288072-42sx52tn	172	21	individuals	individual	NNS
cord-288072-42sx52tn	172	22	experienced	experience	VBD
cord-288072-42sx52tn	172	23	a	a	DT
cord-288072-42sx52tn	172	24	symptomatic	symptomatic	JJ
cord-288072-42sx52tn	172	25	infection	infection	NN
cord-288072-42sx52tn	172	26	during	during	IN
cord-288072-42sx52tn	172	27	the	the	DT
cord-288072-42sx52tn	172	28	course	course	NN
cord-288072-42sx52tn	172	29	of	of	IN
cord-288072-42sx52tn	172	30	a	a	DT
cord-288072-42sx52tn	172	31	single	single	JJ
cord-288072-42sx52tn	172	32	season	season	NN
cord-288072-42sx52tn	172	33	.	.	.
cord-288072-42sx52tn	173	1	Clearly	clearly	RB
cord-288072-42sx52tn	173	2	the	the	DT
cord-288072-42sx52tn	173	3	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	173	4	make	make	VBP
cord-288072-42sx52tn	173	5	a	a	DT
cord-288072-42sx52tn	173	6	major	major	JJ
cord-288072-42sx52tn	173	7	contribution	contribution	NN
cord-288072-42sx52tn	173	8	to	to	IN
cord-288072-42sx52tn	173	9	the	the	DT
cord-288072-42sx52tn	173	10	overall	overall	JJ
cord-288072-42sx52tn	173	11	burden	burden	NN
cord-288072-42sx52tn	173	12	of	of	IN
cord-288072-42sx52tn	173	13	respiratory	respiratory	JJ
cord-288072-42sx52tn	173	14	illnesses	illness	NNS
cord-288072-42sx52tn	173	15	.	.	.
cord-288072-42sx52tn	174	1	Although	although	IN
cord-288072-42sx52tn	174	2	illnesses	illness	NNS
cord-288072-42sx52tn	174	3	caused	cause	VBN
cord-288072-42sx52tn	174	4	appear	appear	VBP
cord-288072-42sx52tn	174	5	to	to	TO
cord-288072-42sx52tn	174	6	be	be	VB
cord-288072-42sx52tn	174	7	mild	mild	JJ
cord-288072-42sx52tn	174	8	,	,	,
cord-288072-42sx52tn	174	9	their	-PRON-	PRP$
cord-288072-42sx52tn	174	10	frequency	frequency	NN
cord-288072-42sx52tn	174	11	and	and	CC
cord-288072-42sx52tn	174	12	possible	possible	JJ
cord-288072-42sx52tn	174	13	relation	relation	NN
cord-288072-42sx52tn	174	14	to	to	IN
cord-288072-42sx52tn	174	15	chronic	chronic	JJ
cord-288072-42sx52tn	174	16	respiratory	respiratory	JJ
cord-288072-42sx52tn	174	17	disease	disease	NN
cord-288072-42sx52tn	174	18	makes	make	VBZ
cord-288072-42sx52tn	174	19	further	further	JJ
cord-288072-42sx52tn	174	20	understanding	understanding	NN
cord-288072-42sx52tn	174	21	of	of	IN
cord-288072-42sx52tn	174	22	their	-PRON-	PRP$
cord-288072-42sx52tn	174	23	behavior	behavior	NN
cord-288072-42sx52tn	174	24	essential	essential	JJ
cord-288072-42sx52tn	174	25	.	.	.
cord-288072-42sx52tn	175	1	Isolation	isolation	NN
cord-288072-42sx52tn	175	2	from	from	IN
cord-288072-42sx52tn	175	3	man	man	NN
cord-288072-42sx52tn	175	4	of	of	IN
cord-288072-42sx52tn	175	5	"	"	``
cord-288072-42sx52tn	175	6	avian	avian	JJ
cord-288072-42sx52tn	175	7	infectious	infectious	JJ
cord-288072-42sx52tn	175	8	bronchitis	bronchitis	NN
cord-288072-42sx52tn	175	9	virus	virus	NN
cord-288072-42sx52tn	175	10	-	-	:
cord-288072-42sx52tn	175	11	like	like	JJ
cord-288072-42sx52tn	175	12	"	"	``
cord-288072-42sx52tn	175	13	viruses	virus	NNS
cord-288072-42sx52tn	175	14	(	(	-LRB-
cord-288072-42sx52tn	175	15	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	175	16	)	)	-RRB-
cord-288072-42sx52tn	175	17	similar	similar	JJ
cord-288072-42sx52tn	175	18	to	to	IN
cord-288072-42sx52tn	175	19	229E	229e	CD
cord-288072-42sx52tn	175	20	virus	virus	NN
cord-288072-42sx52tn	175	21	,	,	,
cord-288072-42sx52tn	175	22	with	with	IN
cord-288072-42sx52tn	175	23	some	some	DT
cord-288072-42sx52tn	175	24	epidemiological	epidemiological	JJ
cord-288072-42sx52tn	175	25	observations	observation	NNS
cord-288072-42sx52tn	175	26	Coronavirus	Coronavirus	NNP
cord-288072-42sx52tn	175	27	infections	infection	NNS
cord-288072-42sx52tn	175	28	in	in	IN
cord-288072-42sx52tn	175	29	working	work	VBG
cord-288072-42sx52tn	175	30	adults	adult	NNS
cord-288072-42sx52tn	175	31	:	:	:
cord-288072-42sx52tn	175	32	eight	eight	CD
cord-288072-42sx52tn	175	33	-	-	HYPH
cord-288072-42sx52tn	175	34	year	year	NN
cord-288072-42sx52tn	175	35	study	study	NN
cord-288072-42sx52tn	175	36	with	with	IN
cord-288072-42sx52tn	175	37	229E	229e	CD
cord-288072-42sx52tn	175	38	and	and	CC
cord-288072-42sx52tn	175	39	OC	OC	NNP
cord-288072-42sx52tn	175	40	43	43	CD
cord-288072-42sx52tn	175	41	Seroepidemiologic	Seroepidemiologic	NNP
cord-288072-42sx52tn	175	42	studies	study	NNS
cord-288072-42sx52tn	175	43	of	of	IN
cord-288072-42sx52tn	175	44	coronavirus	coronavirus	NN
cord-288072-42sx52tn	175	45	infection	infection	NN
cord-288072-42sx52tn	175	46	in	in	IN
cord-288072-42sx52tn	175	47	adults	adult	NNS
cord-288072-42sx52tn	175	48	and	and	CC
cord-288072-42sx52tn	175	49	children	child	NNS
cord-288072-42sx52tn	176	1	Seroepidemiologic	Seroepidemiologic	NNP
cord-288072-42sx52tn	176	2	survey	survey	NN
cord-288072-42sx52tn	176	3	of	of	IN
cord-288072-42sx52tn	176	4	coronavirus	coronavirus	NN
cord-288072-42sx52tn	176	5	(	(	-LRB-
cord-288072-42sx52tn	176	6	strain	strain	NN
cord-288072-42sx52tn	176	7	OC	OC	NNP
cord-288072-42sx52tn	176	8	43	43	CD
cord-288072-42sx52tn	176	9	)	)	-RRB-
cord-288072-42sx52tn	176	10	related	relate	VBN
cord-288072-42sx52tn	176	11	infections	infection	NNS
cord-288072-42sx52tn	176	12	in	in	IN
cord-288072-42sx52tn	176	13	a	a	DT
cord-288072-42sx52tn	176	14	children	child	NNS
cord-288072-42sx52tn	176	15	's	's	POS
cord-288072-42sx52tn	176	16	population	population	NN
cord-288072-42sx52tn	176	17	A	a	DT
cord-288072-42sx52tn	176	18	new	new	JJ
cord-288072-42sx52tn	176	19	virus	virus	NN
cord-288072-42sx52tn	176	20	isolated	isolate	VBN
cord-288072-42sx52tn	176	21	from	from	IN
cord-288072-42sx52tn	176	22	the	the	DT
cord-288072-42sx52tn	176	23	human	human	JJ
cord-288072-42sx52tn	176	24	respiratory	respiratory	JJ
cord-288072-42sx52tn	176	25	tract	tract	NN
cord-288072-42sx52tn	176	26	Growth	growth	NN
cord-288072-42sx52tn	176	27	in	in	IN
cord-288072-42sx52tn	176	28	suckling	suckle	VBG
cord-288072-42sx52tn	176	29	-	-	HYPH
cord-288072-42sx52tn	176	30	mouse	mouse	NN
cord-288072-42sx52tn	176	31	brain	brain	NN
cord-288072-42sx52tn	176	32	of	of	IN
cord-288072-42sx52tn	176	33	"	"	``
cord-288072-42sx52tn	176	34	IBV	IBV	NNP
cord-288072-42sx52tn	176	35	-	-	HYPH
cord-288072-42sx52tn	176	36	like	like	JJ
cord-288072-42sx52tn	176	37	"	"	''
cord-288072-42sx52tn	176	38	viruses	virus	NNS
cord-288072-42sx52tn	176	39	from	from	IN
cord-288072-42sx52tn	176	40	patients	patient	NNS
cord-288072-42sx52tn	176	41	with	with	IN
cord-288072-42sx52tn	176	42	upper	upper	JJ
cord-288072-42sx52tn	176	43	respiratory	respiratory	JJ
cord-288072-42sx52tn	176	44	tract	tract	NN
cord-288072-42sx52tn	176	45	disease	disease	NN
cord-288072-42sx52tn	177	1	The	the	DT
cord-288072-42sx52tn	177	2	adaptation	adaptation	NN
cord-288072-42sx52tn	177	3	of	of	IN
cord-288072-42sx52tn	177	4	two	two	CD
cord-288072-42sx52tn	177	5	human	human	JJ
cord-288072-42sx52tn	177	6	corona	corona	NN
cord-288072-42sx52tn	177	7	-	-	HYPH
cord-288072-42sx52tn	177	8	Monto	Monto	NNP
cord-288072-42sx52tn	177	9	and	and	CC
cord-288072-42sx52tn	177	10	Lim	Lim	NNP
cord-288072-42sx52tn	177	11	virus	virus	NN
cord-288072-42sx52tn	177	12	strains	strain	NNS
cord-288072-42sx52tn	177	13	(	(	-LRB-
cord-288072-42sx52tn	177	14	OC38	OC38	NNP
cord-288072-42sx52tn	177	15	and	and	CC
cord-288072-42sx52tn	177	16	OC43	OC43	NNP
cord-288072-42sx52tn	177	17	)	)	-RRB-
cord-288072-42sx52tn	177	18	to	to	IN
cord-288072-42sx52tn	177	19	growth	growth	NN
cord-288072-42sx52tn	177	20	in	in	IN
cord-288072-42sx52tn	177	21	cell	cell	NN
cord-288072-42sx52tn	177	22	monolayers	monolayer	NNS
cord-288072-42sx52tn	178	1	Some	some	DT
cord-288072-42sx52tn	178	2	characteristics	characteristic	NNS
cord-288072-42sx52tn	178	3	of	of	IN
cord-288072-42sx52tn	178	4	hemagglutination	hemagglutination	NN
cord-288072-42sx52tn	178	5	of	of	IN
cord-288072-42sx52tn	178	6	certain	certain	JJ
cord-288072-42sx52tn	178	7	strains	strain	NNS
cord-288072-42sx52tn	178	8	of	of	IN
cord-288072-42sx52tn	178	9	"	"	``
cord-288072-42sx52tn	178	10	IBVlike	IBVlike	NNP
cord-288072-42sx52tn	178	11	"	"	''
cord-288072-42sx52tn	178	12	virus	virus	NN
cord-288072-42sx52tn	178	13	Hemadsorption	hemadsorption	NN
cord-288072-42sx52tn	178	14	by	by	IN
cord-288072-42sx52tn	178	15	coronavirus	coronavirus	NN
cord-288072-42sx52tn	178	16	strain	strain	VBP
cord-288072-42sx52tn	178	17	OC43	OC43	NNP
cord-288072-42sx52tn	178	18	The	the	DT
cord-288072-42sx52tn	178	19	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	178	20	study	study	NN
cord-288072-42sx52tn	178	21	of	of	IN
cord-288072-42sx52tn	178	22	respiratory	respiratory	JJ
cord-288072-42sx52tn	178	23	illness	illness	NN
cord-288072-42sx52tn	178	24	.	.	.
cord-288072-42sx52tn	179	1	III	III	NNP
cord-288072-42sx52tn	179	2	.	.	.
cord-288072-42sx52tn	180	1	Incidence	incidence	NN
cord-288072-42sx52tn	180	2	and	and	CC
cord-288072-42sx52tn	180	3	periodicity	periodicity	NN
cord-288072-42sx52tn	180	4	of	of	IN
cord-288072-42sx52tn	180	5	respiratory	respiratory	JJ
cord-288072-42sx52tn	180	6	syncytial	syncytial	JJ
cord-288072-42sx52tn	180	7	virus	virus	NN
cord-288072-42sx52tn	180	8	and	and	CC
cord-288072-42sx52tn	180	9	Mycoplasma	Mycoplasma	NNP
cord-288072-42sx52tn	180	10	pneumoniae	pneumoniae	NN
cord-288072-42sx52tn	180	11	infections	infection	NNS
cord-288072-42sx52tn	180	12	Community	community	NN
cord-288072-42sx52tn	180	13	-	-	HYPH
cord-288072-42sx52tn	180	14	wide	wide	JJ
cord-288072-42sx52tn	180	15	outbreak	outbreak	NN
cord-288072-42sx52tn	180	16	of	of	IN
cord-288072-42sx52tn	180	17	infection	infection	NN
cord-288072-42sx52tn	180	18	with	with	IN
cord-288072-42sx52tn	180	19	a	a	DT
cord-288072-42sx52tn	180	20	229E	229e	CD
cord-288072-42sx52tn	180	21	-	-	HYPH
cord-288072-42sx52tn	180	22	like	like	JJ
cord-288072-42sx52tn	180	23	coronavirus	coronavirus	NN
cord-288072-42sx52tn	180	24	in	in	IN
cord-288072-42sx52tn	180	25	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	180	26	,	,	,
cord-288072-42sx52tn	180	27	Michigan	Michigan	NNP
cord-288072-42sx52tn	181	1	The	the	DT
cord-288072-42sx52tn	181	2	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	181	3	study	study	NN
cord-288072-42sx52tn	181	4	of	of	IN
cord-288072-42sx52tn	181	5	respiratory	respiratory	JJ
cord-288072-42sx52tn	181	6	illness	illness	NN
cord-288072-42sx52tn	181	7	.	.	.
cord-288072-42sx52tn	182	1	I.	I.	NNP
cord-288072-42sx52tn	182	2	Plan	Plan	NNP
cord-288072-42sx52tn	182	3	of	of	IN
cord-288072-42sx52tn	182	4	study	study	NN
cord-288072-42sx52tn	182	5	and	and	CC
cord-288072-42sx52tn	182	6	observations	observation	NNS
cord-288072-42sx52tn	182	7	on	on	IN
cord-288072-42sx52tn	182	8	syndromes	syndrome	NNS
cord-288072-42sx52tn	182	9	of	of	IN
cord-288072-42sx52tn	182	10	acute	acute	JJ
cord-288072-42sx52tn	182	11	respiratory	respiratory	JJ
cord-288072-42sx52tn	182	12	disease	disease	NN
cord-288072-42sx52tn	183	1	The	the	DT
cord-288072-42sx52tn	183	2	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	183	3	study	study	NN
cord-288072-42sx52tn	183	4	of	of	IN
cord-288072-42sx52tn	183	5	respiratory	respiratory	JJ
cord-288072-42sx52tn	183	6	illness	illness	NN
cord-288072-42sx52tn	183	7	.	.	.
cord-288072-42sx52tn	184	1	II	II	NNP
cord-288072-42sx52tn	184	2	.	.	.
cord-288072-42sx52tn	185	1	Patterns	pattern	NNS
cord-288072-42sx52tn	185	2	of	of	IN
cord-288072-42sx52tn	185	3	occurrence	occurrence	NN
cord-288072-42sx52tn	185	4	of	of	IN
cord-288072-42sx52tn	185	5	infection	infection	NN
cord-288072-42sx52tn	185	6	with	with	IN
cord-288072-42sx52tn	185	7	respiratory	respiratory	JJ
cord-288072-42sx52tn	185	8	pathogens	pathogen	NNS
cord-288072-42sx52tn	185	9	,	,	,
cord-288072-42sx52tn	185	10	1965	1965	CD
cord-288072-42sx52tn	185	11	-	-	SYM
cord-288072-42sx52tn	185	12	1969	1969	CD
cord-288072-42sx52tn	185	13	Recovery	Recovery	NNP
cord-288072-42sx52tn	185	14	in	in	IN
cord-288072-42sx52tn	185	15	tracheal	tracheal	JJ
cord-288072-42sx52tn	185	16	organ	organ	NN
cord-288072-42sx52tn	185	17	cultures	culture	NNS
cord-288072-42sx52tn	185	18	of	of	IN
cord-288072-42sx52tn	185	19	novel	novel	NN
cord-288072-42sx52tn	185	20	viruses	virus	NNS
cord-288072-42sx52tn	185	21	from	from	IN
cord-288072-42sx52tn	185	22	patients	patient	NNS
cord-288072-42sx52tn	185	23	with	with	IN
cord-288072-42sx52tn	185	24	respiratory	respiratory	JJ
cord-288072-42sx52tn	185	25	disease	disease	NN
cord-288072-42sx52tn	185	26	Cultivation	cultivation	NN
cord-288072-42sx52tn	185	27	of	of	IN
cord-288072-42sx52tn	185	28	a	a	DT
cord-288072-42sx52tn	185	29	novel	novel	JJ
cord-288072-42sx52tn	185	30	type	type	NN
cord-288072-42sx52tn	185	31	of	of	IN
cord-288072-42sx52tn	185	32	common	common	JJ
cord-288072-42sx52tn	185	33	-	-	HYPH
cord-288072-42sx52tn	185	34	cold	cold	JJ
cord-288072-42sx52tn	185	35	virus	virus	NN
cord-288072-42sx52tn	185	36	in	in	IN
cord-288072-42sx52tn	185	37	organ	organ	NN
cord-288072-42sx52tn	185	38	cultures	culture	NNS
cord-288072-42sx52tn	185	39	Coronavirus	Coronavirus	NNP
cord-288072-42sx52tn	185	40	antibody	antibody	NN
cord-288072-42sx52tn	185	41	titers	titer	NNS
cord-288072-42sx52tn	185	42	in	in	IN
cord-288072-42sx52tn	185	43	sera	sera	NNP
cord-288072-42sx52tn	185	44	of	of	IN
cord-288072-42sx52tn	185	45	healthy	healthy	JJ
cord-288072-42sx52tn	185	46	adults	adult	NNS
cord-288072-42sx52tn	185	47	and	and	CC
cord-288072-42sx52tn	185	48	experimentally	experimentally	RB
cord-288072-42sx52tn	185	49	infected	infect	VBN
cord-288072-42sx52tn	185	50	volunteers	volunteer	NNS
cord-288072-42sx52tn	185	51	Antigenic	antigenic	JJ
cord-288072-42sx52tn	185	52	relationships	relationship	NNS
cord-288072-42sx52tn	185	53	among	among	IN
cord-288072-42sx52tn	185	54	the	the	DT
cord-288072-42sx52tn	185	55	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	185	56	of	of	IN
cord-288072-42sx52tn	185	57	man	man	NN
cord-288072-42sx52tn	185	58	and	and	CC
cord-288072-42sx52tn	185	59	between	between	IN
cord-288072-42sx52tn	185	60	human	human	JJ
cord-288072-42sx52tn	185	61	and	and	CC
cord-288072-42sx52tn	185	62	animal	animal	NN
cord-288072-42sx52tn	185	63	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	185	64	Antigenic	antigenic	JJ
cord-288072-42sx52tn	185	65	relationships	relationship	NNS
cord-288072-42sx52tn	185	66	amongst	amongst	IN
cord-288072-42sx52tn	185	67	coronaviruses	coronaviruse	NNS
cord-288072-42sx52tn	186	1	Virologic	Virologic	NNP
cord-288072-42sx52tn	186	2	studies	study	NNS
cord-288072-42sx52tn	186	3	of	of	IN
cord-288072-42sx52tn	186	4	acute	acute	JJ
cord-288072-42sx52tn	186	5	respiratory	respiratory	JJ
cord-288072-42sx52tn	186	6	disease	disease	NN
cord-288072-42sx52tn	186	7	in	in	IN
cord-288072-42sx52tn	186	8	young	young	JJ
cord-288072-42sx52tn	186	9	adults	adult	NNS
cord-288072-42sx52tn	186	10	.	.	.
cord-288072-42sx52tn	187	1	V.	V.	NNP
cord-288072-42sx52tn	187	2	Coronavirus	Coronavirus	NNP
cord-288072-42sx52tn	187	3	229E	229e	CD
cord-288072-42sx52tn	187	4	infections	infection	NNS
cord-288072-42sx52tn	187	5	during	during	IN
cord-288072-42sx52tn	187	6	six	six	CD
cord-288072-42sx52tn	187	7	years	year	NNS
cord-288072-42sx52tn	187	8	of	of	IN
cord-288072-42sx52tn	187	9	surveillance	surveillance	NN
cord-288072-42sx52tn	188	1	The	the	DT
cord-288072-42sx52tn	188	2	Tecumseh	Tecumseh	NNP
cord-288072-42sx52tn	188	3	study	study	NN
cord-288072-42sx52tn	188	4	of	of	IN
cord-288072-42sx52tn	188	5	respiratory	respiratory	JJ
cord-288072-42sx52tn	188	6	illness	illness	NN
cord-288072-42sx52tn	188	7	.	.	.
cord-288072-42sx52tn	189	1	IV	IV	NNP
cord-288072-42sx52tn	189	2	.	.	.
cord-288072-42sx52tn	190	1	Prevalence	prevalence	NN
cord-288072-42sx52tn	190	2	of	of	IN
cord-288072-42sx52tn	190	3	rhinovirus	rhinovirus	NN
cord-288072-42sx52tn	190	4	serotypes	serotype	NNS
cord-288072-42sx52tn	190	5	,	,	,
cord-288072-42sx52tn	190	6	1966	1966	CD
cord-288072-42sx52tn	190	7	-	-	SYM
cord-288072-42sx52tn	190	8	1969	1969	CD
cord-288072-42sx52tn	190	9	Coronavirus	Coronavirus	NNP
cord-288072-42sx52tn	190	10	infections	infection	NNS
cord-288072-42sx52tn	190	11	in	in	IN
cord-288072-42sx52tn	190	12	exacerbations	exacerbation	NNS
cord-288072-42sx52tn	190	13	of	of	IN
cord-288072-42sx52tn	190	14	chronic	chronic	JJ
cord-288072-42sx52tn	190	15	bronchitis	bronchitis	NN