id	sid	tid	token	lemma	pos
cord-286146-im42752g	1	1	key	key	NN
cord-286146-im42752g	1	2	:	:	:
cord-286146-im42752g	1	3	cord-286146-im42752	cord-286146-im42752	NNP
cord-286146-im42752g	2	1	g	g	NNP
cord-286146-im42752g	2	2	authors	author	NNS
cord-286146-im42752g	2	3	:	:	:
cord-286146-im42752g	2	4	Nakamura	Nakamura	NNP
cord-286146-im42752g	2	5	,	,	,
cord-286146-im42752g	2	6	Hiroki	Hiroki	NNP
cord-286146-im42752g	2	7	;	;	:
cord-286146-im42752g	2	8	Managi	Managi	NNP
cord-286146-im42752g	2	9	,	,	,
cord-286146-im42752g	2	10	Shunsuke	Shunsuke	NNP
cord-286146-im42752g	2	11	title	title	NN
cord-286146-im42752g	2	12	:	:	:
cord-286146-im42752g	2	13	Airport	airport	NN
cord-286146-im42752g	2	14	risk	risk	NN
cord-286146-im42752g	2	15	of	of	IN
cord-286146-im42752g	2	16	importation	importation	NN
cord-286146-im42752g	2	17	and	and	CC
cord-286146-im42752g	2	18	exportation	exportation	NN
cord-286146-im42752g	2	19	of	of	IN
cord-286146-im42752g	2	20	the	the	DT
cord-286146-im42752g	2	21	COVID-19	COVID-19	NNP
cord-286146-im42752g	2	22	pandemic	pandemic	NN
cord-286146-im42752g	2	23	date	date	NN
cord-286146-im42752g	2	24	:	:	:
cord-286146-im42752g	2	25	2020	2020	CD
cord-286146-im42752g	2	26	-	-	HYPH
cord-286146-im42752g	2	27	07	07	CD
cord-286146-im42752g	2	28	-	-	HYPH
cord-286146-im42752g	2	29	01	01	CD
cord-286146-im42752g	2	30	journal	journal	NN
cord-286146-im42752g	2	31	:	:	:
cord-286146-im42752g	3	1	Transp	Transp	NNP
cord-286146-im42752g	3	2	Policy	Policy	NNP
cord-286146-im42752g	3	3	(	(	-LRB-
cord-286146-im42752g	3	4	Oxf	Oxf	NNP
cord-286146-im42752g	3	5	)	)	-RRB-
cord-286146-im42752g	3	6	DOI	DOI	NNP
cord-286146-im42752g	3	7	:	:	:
cord-286146-im42752g	3	8	10.1016	10.1016	CD
cord-286146-im42752g	4	1	/j.tranpol.2020.06.018	/j.tranpol.2020.06.018	NFP
cord-286146-im42752g	4	2	sha	sha	NNP
cord-286146-im42752g	4	3	:	:	:
cord-286146-im42752g	4	4	4641dcaacc368843d155cf509720fc3f28a2b92d	4641dcaacc368843d155cf509720fc3f28a2b92d	CD
cord-286146-im42752g	4	5	doc_id	doc_id	CD
cord-286146-im42752g	4	6	:	:	:
cord-286146-im42752g	4	7	286146	286146	CD
cord-286146-im42752g	4	8	cord_uid	cord_uid	NNS
cord-286146-im42752g	4	9	:	:	:
cord-286146-im42752g	4	10	im42752	im42752	.
cord-286146-im42752g	5	1	g	g	NNP
cord-286146-im42752g	6	1	On	on	IN
cord-286146-im42752g	6	2	March	March	NNP
cord-286146-im42752g	6	3	11	11	CD
cord-286146-im42752g	6	4	,	,	,
cord-286146-im42752g	6	5	2020	2020	CD
cord-286146-im42752g	6	6	,	,	,
cord-286146-im42752g	6	7	the	the	DT
cord-286146-im42752g	6	8	Director	Director	NNP
cord-286146-im42752g	6	9	-	-	HYPH
cord-286146-im42752g	6	10	General	General	NNP
cord-286146-im42752g	6	11	of	of	IN
cord-286146-im42752g	6	12	the	the	DT
cord-286146-im42752g	6	13	World	World	NNP
cord-286146-im42752g	6	14	Health	Health	NNP
cord-286146-im42752g	6	15	Organization	Organization	NNP
cord-286146-im42752g	6	16	(	(	-LRB-
cord-286146-im42752g	6	17	WHO	who	WP
cord-286146-im42752g	6	18	)	)	-RRB-
cord-286146-im42752g	6	19	characterized	characterize	VBD
cord-286146-im42752g	6	20	the	the	DT
cord-286146-im42752g	6	21	spread	spread	NN
cord-286146-im42752g	6	22	of	of	IN
cord-286146-im42752g	6	23	the	the	DT
cord-286146-im42752g	6	24	coronavirus	coronavirus	NN
cord-286146-im42752g	6	25	disease	disease	NN
cord-286146-im42752g	6	26	,	,	,
cord-286146-im42752g	6	27	COVID-19	COVID-19	NNP
cord-286146-im42752g	6	28	,	,	,
cord-286146-im42752g	6	29	as	as	IN
cord-286146-im42752g	6	30	a	a	DT
cord-286146-im42752g	6	31	pandemic	pandemic	NN
cord-286146-im42752g	6	32	on	on	IN
cord-286146-im42752g	6	33	the	the	DT
cord-286146-im42752g	6	34	basis	basis	NN
cord-286146-im42752g	6	35	of	of	IN
cord-286146-im42752g	6	36	“	"	``
cord-286146-im42752g	6	37	alarming	alarming	JJ
cord-286146-im42752g	6	38	levels	level	NNS
cord-286146-im42752g	6	39	of	of	IN
cord-286146-im42752g	6	40	spread	spread	NN
cord-286146-im42752g	6	41	and	and	CC
cord-286146-im42752g	6	42	severity	severity	NN
cord-286146-im42752g	6	43	,	,	,
cord-286146-im42752g	6	44	and	and	CC
cord-286146-im42752g	6	45	by	by	IN
cord-286146-im42752g	6	46	the	the	DT
cord-286146-im42752g	6	47	alarming	alarming	JJ
cord-286146-im42752g	6	48	levels	level	NNS
cord-286146-im42752g	6	49	of	of	IN
cord-286146-im42752g	6	50	inaction	inaction	NN
cord-286146-im42752g	6	51	.	.	.
cord-286146-im42752g	6	52	”	"	''
cord-286146-im42752g	7	1	Hence	hence	RB
cord-286146-im42752g	7	2	,	,	,
cord-286146-im42752g	7	3	it	-PRON-	PRP
cord-286146-im42752g	7	4	is	be	VBZ
cord-286146-im42752g	7	5	urgent	urgent	JJ
cord-286146-im42752g	7	6	and	and	CC
cord-286146-im42752g	7	7	imperative	imperative	JJ
cord-286146-im42752g	7	8	to	to	TO
cord-286146-im42752g	7	9	evaluate	evaluate	VB
cord-286146-im42752g	7	10	the	the	DT
cord-286146-im42752g	7	11	risk	risk	NN
cord-286146-im42752g	7	12	of	of	IN
cord-286146-im42752g	7	13	COVID-19	COVID-19	NNP
cord-286146-im42752g	7	14	for	for	IN
cord-286146-im42752g	7	15	as	as	RB
cord-286146-im42752g	7	16	many	many	JJ
cord-286146-im42752g	7	17	global	global	JJ
cord-286146-im42752g	7	18	locations	location	NNS
cord-286146-im42752g	7	19	as	as	IN
cord-286146-im42752g	7	20	possible	possible	JJ
cord-286146-im42752g	7	21	.	.	.
cord-286146-im42752g	8	1	This	this	DT
cord-286146-im42752g	8	2	study	study	NN
cord-286146-im42752g	8	3	calculates	calculate	VBZ
cord-286146-im42752g	8	4	the	the	DT
cord-286146-im42752g	8	5	relative	relative	JJ
cord-286146-im42752g	8	6	risk	risk	NN
cord-286146-im42752g	8	7	of	of	IN
cord-286146-im42752g	8	8	the	the	DT
cord-286146-im42752g	8	9	importation	importation	NN
cord-286146-im42752g	8	10	and	and	CC
cord-286146-im42752g	8	11	exportation	exportation	NN
cord-286146-im42752g	8	12	of	of	IN
cord-286146-im42752g	8	13	the	the	DT
cord-286146-im42752g	8	14	COVID-19	COVID-19	NNP
cord-286146-im42752g	8	15	virus	virus	NN
cord-286146-im42752g	8	16	.	.	.
cord-286146-im42752g	9	1	The	the	DT
cord-286146-im42752g	9	2	study	study	NN
cord-286146-im42752g	9	3	's	's	POS
cord-286146-im42752g	9	4	most	most	RBS
cord-286146-im42752g	9	5	important	important	JJ
cord-286146-im42752g	9	6	contribution	contribution	NN
cord-286146-im42752g	9	7	is	be	VBZ
cord-286146-im42752g	9	8	the	the	DT
cord-286146-im42752g	9	9	calculation	calculation	NN
cord-286146-im42752g	9	10	of	of	IN
cord-286146-im42752g	9	11	the	the	DT
cord-286146-im42752g	9	12	overall	overall	JJ
cord-286146-im42752g	9	13	relative	relative	JJ
cord-286146-im42752g	9	14	risk	risk	NN
cord-286146-im42752g	9	15	of	of	IN
cord-286146-im42752g	9	16	the	the	DT
cord-286146-im42752g	9	17	importation	importation	NN
cord-286146-im42752g	9	18	and	and	CC
cord-286146-im42752g	9	19	exportation	exportation	NN
cord-286146-im42752g	9	20	of	of	IN
cord-286146-im42752g	9	21	COVID-19	COVID-19	NNP
cord-286146-im42752g	9	22	from	from	IN
cord-286146-im42752g	9	23	every	every	DT
cord-286146-im42752g	9	24	airport	airport	NN
cord-286146-im42752g	9	25	in	in	IN
cord-286146-im42752g	9	26	local	local	JJ
cord-286146-im42752g	9	27	municipalities	municipality	NNS
cord-286146-im42752g	9	28	around	around	IN
cord-286146-im42752g	9	29	the	the	DT
cord-286146-im42752g	9	30	world	world	NN
cord-286146-im42752g	9	31	,	,	,
cord-286146-im42752g	9	32	based	base	VBN
cord-286146-im42752g	9	33	on	on	IN
cord-286146-im42752g	9	34	global	global	JJ
cord-286146-im42752g	9	35	spatial	spatial	JJ
cord-286146-im42752g	9	36	and	and	CC
cord-286146-im42752g	9	37	mapping	mapping	NN
cord-286146-im42752g	9	38	information	information	NN
cord-286146-im42752g	9	39	.	.	.
cord-286146-im42752g	10	1	Three	three	CD
cord-286146-im42752g	10	2	scenarios	scenario	NNS
cord-286146-im42752g	10	3	of	of	IN
cord-286146-im42752g	10	4	air	air	NN
cord-286146-im42752g	10	5	travel	travel	NN
cord-286146-im42752g	10	6	restriction	restriction	NN
cord-286146-im42752g	10	7	are	be	VBP
cord-286146-im42752g	10	8	considered	consider	VBN
cord-286146-im42752g	10	9	,	,	,
cord-286146-im42752g	10	10	and	and	CC
cord-286146-im42752g	10	11	the	the	DT
cord-286146-im42752g	10	12	change	change	NN
cord-286146-im42752g	10	13	in	in	IN
cord-286146-im42752g	10	14	the	the	DT
cord-286146-im42752g	10	15	risk	risk	NN
cord-286146-im42752g	10	16	of	of	IN
cord-286146-im42752g	10	17	importation	importation	NN
cord-286146-im42752g	10	18	and	and	CC
cord-286146-im42752g	10	19	exportation	exportation	NN
cord-286146-im42752g	10	20	of	of	IN
cord-286146-im42752g	10	21	COVID-19	COVID-19	NNP
cord-286146-im42752g	10	22	is	be	VBZ
cord-286146-im42752g	10	23	calculated	calculate	VBN
cord-286146-im42752g	10	24	.	.	.
cord-286146-im42752g	11	1	The	the	DT
cord-286146-im42752g	11	2	relative	relative	JJ
cord-286146-im42752g	11	3	risk	risk	NN
cord-286146-im42752g	11	4	of	of	IN
cord-286146-im42752g	11	5	importation	importation	NN
cord-286146-im42752g	11	6	and	and	CC
cord-286146-im42752g	11	7	exportation	exportation	NN
cord-286146-im42752g	11	8	of	of	IN
cord-286146-im42752g	11	9	COVID-19	COVID-19	NNP
cord-286146-im42752g	11	10	clearly	clearly	RB
cord-286146-im42752g	11	11	shows	show	VBZ
cord-286146-im42752g	11	12	that	that	IN
cord-286146-im42752g	11	13	not	not	RB
cord-286146-im42752g	11	14	only	only	RB
cord-286146-im42752g	11	15	China	China	NNP
cord-286146-im42752g	11	16	,	,	,
cord-286146-im42752g	11	17	Europe	Europe	NNP
cord-286146-im42752g	11	18	,	,	,
cord-286146-im42752g	11	19	Middle	Middle	NNP
cord-286146-im42752g	11	20	East	East	NNP
cord-286146-im42752g	11	21	,	,	,
cord-286146-im42752g	11	22	and	and	CC
cord-286146-im42752g	11	23	East	East	NNP
cord-286146-im42752g	11	24	Asia	Asia	NNP
cord-286146-im42752g	11	25	,	,	,
cord-286146-im42752g	11	26	but	but	CC
cord-286146-im42752g	11	27	also	also	RB
cord-286146-im42752g	11	28	the	the	DT
cord-286146-im42752g	11	29	U.S.	U.S.	NNP
cord-286146-im42752g	11	30	,	,	,
cord-286146-im42752g	11	31	Australia	Australia	NNP
cord-286146-im42752g	11	32	,	,	,
cord-286146-im42752g	11	33	and	and	CC
cord-286146-im42752g	11	34	countries	country	NNS
cord-286146-im42752g	11	35	in	in	IN
cord-286146-im42752g	11	36	northeast	northeast	JJ
cord-286146-im42752g	11	37	Asia	Asia	NNP
cord-286146-im42752g	11	38	and	and	CC
cord-286146-im42752g	11	39	Latin	Latin	NNP
cord-286146-im42752g	11	40	America	America	NNP
cord-286146-im42752g	11	41	are	be	VBP
cord-286146-im42752g	11	42	subject	subject	JJ
cord-286146-im42752g	11	43	to	to	IN
cord-286146-im42752g	11	44	risk	risk	NN
cord-286146-im42752g	11	45	.	.	.
cord-286146-im42752g	12	1	Further	further	RB
cord-286146-im42752g	12	2	,	,	,
cord-286146-im42752g	12	3	a	a	DT
cord-286146-im42752g	12	4	larger	large	JJR
cord-286146-im42752g	12	5	reduction	reduction	NN
cord-286146-im42752g	12	6	in	in	IN
cord-286146-im42752g	12	7	air	air	NN
cord-286146-im42752g	12	8	travel	travel	NN
cord-286146-im42752g	12	9	through	through	IN
cord-286146-im42752g	12	10	airports	airport	NNS
cord-286146-im42752g	12	11	in	in	IN
cord-286146-im42752g	12	12	a	a	DT
cord-286146-im42752g	12	13	large	large	JJ
cord-286146-im42752g	12	14	part	part	NN
cord-286146-im42752g	12	15	of	of	IN
cord-286146-im42752g	12	16	the	the	DT
cord-286146-im42752g	12	17	cumulative	cumulative	JJ
cord-286146-im42752g	12	18	incidence	incidence	NN
cord-286146-im42752g	12	19	area	area	NN
cord-286146-im42752g	12	20	would	would	MD
cord-286146-im42752g	12	21	lead	lead	VB
cord-286146-im42752g	12	22	to	to	IN
cord-286146-im42752g	12	23	a	a	DT
cord-286146-im42752g	12	24	gradual	gradual	JJ
cord-286146-im42752g	12	25	decrease	decrease	NN
cord-286146-im42752g	12	26	in	in	IN
cord-286146-im42752g	12	27	the	the	DT
cord-286146-im42752g	12	28	risk	risk	NN
cord-286146-im42752g	12	29	flow	flow	NN
cord-286146-im42752g	12	30	.	.	.
cord-286146-im42752g	13	1	Importantly	importantly	RB
cord-286146-im42752g	13	2	,	,	,
cord-286146-im42752g	13	3	the	the	DT
cord-286146-im42752g	13	4	exportation	exportation	NN
cord-286146-im42752g	13	5	risk	risk	NN
cord-286146-im42752g	13	6	of	of	IN
cord-286146-im42752g	13	7	the	the	DT
cord-286146-im42752g	13	8	disease	disease	NN
cord-286146-im42752g	13	9	from	from	IN
cord-286146-im42752g	13	10	some	some	DT
cord-286146-im42752g	13	11	airports	airport	NNS
cord-286146-im42752g	13	12	in	in	IN
cord-286146-im42752g	13	13	China	China	NNP
cord-286146-im42752g	13	14	,	,	,
cord-286146-im42752g	13	15	Iran	Iran	NNP
cord-286146-im42752g	13	16	,	,	,
cord-286146-im42752g	13	17	and	and	CC
cord-286146-im42752g	13	18	European	european	JJ
cord-286146-im42752g	13	19	countries	country	NNS
cord-286146-im42752g	13	20	has	have	VBZ
cord-286146-im42752g	13	21	a	a	DT
cord-286146-im42752g	13	22	higher	high	JJR
cord-286146-im42752g	13	23	global	global	JJ
cord-286146-im42752g	13	24	spread	spread	NN
cord-286146-im42752g	13	25	than	than	IN
cord-286146-im42752g	13	26	the	the	DT
cord-286146-im42752g	13	27	importation	importation	NN
cord-286146-im42752g	13	28	risk	risk	NN
cord-286146-im42752g	13	29	during	during	IN
cord-286146-im42752g	13	30	the	the	DT
cord-286146-im42752g	13	31	pandemic	pandemic	NN
cord-286146-im42752g	13	32	stage	stage	NN
cord-286146-im42752g	13	33	.	.	.
cord-286146-im42752g	14	1	Therefore	therefore	RB
cord-286146-im42752g	14	2	,	,	,
cord-286146-im42752g	14	3	every	every	DT
cord-286146-im42752g	14	4	airport	airport	NN
cord-286146-im42752g	14	5	,	,	,
cord-286146-im42752g	14	6	or	or	CC
cord-286146-im42752g	14	7	government	government	NN
cord-286146-im42752g	14	8	with	with	IN
cord-286146-im42752g	14	9	airports	airport	NNS
cord-286146-im42752g	14	10	in	in	IN
cord-286146-im42752g	14	11	their	-PRON-	PRP$
cord-286146-im42752g	14	12	jurisdiction	jurisdiction	NN
cord-286146-im42752g	14	13	,	,	,
cord-286146-im42752g	14	14	should	should	MD
cord-286146-im42752g	14	15	implement	implement	VB
cord-286146-im42752g	14	16	strict	strict	JJ
cord-286146-im42752g	14	17	countermeasures	countermeasure	NNS
cord-286146-im42752g	14	18	.	.	.
cord-286146-im42752g	15	1	It	-PRON-	PRP
cord-286146-im42752g	15	2	is	be	VBZ
cord-286146-im42752g	15	3	also	also	RB
cord-286146-im42752g	15	4	indispensable	indispensable	JJ
cord-286146-im42752g	15	5	for	for	IN
cord-286146-im42752g	15	6	these	these	DT
cord-286146-im42752g	15	7	countries	country	NNS
cord-286146-im42752g	15	8	to	to	TO
cord-286146-im42752g	15	9	undertake	undertake	VB
cord-286146-im42752g	15	10	countermeasures	countermeasure	NNS
cord-286146-im42752g	15	11	for	for	IN
cord-286146-im42752g	15	12	COVID-19	covid-19	CD
cord-286146-im42752g	15	13	,	,	,
cord-286146-im42752g	15	14	such	such	JJ
cord-286146-im42752g	15	15	as	as	IN
cord-286146-im42752g	15	16	home	home	NN
cord-286146-im42752g	15	17	quarantine	quarantine	NN
cord-286146-im42752g	15	18	within	within	IN
cord-286146-im42752g	15	19	each	each	DT
cord-286146-im42752g	15	20	country	country	NN
cord-286146-im42752g	15	21	and	and	CC
cord-286146-im42752g	15	22	restricting	restrict	VBG
cord-286146-im42752g	15	23	infected	infect	VBN
cord-286146-im42752g	15	24	or	or	CC
cord-286146-im42752g	15	25	suspected	suspect	VBN
cord-286146-im42752g	15	26	individuals	individual	NNS
cord-286146-im42752g	15	27	from	from	IN
cord-286146-im42752g	15	28	flying	fly	VBG
cord-286146-im42752g	15	29	on	on	IN
cord-286146-im42752g	15	30	airplanes	airplane	NNS
cord-286146-im42752g	15	31	.	.	.
cord-286146-im42752g	16	1	In	in	IN
cord-286146-im42752g	16	2	December	December	NNP
cord-286146-im42752g	16	3	2019	2019	CD
cord-286146-im42752g	16	4	,	,	,
cord-286146-im42752g	16	5	China	China	NNP
cord-286146-im42752g	16	6	reported	report	VBD
cord-286146-im42752g	16	7	cases	case	NNS
cord-286146-im42752g	16	8	of	of	IN
cord-286146-im42752g	16	9	a	a	DT
cord-286146-im42752g	16	10	novel	novel	JJ
cord-286146-im42752g	16	11	coronavirusinfected	coronavirusinfecte	VBN
cord-286146-im42752g	16	12	pneumonia	pneumonia	NN
cord-286146-im42752g	16	13	in	in	IN
cord-286146-im42752g	16	14	local	local	JJ
cord-286146-im42752g	16	15	hospitals	hospital	NNS
cord-286146-im42752g	16	16	in	in	IN
cord-286146-im42752g	16	17	Wuhan	Wuhan	NNP
cord-286146-im42752g	16	18	,	,	,
cord-286146-im42752g	16	19	Hubei	Hubei	NNP
cord-286146-im42752g	16	20	to	to	IN
cord-286146-im42752g	16	21	the	the	DT
cord-286146-im42752g	16	22	World	World	NNP
cord-286146-im42752g	16	23	Health	Health	NNP
cord-286146-im42752g	16	24	Organization	Organization	NNP
cord-286146-im42752g	16	25	(	(	-LRB-
cord-286146-im42752g	16	26	WHO	who	WP
cord-286146-im42752g	16	27	;	;	:
cord-286146-im42752g	16	28	Haider	Haider	NNP
cord-286146-im42752g	16	29	et	et	NNP
cord-286146-im42752g	16	30	al	al	NNP
cord-286146-im42752g	16	31	.	.	NNP
cord-286146-im42752g	16	32	,	,	,
cord-286146-im42752g	16	33	2020	2020	CD
cord-286146-im42752g	16	34	;	;	:
cord-286146-im42752g	16	35	Kandel	Kandel	NNP
cord-286146-im42752g	16	36	et	et	FW
cord-286146-im42752g	16	37	al	al	NNP
cord-286146-im42752g	16	38	.	.	NNP
cord-286146-im42752g	16	39	,	,	,
cord-286146-im42752g	16	40	2020	2020	CD
cord-286146-im42752g	16	41	)	)	-RRB-
cord-286146-im42752g	16	42	.	.	.
cord-286146-im42752g	17	1	On	on	IN
cord-286146-im42752g	17	2	January	January	NNP
cord-286146-im42752g	17	3	30	30	CD
cord-286146-im42752g	17	4	,	,	,
cord-286146-im42752g	17	5	2020	2020	CD
cord-286146-im42752g	17	6	,	,	,
cord-286146-im42752g	17	7	the	the	DT
cord-286146-im42752g	17	8	WHO	who	WP
cord-286146-im42752g	17	9	declared	declare	VBD
cord-286146-im42752g	17	10	the	the	DT
cord-286146-im42752g	17	11	outbreak	outbreak	NN
cord-286146-im42752g	17	12	of	of	IN
cord-286146-im42752g	17	13	COVID-19	COVID-19	NNP
cord-286146-im42752g	17	14	as	as	IN
cord-286146-im42752g	17	15	a	a	DT
cord-286146-im42752g	17	16	public	public	JJ
cord-286146-im42752g	17	17	health	health	NN
cord-286146-im42752g	17	18	emergency	emergency	NN
cord-286146-im42752g	17	19	of	of	IN
cord-286146-im42752g	17	20	international	international	JJ
cord-286146-im42752g	17	21	concern	concern	NN
cord-286146-im42752g	18	1	(	(	-LRB-
cord-286146-im42752g	18	2	Kandel	Kandel	NNP
cord-286146-im42752g	18	3	et	et	FW
cord-286146-im42752g	18	4	al	al	NNP
cord-286146-im42752g	18	5	.	.	NNP
cord-286146-im42752g	18	6	,	,	,
cord-286146-im42752g	18	7	2020	2020	CD
cord-286146-im42752g	18	8	)	)	-RRB-
cord-286146-im42752g	18	9	.	.	.
cord-286146-im42752g	19	1	As	as	IN
cord-286146-im42752g	19	2	of	of	IN
cord-286146-im42752g	19	3	March	March	NNP
cord-286146-im42752g	19	4	3	3	CD
cord-286146-im42752g	19	5	,	,	,
cord-286146-im42752g	19	6	2020	2020	CD
cord-286146-im42752g	19	7	,	,	,
cord-286146-im42752g	19	8	a	a	DT
cord-286146-im42752g	19	9	total	total	NN
cord-286146-im42752g	19	10	of	of	IN
cord-286146-im42752g	19	11	90,869	90,869	CD
cord-286146-im42752g	19	12	cases	case	NNS
cord-286146-im42752g	19	13	had	have	VBD
cord-286146-im42752g	19	14	been	be	VBN
cord-286146-im42752g	19	15	confirmed	confirm	VBN
cord-286146-im42752g	19	16	globally	globally	RB
cord-286146-im42752g	19	17	in	in	IN
cord-286146-im42752g	19	18	73	73	CD
cord-286146-im42752g	19	19	countries	country	NNS
cord-286146-im42752g	19	20	(	(	-LRB-
cord-286146-im42752g	19	21	World	World	NNP
cord-286146-im42752g	19	22	Health	Health	NNP
cord-286146-im42752g	19	23	Organization	Organization	NNP
cord-286146-im42752g	19	24	,	,	,
cord-286146-im42752g	19	25	March	March	NNP
cord-286146-im42752g	19	26	11	11	CD
cord-286146-im42752g	19	27	,	,	,
cord-286146-im42752g	19	28	2020	2020	CD
cord-286146-im42752g	19	29	)	)	-RRB-
cord-286146-im42752g	19	30	.	.	.
cord-286146-im42752g	20	1	A	a	DT
cord-286146-im42752g	20	2	limited	limited	JJ
cord-286146-im42752g	20	3	number	number	NN
cord-286146-im42752g	20	4	of	of	IN
cord-286146-im42752g	20	5	studies	study	NNS
cord-286146-im42752g	20	6	already	already	RB
cord-286146-im42752g	20	7	exist	exist	VBP
cord-286146-im42752g	20	8	on	on	IN
cord-286146-im42752g	20	9	the	the	DT
cord-286146-im42752g	20	10	global	global	JJ
cord-286146-im42752g	20	11	risk	risk	NN
cord-286146-im42752g	20	12	of	of	IN
cord-286146-im42752g	20	13	the	the	DT
cord-286146-im42752g	20	14	COVID-19	COVID-19	NNP
cord-286146-im42752g	20	15	outbreak	outbreak	NN
cord-286146-im42752g	21	1	(	(	-LRB-
cord-286146-im42752g	21	2	Haider	Haider	NNP
cord-286146-im42752g	21	3	et	et	NNP
cord-286146-im42752g	21	4	al	al	NNP
cord-286146-im42752g	21	5	.	.	NNP
cord-286146-im42752g	21	6	,	,	,
cord-286146-im42752g	21	7	2020	2020	CD
cord-286146-im42752g	21	8	)	)	-RRB-
cord-286146-im42752g	21	9	.	.	.
cord-286146-im42752g	22	1	For	for	IN
cord-286146-im42752g	22	2	instance	instance	NN
cord-286146-im42752g	22	3	,	,	,
cord-286146-im42752g	22	4	Wu	Wu	NNP
cord-286146-im42752g	22	5	et	et	NNP
cord-286146-im42752g	22	6	al	al	NNP
cord-286146-im42752g	22	7	.	.	.
cord-286146-im42752g	23	1	(	(	-LRB-
cord-286146-im42752g	23	2	2020	2020	CD
cord-286146-im42752g	23	3	)	)	-RRB-
cord-286146-im42752g	23	4	calculated	calculate	VBD
cord-286146-im42752g	23	5	the	the	DT
cord-286146-im42752g	23	6	risk	risk	NN
cord-286146-im42752g	23	7	of	of	IN
cord-286146-im42752g	23	8	spread	spread	NN
cord-286146-im42752g	23	9	through	through	IN
cord-286146-im42752g	23	10	international	international	JJ
cord-286146-im42752g	23	11	flights	flight	NNS
cord-286146-im42752g	23	12	compared	compare	VBN
cord-286146-im42752g	23	13	to	to	IN
cord-286146-im42752g	23	14	domestic	domestic	JJ
cord-286146-im42752g	23	15	flights	flight	NNS
cord-286146-im42752g	23	16	.	.	.
cord-286146-im42752g	24	1	Chinazzi	Chinazzi	NNP
cord-286146-im42752g	24	2	et	et	NNP
cord-286146-im42752g	24	3	al	al	NNP
cord-286146-im42752g	24	4	.	.	.
cord-286146-im42752g	25	1	(	(	-LRB-
cord-286146-im42752g	25	2	2020	2020	CD
cord-286146-im42752g	25	3	)	)	-RRB-
cord-286146-im42752g	25	4	constructed	construct	VBD
cord-286146-im42752g	25	5	a	a	DT
cord-286146-im42752g	25	6	global	global	JJ
cord-286146-im42752g	25	7	metapopulation	metapopulation	NN
cord-286146-im42752g	25	8	disease	disease	NN
cord-286146-im42752g	25	9	transmission	transmission	NN
cord-286146-im42752g	25	10	model	model	NN
cord-286146-im42752g	25	11	to	to	TO
cord-286146-im42752g	25	12	project	project	VB
cord-286146-im42752g	25	13	the	the	DT
cord-286146-im42752g	25	14	impact	impact	NN
cord-286146-im42752g	25	15	of	of	IN
cord-286146-im42752g	25	16	travel	travel	NN
cord-286146-im42752g	25	17	limitations	limitation	NNS
cord-286146-im42752g	25	18	on	on	IN
cord-286146-im42752g	25	19	the	the	DT
cord-286146-im42752g	25	20	national	national	JJ
cord-286146-im42752g	25	21	and	and	CC
cord-286146-im42752g	25	22	international	international	JJ
cord-286146-im42752g	25	23	spread	spread	NN
cord-286146-im42752g	25	24	of	of	IN
cord-286146-im42752g	25	25	COVID-19	covid-19	NN
cord-286146-im42752g	25	26	;	;	:
cord-286146-im42752g	25	27	the	the	DT
cord-286146-im42752g	25	28	results	result	NNS
cord-286146-im42752g	25	29	show	show	VBP
cord-286146-im42752g	25	30	that	that	IN
cord-286146-im42752g	25	31	the	the	DT
cord-286146-im42752g	25	32	travel	travel	NN
cord-286146-im42752g	25	33	quarantine	quarantine	NN
cord-286146-im42752g	25	34	of	of	IN
cord-286146-im42752g	25	35	Wuhan	Wuhan	NNP
cord-286146-im42752g	25	36	delayed	delay	VBD
cord-286146-im42752g	25	37	the	the	DT
cord-286146-im42752g	25	38	overall	overall	JJ
cord-286146-im42752g	25	39	epidemic	epidemic	NN
cord-286146-im42752g	25	40	progression	progression	NN
cord-286146-im42752g	25	41	by	by	IN
cord-286146-im42752g	25	42	3	3	CD
cord-286146-im42752g	25	43	-	-	SYM
cord-286146-im42752g	25	44	5	5	CD
cord-286146-im42752g	25	45	days	day	NNS
cord-286146-im42752g	25	46	in	in	IN
cord-286146-im42752g	25	47	mainland	mainland	NN
cord-286146-im42752g	25	48	China	China	NNP
cord-286146-im42752g	25	49	,	,	,
cord-286146-im42752g	25	50	with	with	IN
cord-286146-im42752g	25	51	a	a	DT
cord-286146-im42752g	25	52	more	more	RBR
cord-286146-im42752g	25	53	marked	marked	JJ
cord-286146-im42752g	25	54	international	international	JJ
cord-286146-im42752g	25	55	effect	effect	NN
cord-286146-im42752g	25	56	.	.	.
cord-286146-im42752g	26	1	Chinazzi	Chinazzi	NNP
cord-286146-im42752g	26	2	et	et	NNP
cord-286146-im42752g	26	3	al	al	NNP
cord-286146-im42752g	26	4	.	.	.
cord-286146-im42752g	27	1	(	(	-LRB-
cord-286146-im42752g	27	2	2020	2020	CD
cord-286146-im42752g	27	3	)	)	-RRB-
cord-286146-im42752g	27	4	also	also	RB
cord-286146-im42752g	27	5	estimated	estimate	VBD
cord-286146-im42752g	27	6	that	that	IN
cord-286146-im42752g	27	7	a	a	DT
cord-286146-im42752g	27	8	reduction	reduction	NN
cord-286146-im42752g	27	9	of	of	IN
cord-286146-im42752g	27	10	90	90	CD
cord-286146-im42752g	27	11	%	%	NN
cord-286146-im42752g	27	12	or	or	CC
cord-286146-im42752g	27	13	more	more	JJR
cord-286146-im42752g	27	14	in	in	IN
cord-286146-im42752g	27	15	travel	travel	NN
cord-286146-im42752g	27	16	to	to	IN
cord-286146-im42752g	27	17	and	and	CC
cord-286146-im42752g	27	18	from	from	IN
cord-286146-im42752g	27	19	China	China	NNP
cord-286146-im42752g	27	20	would	would	MD
cord-286146-im42752g	27	21	extend	extend	VB
cord-286146-im42752g	27	22	the	the	DT
cord-286146-im42752g	27	23	period	period	NN
cord-286146-im42752g	27	24	during	during	IN
cord-286146-im42752g	27	25	which	which	WDT
cord-286146-im42752g	27	26	the	the	DT
cord-286146-im42752g	27	27	importation	importation	NN
cord-286146-im42752g	27	28	of	of	IN
cord-286146-im42752g	27	29	cases	case	NNS
cord-286146-im42752g	27	30	is	be	VBZ
cord-286146-im42752g	27	31	greatly	greatly	RB
cord-286146-im42752g	27	32	reduced	reduce	VBN
cord-286146-im42752g	27	33	.	.	.
cord-286146-im42752g	28	1	Other	other	JJ
cord-286146-im42752g	28	2	important	important	JJ
cord-286146-im42752g	28	3	studies	study	NNS
cord-286146-im42752g	28	4	include	include	VBP
cord-286146-im42752g	28	5	Bogoch	Bogoch	NNP
cord-286146-im42752g	28	6	et	et	FW
cord-286146-im42752g	28	7	al	al	NNP
cord-286146-im42752g	28	8	.	.	.
cord-286146-im42752g	29	1	(	(	-LRB-
cord-286146-im42752g	29	2	2020	2020	CD
cord-286146-im42752g	29	3	)	)	-RRB-
cord-286146-im42752g	29	4	,	,	,
cord-286146-im42752g	29	5	Gilbert	Gilbert	NNP
cord-286146-im42752g	29	6	et	et	NNP
cord-286146-im42752g	29	7	al	al	NNP
cord-286146-im42752g	29	8	.	.	.
cord-286146-im42752g	30	1	(	(	-LRB-
cord-286146-im42752g	30	2	2020	2020	CD
cord-286146-im42752g	30	3	)	)	-RRB-
cord-286146-im42752g	30	4	,	,	,
cord-286146-im42752g	30	5	Lai	Lai	NNP
cord-286146-im42752g	30	6	et	et	FW
cord-286146-im42752g	30	7	al	al	NNP
cord-286146-im42752g	30	8	.	.	.
cord-286146-im42752g	31	1	(	(	-LRB-
cord-286146-im42752g	31	2	2020	2020	CD
cord-286146-im42752g	31	3	)	)	-RRB-
cord-286146-im42752g	31	4	,	,	,
cord-286146-im42752g	31	5	and	and	CC
cord-286146-im42752g	31	6	Haider	Haider	NNP
cord-286146-im42752g	31	7	et	et	NNP
cord-286146-im42752g	31	8	al	al	NNP
cord-286146-im42752g	31	9	.	.	.
cord-286146-im42752g	32	1	(	(	-LRB-
cord-286146-im42752g	32	2	2020	2020	CD
cord-286146-im42752g	32	3	)	)	-RRB-
cord-286146-im42752g	32	4	.	.	.
cord-286146-im42752g	33	1	Bogoch	Bogoch	NNP
cord-286146-im42752g	33	2	et	et	NNP
cord-286146-im42752g	33	3	al	al	NNP
cord-286146-im42752g	33	4	.	.	.
cord-286146-im42752g	34	1	(	(	-LRB-
cord-286146-im42752g	34	2	2020	2020	CD
cord-286146-im42752g	34	3	)	)	-RRB-
cord-286146-im42752g	34	4	analyzed	analyze	VBD
cord-286146-im42752g	34	5	international	international	JJ
cord-286146-im42752g	34	6	airline	airline	NN
cord-286146-im42752g	34	7	passenger	passenger	NN
cord-286146-im42752g	34	8	trips	trip	NNS
cord-286146-im42752g	34	9	from	from	IN
cord-286146-im42752g	34	10	ten	ten	CD
cord-286146-im42752g	34	11	Chinese	chinese	JJ
cord-286146-im42752g	34	12	cities	city	NNS
cord-286146-im42752g	34	13	:	:	:
cord-286146-im42752g	34	14	Wuhan	Wuhan	NNP
cord-286146-im42752g	34	15	,	,	,
cord-286146-im42752g	34	16	Beijing	Beijing	NNP
cord-286146-im42752g	34	17	,	,	,
cord-286146-im42752g	34	18	Shanghai	Shanghai	NNP
cord-286146-im42752g	34	19	,	,	,
cord-286146-im42752g	34	20	Kunming	Kunming	NNP
cord-286146-im42752g	34	21	,	,	,
cord-286146-im42752g	34	22	Chengdu	Chengdu	NNP
cord-286146-im42752g	34	23	,	,	,
cord-286146-im42752g	34	24	Xiamen	Xiamen	NNP
cord-286146-im42752g	34	25	,	,	,
cord-286146-im42752g	34	26	Haikou	Haikou	NNP
cord-286146-im42752g	34	27	,	,	,
cord-286146-im42752g	34	28	Guangzhou	Guangzhou	NNP
cord-286146-im42752g	34	29	,	,	,
cord-286146-im42752g	34	30	Shenzhen	Shenzhen	NNP
cord-286146-im42752g	34	31	and	and	CC
cord-286146-im42752g	34	32	Hong	Hong	NNP
cord-286146-im42752g	34	33	Kong	Kong	NNP
cord-286146-im42752g	34	34	,	,	,
cord-286146-im42752g	34	35	and	and	CC
cord-286146-im42752g	34	36	the	the	DT
cord-286146-im42752g	34	37	results	result	NNS
cord-286146-im42752g	34	38	show	show	VBP
cord-286146-im42752g	34	39	that	that	IN
cord-286146-im42752g	34	40	Taipei	Taipei	NNP
cord-286146-im42752g	34	41	,	,	,
cord-286146-im42752g	34	42	Bangkok	Bangkok	NNP
cord-286146-im42752g	34	43	,	,	,
cord-286146-im42752g	34	44	Tokyo	Tokyo	NNP
cord-286146-im42752g	34	45	,	,	,
cord-286146-im42752g	34	46	Seoul	Seoul	NNP
cord-286146-im42752g	34	47	and	and	CC
cord-286146-im42752g	34	48	Singapore	Singapore	NNP
cord-286146-im42752g	34	49	received	receive	VBD
cord-286146-im42752g	34	50	the	the	DT
cord-286146-im42752g	34	51	highest	high	JJS
cord-286146-im42752g	34	52	number	number	NN
cord-286146-im42752g	34	53	of	of	IN
cord-286146-im42752g	34	54	passengers	passenger	NNS
cord-286146-im42752g	34	55	from	from	IN
cord-286146-im42752g	34	56	the	the	DT
cord-286146-im42752g	34	57	aforementioned	aforementioned	JJ
cord-286146-im42752g	34	58	cities	city	NNS
cord-286146-im42752g	34	59	.	.	.
cord-286146-im42752g	35	1	However	however	RB
cord-286146-im42752g	35	2	,	,	,
cord-286146-im42752g	35	3	while	while	IN
cord-286146-im42752g	35	4	valuable	valuable	JJ
cord-286146-im42752g	35	5	,	,	,
cord-286146-im42752g	35	6	Haider	Haider	NNP
cord-286146-im42752g	35	7	et	et	NNP
cord-286146-im42752g	35	8	al	al	NNP
cord-286146-im42752g	35	9	.	.	.
cord-286146-im42752g	36	1	(	(	-LRB-
cord-286146-im42752g	36	2	2020	2020	CD
cord-286146-im42752g	36	3	)	)	-RRB-
cord-286146-im42752g	36	4	,	,	,
cord-286146-im42752g	36	5	Wu	Wu	NNP
cord-286146-im42752g	36	6	et	et	NNP
cord-286146-im42752g	36	7	al	al	NNP
cord-286146-im42752g	36	8	.	.	.
cord-286146-im42752g	37	1	(	(	-LRB-
cord-286146-im42752g	37	2	2020	2020	CD
cord-286146-im42752g	37	3	)	)	-RRB-
cord-286146-im42752g	37	4	,	,	,
cord-286146-im42752g	37	5	Chinazzi	Chinazzi	NNP
cord-286146-im42752g	37	6	et	et	NNP
cord-286146-im42752g	37	7	al	al	NNP
cord-286146-im42752g	37	8	.	.	.
cord-286146-im42752g	38	1	(	(	-LRB-
cord-286146-im42752g	38	2	2020	2020	CD
cord-286146-im42752g	38	3	)	)	-RRB-
cord-286146-im42752g	38	4	,	,	,
cord-286146-im42752g	38	5	and	and	CC
cord-286146-im42752g	38	6	Bogoch	Bogoch	NNP
cord-286146-im42752g	38	7	et	et	FW
cord-286146-im42752g	38	8	al	al	NNP
cord-286146-im42752g	38	9	.	.	.
cord-286146-im42752g	39	1	(	(	-LRB-
cord-286146-im42752g	39	2	2020	2020	CD
cord-286146-im42752g	39	3	)	)	-RRB-
cord-286146-im42752g	39	4	did	do	VBD
cord-286146-im42752g	39	5	not	not	RB
cord-286146-im42752g	39	6	evaluate	evaluate	VB
cord-286146-im42752g	39	7	the	the	DT
cord-286146-im42752g	39	8	cumulative	cumulative	JJ
cord-286146-im42752g	39	9	risk	risk	NN
cord-286146-im42752g	39	10	of	of	IN
cord-286146-im42752g	39	11	importation	importation	NN
cord-286146-im42752g	39	12	of	of	IN
cord-286146-im42752g	39	13	COVID-19	covid-19	CD
cord-286146-im42752g	39	14	in	in	IN
cord-286146-im42752g	39	15	a	a	DT
cord-286146-im42752g	39	16	country	country	NN
cord-286146-im42752g	39	17	and	and	CC
cord-286146-im42752g	39	18	instead	instead	RB
cord-286146-im42752g	39	19	focused	focus	VBD
cord-286146-im42752g	39	20	on	on	IN
cord-286146-im42752g	39	21	specific	specific	JJ
cord-286146-im42752g	39	22	points	point	NNS
cord-286146-im42752g	39	23	of	of	IN
cord-286146-im42752g	39	24	entry	entry	NN
cord-286146-im42752g	39	25	.	.	.
cord-286146-im42752g	40	1	Gilbert	Gilbert	NNP
cord-286146-im42752g	40	2	et	et	NNP
cord-286146-im42752g	40	3	al	al	NNP
cord-286146-im42752g	40	4	.	.	.
cord-286146-im42752g	41	1	(	(	-LRB-
cord-286146-im42752g	41	2	2020	2020	CD
cord-286146-im42752g	41	3	)	)	-RRB-
cord-286146-im42752g	41	4	and	and	CC
cord-286146-im42752g	41	5	Lai	Lai	NNP
cord-286146-im42752g	41	6	et	et	FW
cord-286146-im42752g	41	7	al	al	NNP
cord-286146-im42752g	41	8	.	.	.
cord-286146-im42752g	42	1	(	(	-LRB-
cord-286146-im42752g	42	2	2020	2020	CD
cord-286146-im42752g	42	3	)	)	-RRB-
cord-286146-im42752g	42	4	also	also	RB
cord-286146-im42752g	42	5	used	use	VBD
cord-286146-im42752g	42	6	air	air	NN
cord-286146-im42752g	42	7	travel	travel	NN
cord-286146-im42752g	42	8	data	datum	NNS
cord-286146-im42752g	42	9	of	of	IN
cord-286146-im42752g	42	10	departures	departure	NNS
cord-286146-im42752g	42	11	from	from	IN
cord-286146-im42752g	42	12	airports	airport	NNS
cord-286146-im42752g	42	13	in	in	IN
cord-286146-im42752g	42	14	the	the	DT
cord-286146-im42752g	42	15	affected	affect	VBN
cord-286146-im42752g	42	16	provinces	province	NNS
cord-286146-im42752g	42	17	in	in	IN
cord-286146-im42752g	42	18	China	China	NNP
cord-286146-im42752g	42	19	.	.	.
cord-286146-im42752g	43	1	Gilbert	Gilbert	NNP
cord-286146-im42752g	43	2	et	et	NNP
cord-286146-im42752g	43	3	al	al	NNP
cord-286146-im42752g	43	4	.	.	.
cord-286146-im42752g	44	1	(	(	-LRB-
cord-286146-im42752g	44	2	2020	2020	CD
cord-286146-im42752g	44	3	)	)	-RRB-
cord-286146-im42752g	44	4	focused	focus	VBD
cord-286146-im42752g	44	5	especially	especially	RB
cord-286146-im42752g	44	6	on	on	IN
cord-286146-im42752g	44	7	Africa	Africa	NNP
cord-286146-im42752g	44	8	and	and	CC
cord-286146-im42752g	44	9	estimated	estimate	VBD
cord-286146-im42752g	44	10	the	the	DT
cord-286146-im42752g	44	11	risk	risk	NN
cord-286146-im42752g	44	12	of	of	IN
cord-286146-im42752g	44	13	importation	importation	NN
cord-286146-im42752g	44	14	into	into	IN
cord-286146-im42752g	44	15	each	each	DT
cord-286146-im42752g	44	16	African	african	JJ
cord-286146-im42752g	44	17	country	country	NN
cord-286146-im42752g	44	18	and	and	CC
cord-286146-im42752g	44	19	the	the	DT
cord-286146-im42752g	44	20	results	result	NNS
cord-286146-im42752g	44	21	show	show	VBP
cord-286146-im42752g	44	22	that	that	IN
cord-286146-im42752g	44	23	Egypt	Egypt	NNP
cord-286146-im42752g	44	24	,	,	,
cord-286146-im42752g	44	25	Algeria	Algeria	NNP
cord-286146-im42752g	44	26	,	,	,
cord-286146-im42752g	44	27	and	and	CC
cord-286146-im42752g	44	28	South	South	NNP
cord-286146-im42752g	44	29	Africa	Africa	NNP
cord-286146-im42752g	44	30	were	be	VBD
cord-286146-im42752g	44	31	the	the	DT
cord-286146-im42752g	44	32	countries	country	NNS
cord-286146-im42752g	44	33	at	at	IN
cord-286146-im42752g	44	34	highest	high	JJS
cord-286146-im42752g	44	35	importation	importation	NN
cord-286146-im42752g	44	36	risk	risk	NN
cord-286146-im42752g	44	37	from	from	IN
cord-286146-im42752g	44	38	China	China	NNP
cord-286146-im42752g	44	39	;	;	:
cord-286146-im42752g	44	40	their	-PRON-	PRP$
cord-286146-im42752g	44	41	study	study	NN
cord-286146-im42752g	44	42	also	also	RB
cord-286146-im42752g	44	43	assessed	assess	VBD
cord-286146-im42752g	44	44	the	the	DT
cord-286146-im42752g	44	45	African	african	JJ
cord-286146-im42752g	44	46	countries	country	NNS
cord-286146-im42752g	44	47	'	'	POS
cord-286146-im42752g	44	48	capacity	capacity	NN
cord-286146-im42752g	44	49	to	to	TO
cord-286146-im42752g	44	50	detect	detect	VB
cord-286146-im42752g	44	51	and	and	CC
cord-286146-im42752g	44	52	respond	respond	VB
cord-286146-im42752g	44	53	to	to	IN
cord-286146-im42752g	44	54	COVID-19	covid-19	VB
cord-286146-im42752g	44	55	.	.	.
cord-286146-im42752g	45	1	Haider	Haider	NNP
cord-286146-im42752g	45	2	et	et	NNP
cord-286146-im42752g	45	3	al	al	NNP
cord-286146-im42752g	45	4	.	.	.
cord-286146-im42752g	46	1	(	(	-LRB-
cord-286146-im42752g	46	2	2020	2020	CD
cord-286146-im42752g	46	3	)	)	-RRB-
cord-286146-im42752g	46	4	estimated	estimate	VBD
cord-286146-im42752g	46	5	a	a	DT
cord-286146-im42752g	46	6	risk	risk	NN
cord-286146-im42752g	46	7	index	index	NN
cord-286146-im42752g	46	8	of	of	IN
cord-286146-im42752g	46	9	COVID-19	covid-19	JJ
cord-286146-im42752g	46	10	transmission	transmission	NN
cord-286146-im42752g	46	11	from	from	IN
cord-286146-im42752g	46	12	four	four	CD
cord-286146-im42752g	46	13	major	major	JJ
cord-286146-im42752g	46	14	cities	city	NNS
cord-286146-im42752g	46	15	of	of	IN
cord-286146-im42752g	46	16	China	China	NNP
cord-286146-im42752g	46	17	(	(	-LRB-
cord-286146-im42752g	46	18	Wuhan	Wuhan	NNP
cord-286146-im42752g	46	19	,	,	,
cord-286146-im42752g	46	20	Beijing	Beijing	NNP
cord-286146-im42752g	46	21	,	,	,
cord-286146-im42752g	46	22	Shanghai	Shanghai	NNP
cord-286146-im42752g	46	23	,	,	,
cord-286146-im42752g	46	24	and	and	CC
cord-286146-im42752g	46	25	Guangzhou	Guangzhou	NNP
cord-286146-im42752g	46	26	)	)	-RRB-
cord-286146-im42752g	46	27	based	base	VBN
cord-286146-im42752g	46	28	on	on	IN
cord-286146-im42752g	46	29	the	the	DT
cord-286146-im42752g	46	30	number	number	NN
cord-286146-im42752g	46	31	of	of	IN
cord-286146-im42752g	46	32	travelers	traveler	NNS
cord-286146-im42752g	46	33	to	to	IN
cord-286146-im42752g	46	34	destination	destination	NN
cord-286146-im42752g	46	35	countries	country	NNS
cord-286146-im42752g	46	36	,	,	,
cord-286146-im42752g	46	37	weighted	weight	VBN
cord-286146-im42752g	46	38	by	by	IN
cord-286146-im42752g	46	39	the	the	DT
cord-286146-im42752g	46	40	number	number	NN
cord-286146-im42752g	46	41	of	of	IN
cord-286146-im42752g	46	42	confirmed	confirm	VBN
cord-286146-im42752g	46	43	cases	case	NNS
cord-286146-im42752g	46	44	in	in	IN
cord-286146-im42752g	46	45	the	the	DT
cord-286146-im42752g	46	46	departed	depart	VBN
cord-286146-im42752g	46	47	city	city	NN
cord-286146-im42752g	46	48	reported	report	VBN
cord-286146-im42752g	46	49	by	by	IN
cord-286146-im42752g	46	50	the	the	DT
cord-286146-im42752g	46	51	WHO	WHO	NNP
cord-286146-im42752g	46	52	;	;	:
cord-286146-im42752g	46	53	they	-PRON-	PRP
cord-286146-im42752g	46	54	ranked	rank	VBD
cord-286146-im42752g	46	55	each	each	DT
cord-286146-im42752g	46	56	country	country	NN
cord-286146-im42752g	46	57	into	into	IN
cord-286146-im42752g	46	58	four	four	CD
cord-286146-im42752g	46	59	quartiles	quartile	NNS
cord-286146-im42752g	46	60	,	,	,
cord-286146-im42752g	46	61	based	base	VBN
cord-286146-im42752g	46	62	on	on	IN
cord-286146-im42752g	46	63	the	the	DT
cord-286146-im42752g	46	64	risk	risk	NN
cord-286146-im42752g	46	65	index	index	NN
cord-286146-im42752g	46	66	.	.	.
cord-286146-im42752g	47	1	Their	-PRON-	PRP$
cord-286146-im42752g	47	2	results	result	NNS
cord-286146-im42752g	47	3	show	show	VBP
cord-286146-im42752g	47	4	that	that	IN
cord-286146-im42752g	47	5	countries	country	NNS
cord-286146-im42752g	47	6	with	with	IN
cord-286146-im42752g	47	7	a	a	DT
cord-286146-im42752g	47	8	higher	high	JJR
cord-286146-im42752g	47	9	risk	risk	NN
cord-286146-im42752g	47	10	of	of	IN
cord-286146-im42752g	47	11	COVID-19	covid-19	JJ
cord-286146-im42752g	47	12	transmission	transmission	NN
cord-286146-im42752g	47	13	outside	outside	IN
cord-286146-im42752g	47	14	China	China	NNP
cord-286146-im42752g	47	15	are	be	VBP
cord-286146-im42752g	47	16	Thailand	Thailand	NNP
cord-286146-im42752g	47	17	,	,	,
cord-286146-im42752g	47	18	Cambodia	Cambodia	NNP
cord-286146-im42752g	47	19	,	,	,
cord-286146-im42752g	47	20	Malaysia	Malaysia	NNP
cord-286146-im42752g	47	21	,	,	,
cord-286146-im42752g	47	22	Canada	Canada	NNP
cord-286146-im42752g	47	23	,	,	,
cord-286146-im42752g	47	24	and	and	CC
cord-286146-im42752g	47	25	the	the	DT
cord-286146-im42752g	47	26	U.S.	U.S.	NNP
cord-286146-im42752g	48	1	Furthermore	furthermore	RB
cord-286146-im42752g	48	2	,	,	,
cord-286146-im42752g	48	3	Pinnoti	Pinnoti	NNP
cord-286146-im42752g	48	4	et	et	NNP
cord-286146-im42752g	48	5	al	al	NNP
cord-286146-im42752g	48	6	.	.	.
cord-286146-im42752g	49	1	(	(	-LRB-
cord-286146-im42752g	49	2	2020	2020	CD
cord-286146-im42752g	49	3	)	)	-RRB-
cord-286146-im42752g	49	4	analyzed	analyze	VBN
cord-286146-im42752g	49	5	importations	importation	NNS
cord-286146-im42752g	49	6	of	of	IN
cord-286146-im42752g	49	7	COVID-19	COVID-19	NNP
cord-286146-im42752g	49	8	that	that	WDT
cord-286146-im42752g	49	9	were	be	VBD
cord-286146-im42752g	49	10	successfully	successfully	RB
cord-286146-im42752g	49	11	isolated	isolate	VBN
cord-286146-im42752g	49	12	as	as	RB
cord-286146-im42752g	49	13	well	well	RB
cord-286146-im42752g	49	14	as	as	IN
cord-286146-im42752g	49	15	those	those	DT
cord-286146-im42752g	49	16	leading	lead	VBG
cord-286146-im42752g	49	17	to	to	IN
cord-286146-im42752g	49	18	onward	onward	JJ
cord-286146-im42752g	49	19	transmission	transmission	NN
cord-286146-im42752g	49	20	,	,	,
cord-286146-im42752g	49	21	while	while	IN
cord-286146-im42752g	49	22	Sun	Sun	NNP
cord-286146-im42752g	49	23	et	et	NNP
cord-286146-im42752g	49	24	al	al	NNP
cord-286146-im42752g	49	25	.	.	.
cord-286146-im42752g	50	1	(	(	-LRB-
cord-286146-im42752g	50	2	2020	2020	CD
cord-286146-im42752g	50	3	)	)	-RRB-
cord-286146-im42752g	50	4	assessed	assess	VBN
cord-286146-im42752g	50	5	trends	trend	NNS
cord-286146-im42752g	50	6	in	in	IN
cord-286146-im42752g	50	7	the	the	DT
cord-286146-im42752g	50	8	epidemiology	epidemiology	NN
cord-286146-im42752g	50	9	of	of	IN
cord-286146-im42752g	50	10	COVID-19	COVID-19	NNP
cord-286146-im42752g	50	11	and	and	CC
cord-286146-im42752g	50	12	studied	study	VBD
cord-286146-im42752g	50	13	the	the	DT
cord-286146-im42752g	50	14	outbreak	outbreak	NN
cord-286146-im42752g	50	15	progression	progression	NN
cord-286146-im42752g	50	16	across	across	IN
cord-286146-im42752g	50	17	China	China	NNP
cord-286146-im42752g	50	18	by	by	IN
cord-286146-im42752g	50	19	assessing	assess	VBG
cord-286146-im42752g	50	20	delays	delay	NNS
cord-286146-im42752g	50	21	between	between	IN
cord-286146-im42752g	50	22	symptom	symptom	NN
cord-286146-im42752g	50	23	onset	onset	NN
cord-286146-im42752g	50	24	and	and	CC
cord-286146-im42752g	50	25	reporting	report	VBG
cord-286146-im42752g	50	26	before	before	IN
cord-286146-im42752g	50	27	and	and	CC
cord-286146-im42752g	50	28	after	after	IN
cord-286146-im42752g	50	29	January	January	NNP
cord-286146-im42752g	50	30	18	18	CD
cord-286146-im42752g	50	31	,	,	,
cord-286146-im42752g	50	32	2020	2020	CD
cord-286146-im42752g	50	33	as	as	IN
cord-286146-im42752g	50	34	awareness	awareness	NN
cord-286146-im42752g	50	35	of	of	IN
cord-286146-im42752g	50	36	the	the	DT
cord-286146-im42752g	50	37	outbreak	outbreak	NN
cord-286146-im42752g	50	38	increased	increase	VBD
cord-286146-im42752g	50	39	.	.	.
cord-286146-im42752g	51	1	Pinnoti	Pinnoti	NNP
cord-286146-im42752g	51	2	et	et	IN
cord-286146-im42752g	51	3	al	al	NNP
cord-286146-im42752g	51	4	.	.	.
cord-286146-im42752g	52	1	(	(	-LRB-
cord-286146-im42752g	52	2	2020	2020	CD
cord-286146-im42752g	52	3	)	)	-RRB-
cord-286146-im42752g	52	4	found	find	VBD
cord-286146-im42752g	52	5	a	a	DT
cord-286146-im42752g	52	6	rapid	rapid	JJ
cord-286146-im42752g	52	7	exponential	exponential	JJ
cord-286146-im42752g	52	8	growth	growth	NN
cord-286146-im42752g	52	9	of	of	IN
cord-286146-im42752g	52	10	importations	importation	NNS
cord-286146-im42752g	52	11	from	from	IN
cord-286146-im42752g	52	12	Hubei	Hubei	NNP
cord-286146-im42752g	52	13	,	,	,
cord-286146-im42752g	52	14	combined	combine	VBN
cord-286146-im42752g	52	15	with	with	IN
cord-286146-im42752g	52	16	a	a	DT
cord-286146-im42752g	52	17	slower	slow	JJR
cord-286146-im42752g	52	18	growth	growth	NN
cord-286146-im42752g	52	19	from	from	IN
cord-286146-im42752g	52	20	the	the	DT
cord-286146-im42752g	52	21	other	other	JJ
cord-286146-im42752g	52	22	areas	area	NNS
cord-286146-im42752g	52	23	and	and	CC
cord-286146-im42752g	52	24	predicted	predict	VBD
cord-286146-im42752g	52	25	a	a	DT
cord-286146-im42752g	52	26	rebound	rebound	NN
cord-286146-im42752g	52	27	of	of	IN
cord-286146-im42752g	52	28	importations	importation	NNS
cord-286146-im42752g	52	29	from	from	IN
cord-286146-im42752g	52	30	South	South	NNP
cord-286146-im42752g	52	31	East	East	NNP
cord-286146-im42752g	52	32	Asia	Asia	NNP
cord-286146-im42752g	52	33	.	.	.
cord-286146-im42752g	53	1	Sun	Sun	NNP
cord-286146-im42752g	53	2	et	et	NNP
cord-286146-im42752g	53	3	al	al	NNP
cord-286146-im42752g	53	4	.	.	.
cord-286146-im42752g	54	1	(	(	-LRB-
cord-286146-im42752g	54	2	2020	2020	CD
cord-286146-im42752g	54	3	)	)	-RRB-
cord-286146-im42752g	54	4	collected	collect	VBD
cord-286146-im42752g	54	5	data	datum	NNS
cord-286146-im42752g	54	6	for	for	IN
cord-286146-im42752g	54	7	507	507	CD
cord-286146-im42752g	54	8	patients	patient	NNS
cord-286146-im42752g	54	9	with	with	IN
cord-286146-im42752g	54	10	COVID-19	COVID-19	NNP
cord-286146-im42752g	54	11	reported	report	VBN
cord-286146-im42752g	54	12	between	between	IN
cord-286146-im42752g	54	13	January	January	NNP
cord-286146-im42752g	54	14	13	13	CD
cord-286146-im42752g	54	15	and	and	CC
cord-286146-im42752g	54	16	January	January	NNP
cord-286146-im42752g	54	17	31	31	CD
cord-286146-im42752g	54	18	,	,	,
cord-286146-im42752g	54	19	2020	2020	CD
cord-286146-im42752g	54	20	and	and	CC
cord-286146-im42752g	54	21	found	find	VBD
cord-286146-im42752g	54	22	that	that	IN
cord-286146-im42752g	54	23	delays	delay	NNS
cord-286146-im42752g	54	24	between	between	IN
cord-286146-im42752g	54	25	symptom	symptom	NN
cord-286146-im42752g	54	26	onset	onset	NN
cord-286146-im42752g	54	27	and	and	CC
cord-286146-im42752g	54	28	seeking	seek	VBG
cord-286146-im42752g	54	29	care	care	NN
cord-286146-im42752g	54	30	at	at	IN
cord-286146-im42752g	54	31	a	a	DT
cord-286146-im42752g	54	32	hospital	hospital	NN
cord-286146-im42752g	54	33	or	or	CC
cord-286146-im42752g	54	34	clinic	clinic	NN
cord-286146-im42752g	54	35	were	be	VBD
cord-286146-im42752g	54	36	longer	long	JJR
cord-286146-im42752g	54	37	in	in	IN
cord-286146-im42752g	54	38	Hubei	Hubei	NNP
cord-286146-im42752g	54	39	province	province	NN
cord-286146-im42752g	54	40	than	than	IN
cord-286146-im42752g	54	41	in	in	IN
cord-286146-im42752g	54	42	other	other	JJ
cord-286146-im42752g	54	43	provinces	province	NNS
cord-286146-im42752g	54	44	in	in	IN
cord-286146-im42752g	54	45	mainland	mainland	NN
cord-286146-im42752g	54	46	China	China	NNP
cord-286146-im42752g	54	47	and	and	CC
cord-286146-im42752g	54	48	internationally	internationally	RB
cord-286146-im42752g	54	49	across	across	IN
cord-286146-im42752g	54	50	the	the	DT
cord-286146-im42752g	54	51	analyzed	analyze	VBN
cord-286146-im42752g	54	52	period	period	NN
cord-286146-im42752g	54	53	.	.	.
cord-286146-im42752g	55	1	Similar	similar	JJ
cord-286146-im42752g	55	2	studies	study	NNS
cord-286146-im42752g	55	3	have	have	VBP
cord-286146-im42752g	55	4	also	also	RB
cord-286146-im42752g	55	5	focused	focus	VBN
cord-286146-im42752g	55	6	on	on	IN
cord-286146-im42752g	55	7	other	other	JJ
cord-286146-im42752g	55	8	infectious	infectious	JJ
cord-286146-im42752g	55	9	diseases	disease	NNS
cord-286146-im42752g	55	10	such	such	JJ
cord-286146-im42752g	55	11	as	as	IN
cord-286146-im42752g	55	12	the	the	DT
cord-286146-im42752g	55	13	Zika	Zika	NNP
cord-286146-im42752g	55	14	virus	virus	NN
cord-286146-im42752g	55	15	(	(	-LRB-
cord-286146-im42752g	55	16	Rockl€	rockl€	FW
cord-286146-im42752g	55	17	ov	ov	NN
cord-286146-im42752g	55	18	et	et	FW
cord-286146-im42752g	55	19	al	al	NNP
cord-286146-im42752g	55	20	.	.	NNP
cord-286146-im42752g	55	21	,	,	,
cord-286146-im42752g	55	22	2020	2020	CD
cord-286146-im42752g	55	23	;	;	:
cord-286146-im42752g	55	24	Luo	Luo	NNP
cord-286146-im42752g	55	25	et	et	NNP
cord-286146-im42752g	55	26	al	al	NNP
cord-286146-im42752g	55	27	.	.	NNP
cord-286146-im42752g	55	28	,	,	,
cord-286146-im42752g	55	29	2020	2020	CD
cord-286146-im42752g	55	30	)	)	-RRB-
cord-286146-im42752g	55	31	,	,	,
cord-286146-im42752g	55	32	yellow	yellow	JJ
cord-286146-im42752g	55	33	fever	fever	NN
cord-286146-im42752g	55	34	(	(	-LRB-
cord-286146-im42752g	55	35	Shearer	Shearer	NNP
cord-286146-im42752g	55	36	et	et	NNP
cord-286146-im42752g	55	37	al	al	NNP
cord-286146-im42752g	55	38	.	.	NNP
cord-286146-im42752g	55	39	,	,	,
cord-286146-im42752g	55	40	2018	2018	CD
cord-286146-im42752g	55	41	)	)	-RRB-
cord-286146-im42752g	55	42	,	,	,
cord-286146-im42752g	55	43	the	the	DT
cord-286146-im42752g	55	44	influenza	influenza	NN
cord-286146-im42752g	55	45	virus	virus	NN
cord-286146-im42752g	55	46	(	(	-LRB-
cord-286146-im42752g	55	47	Balcan	Balcan	NNP
cord-286146-im42752g	55	48	et	et	NNP
cord-286146-im42752g	55	49	al	al	NNP
cord-286146-im42752g	55	50	.	.	NNP
cord-286146-im42752g	55	51	,	,	,
cord-286146-im42752g	55	52	2009	2009	CD
cord-286146-im42752g	55	53	;	;	:
cord-286146-im42752g	55	54	Lee	Lee	NNP
cord-286146-im42752g	55	55	et	et	NNP
cord-286146-im42752g	55	56	al	al	NNP
cord-286146-im42752g	55	57	.	.	NNP
cord-286146-im42752g	55	58	,	,	,
cord-286146-im42752g	55	59	2018	2018	CD
cord-286146-im42752g	55	60	)	)	-RRB-
cord-286146-im42752g	55	61	,	,	,
cord-286146-im42752g	55	62	Ebola	Ebola	NNP
cord-286146-im42752g	55	63	(	(	-LRB-
cord-286146-im42752g	55	64	Marston	Marston	NNP
cord-286146-im42752g	55	65	et	et	NNP
cord-286146-im42752g	55	66	al	al	NNP
cord-286146-im42752g	55	67	.	.	NNP
cord-286146-im42752g	55	68	,	,	,
cord-286146-im42752g	55	69	2017	2017	CD
cord-286146-im42752g	55	70	)	)	-RRB-
cord-286146-im42752g	55	71	,	,	,
cord-286146-im42752g	55	72	SARS	SARS	NNP
cord-286146-im42752g	55	73	(	(	-LRB-
cord-286146-im42752g	55	74	Drake	Drake	NNP
cord-286146-im42752g	55	75	et	et	NNP
cord-286146-im42752g	55	76	al	al	NNP
cord-286146-im42752g	55	77	.	.	NNP
cord-286146-im42752g	55	78	,	,	,
cord-286146-im42752g	55	79	2006	2006	CD
cord-286146-im42752g	55	80	)	)	-RRB-
cord-286146-im42752g	55	81	,	,	,
cord-286146-im42752g	55	82	and	and	CC
cord-286146-im42752g	55	83	others	other	NNS
cord-286146-im42752g	55	84	(	(	-LRB-
cord-286146-im42752g	55	85	Leta	Leta	NNP
cord-286146-im42752g	55	86	et	et	NNP
cord-286146-im42752g	55	87	al	al	NNP
cord-286146-im42752g	55	88	.	.	NNP
cord-286146-im42752g	55	89	,	,	,
cord-286146-im42752g	55	90	2018	2018	CD
cord-286146-im42752g	55	91	)	)	-RRB-
cord-286146-im42752g	55	92	.	.	.
cord-286146-im42752g	56	1	Although	although	IN
cord-286146-im42752g	56	2	the	the	DT
cord-286146-im42752g	56	3	target	target	NN
cord-286146-im42752g	56	4	of	of	IN
cord-286146-im42752g	56	5	each	each	DT
cord-286146-im42752g	56	6	study	study	NN
cord-286146-im42752g	56	7	varies	vary	VBZ
cord-286146-im42752g	56	8	,	,	,
cord-286146-im42752g	56	9	some	some	DT
cord-286146-im42752g	56	10	have	have	VBP
cord-286146-im42752g	56	11	common	common	JJ
cord-286146-im42752g	56	12	interests	interest	NNS
cord-286146-im42752g	56	13	,	,	,
cord-286146-im42752g	56	14	both	both	CC
cord-286146-im42752g	56	15	in	in	IN
cord-286146-im42752g	56	16	terms	term	NNS
cord-286146-im42752g	56	17	of	of	IN
cord-286146-im42752g	56	18	the	the	DT
cord-286146-im42752g	56	19	role	role	NN
cord-286146-im42752g	56	20	of	of	IN
cord-286146-im42752g	56	21	airports	airport	NNS
cord-286146-im42752g	56	22	or	or	CC
cord-286146-im42752g	56	23	airlines	airline	NNS
cord-286146-im42752g	56	24	in	in	IN
cord-286146-im42752g	56	25	disease	disease	NN
cord-286146-im42752g	56	26	transmission	transmission	NN
cord-286146-im42752g	56	27	(	(	-LRB-
cord-286146-im42752g	56	28	Hsu	Hsu	NNP
cord-286146-im42752g	56	29	and	and	CC
cord-286146-im42752g	56	30	Shih	Shih	NNP
cord-286146-im42752g	56	31	,	,	,
cord-286146-im42752g	56	32	2010	2010	CD
cord-286146-im42752g	56	33	)	)	-RRB-
cord-286146-im42752g	56	34	and	and	CC
cord-286146-im42752g	56	35	using	use	VBG
cord-286146-im42752g	56	36	spatial	spatial	JJ
cord-286146-im42752g	56	37	or	or	CC
cord-286146-im42752g	56	38	mapping	mapping	NN
cord-286146-im42752g	56	39	information	information	NN
cord-286146-im42752g	56	40	for	for	IN
cord-286146-im42752g	56	41	analysis	analysis	NN
cord-286146-im42752g	57	1	(	(	-LRB-
cord-286146-im42752g	57	2	Leta	Leta	NNP
cord-286146-im42752g	57	3	et	et	NNP
cord-286146-im42752g	57	4	al	al	NNP
cord-286146-im42752g	57	5	.	.	NNP
cord-286146-im42752g	57	6	,	,	,
cord-286146-im42752g	57	7	2018	2018	CD
cord-286146-im42752g	57	8	)	)	-RRB-
cord-286146-im42752g	57	9	.	.	.
cord-286146-im42752g	58	1	This	this	DT
cord-286146-im42752g	58	2	study	study	NN
cord-286146-im42752g	58	3	focuses	focus	VBZ
cord-286146-im42752g	58	4	on	on	IN
cord-286146-im42752g	58	5	COVID-19	COVID-19	NNP
cord-286146-im42752g	58	6	to	to	TO
cord-286146-im42752g	58	7	calculate	calculate	VB
cord-286146-im42752g	58	8	the	the	DT
cord-286146-im42752g	58	9	relative	relative	JJ
cord-286146-im42752g	58	10	risk	risk	NN
cord-286146-im42752g	58	11	of	of	IN
cord-286146-im42752g	58	12	importation	importation	NN
cord-286146-im42752g	58	13	and	and	CC
cord-286146-im42752g	58	14	exportation	exportation	NN
cord-286146-im42752g	58	15	of	of	IN
cord-286146-im42752g	58	16	the	the	DT
cord-286146-im42752g	58	17	virus	virus	NN
cord-286146-im42752g	58	18	;	;	:
cord-286146-im42752g	58	19	the	the	DT
cord-286146-im42752g	58	20	methodologies	methodology	NNS
cord-286146-im42752g	58	21	are	be	VBP
cord-286146-im42752g	58	22	based	base	VBN
cord-286146-im42752g	58	23	on	on	IN
cord-286146-im42752g	58	24	existing	exist	VBG
cord-286146-im42752g	58	25	studies	study	NNS
cord-286146-im42752g	58	26	.	.	.
cord-286146-im42752g	59	1	Although	although	IN
cord-286146-im42752g	59	2	the	the	DT
cord-286146-im42752g	59	3	existing	exist	VBG
cord-286146-im42752g	59	4	studies	study	NNS
cord-286146-im42752g	59	5	analyzed	analyze	VBD
cord-286146-im42752g	59	6	the	the	DT
cord-286146-im42752g	59	7	importation	importation	NN
cord-286146-im42752g	59	8	risk	risk	NN
cord-286146-im42752g	59	9	of	of	IN
cord-286146-im42752g	59	10	COVID-19	COVID-19	NNP
cord-286146-im42752g	59	11	from	from	IN
cord-286146-im42752g	59	12	China	China	NNP
cord-286146-im42752g	59	13	to	to	IN
cord-286146-im42752g	59	14	Europe	Europe	NNP
cord-286146-im42752g	59	15	,	,	,
cord-286146-im42752g	59	16	Africa	Africa	NNP
cord-286146-im42752g	59	17	,	,	,
cord-286146-im42752g	59	18	or	or	CC
cord-286146-im42752g	59	19	the	the	DT
cord-286146-im42752g	59	20	other	other	JJ
cord-286146-im42752g	59	21	countries	country	NNS
cord-286146-im42752g	59	22	,	,	,
cord-286146-im42752g	59	23	COVID-19	COVID-19	NNP
cord-286146-im42752g	59	24	is	be	VBZ
cord-286146-im42752g	59	25	currently	currently	RB
cord-286146-im42752g	59	26	regarded	regard	VBN
cord-286146-im42752g	59	27	as	as	IN
cord-286146-im42752g	59	28	a	a	DT
cord-286146-im42752g	59	29	global	global	JJ
cord-286146-im42752g	59	30	pandemic	pandemic	NN
cord-286146-im42752g	59	31	disease	disease	NN
cord-286146-im42752g	59	32	and	and	CC
cord-286146-im42752g	59	33	every	every	DT
cord-286146-im42752g	59	34	city	city	NN
cord-286146-im42752g	59	35	or	or	CC
cord-286146-im42752g	59	36	country	country	NN
cord-286146-im42752g	59	37	has	have	VBZ
cord-286146-im42752g	59	38	the	the	DT
cord-286146-im42752g	59	39	potential	potential	NN
cord-286146-im42752g	59	40	to	to	TO
cord-286146-im42752g	59	41	be	be	VB
cord-286146-im42752g	59	42	not	not	RB
cord-286146-im42752g	59	43	only	only	RB
cord-286146-im42752g	59	44	the	the	DT
cord-286146-im42752g	59	45	epicenter	epicenter	NN
cord-286146-im42752g	59	46	but	but	CC
cord-286146-im42752g	59	47	also	also	RB
cord-286146-im42752g	59	48	a	a	DT
cord-286146-im42752g	59	49	destination	destination	NN
cord-286146-im42752g	59	50	of	of	IN
cord-286146-im42752g	59	51	disease	disease	NN
cord-286146-im42752g	59	52	spread	spread	VBD
cord-286146-im42752g	59	53	via	via	IN
cord-286146-im42752g	59	54	the	the	DT
cord-286146-im42752g	59	55	global	global	JJ
cord-286146-im42752g	59	56	mobility	mobility	NN
cord-286146-im42752g	59	57	of	of	IN
cord-286146-im42752g	59	58	people	people	NNS
cord-286146-im42752g	59	59	around	around	IN
cord-286146-im42752g	59	60	the	the	DT
cord-286146-im42752g	59	61	world	world	NN
cord-286146-im42752g	59	62	.	.	.
cord-286146-im42752g	60	1	Therefore	therefore	RB
cord-286146-im42752g	60	2	,	,	,
cord-286146-im42752g	60	3	the	the	DT
cord-286146-im42752g	60	4	most	most	RBS
cord-286146-im42752g	60	5	important	important	JJ
cord-286146-im42752g	60	6	contribution	contribution	NN
cord-286146-im42752g	60	7	of	of	IN
cord-286146-im42752g	60	8	this	this	DT
cord-286146-im42752g	60	9	study	study	NN
cord-286146-im42752g	60	10	is	be	VBZ
cord-286146-im42752g	60	11	its	-PRON-	PRP$
cord-286146-im42752g	60	12	assessment	assessment	NN
cord-286146-im42752g	60	13	of	of	IN
cord-286146-im42752g	60	14	both	both	DT
cord-286146-im42752g	60	15	importation	importation	NN
cord-286146-im42752g	60	16	and	and	CC
cord-286146-im42752g	60	17	exportation	exportation	NN
cord-286146-im42752g	60	18	risk	risk	NN
cord-286146-im42752g	60	19	of	of	IN
cord-286146-im42752g	60	20	COVID-19	COVID-19	NNP
cord-286146-im42752g	60	21	spread	spread	VBN
cord-286146-im42752g	60	22	via	via	IN
cord-286146-im42752g	60	23	air	air	NN
cord-286146-im42752g	60	24	travel	travel	NN
cord-286146-im42752g	60	25	from	from	IN
cord-286146-im42752g	60	26	/	/	SYM
cord-286146-im42752g	60	27	to	to	IN
cord-286146-im42752g	60	28	world	world	NN
cord-286146-im42752g	60	29	airports	airport	NNS
cord-286146-im42752g	60	30	based	base	VBN
cord-286146-im42752g	60	31	on	on	IN
cord-286146-im42752g	60	32	the	the	DT
cord-286146-im42752g	60	33	confirmed	confirm	VBN
cord-286146-im42752g	60	34	disease	disease	NN
cord-286146-im42752g	60	35	,	,	,
cord-286146-im42752g	60	36	air	air	NN
cord-286146-im42752g	60	37	travel	travel	NN
cord-286146-im42752g	60	38	,	,	,
cord-286146-im42752g	60	39	and	and	CC
cord-286146-im42752g	60	40	population	population	NN
cord-286146-im42752g	60	41	data	datum	NNS
cord-286146-im42752g	60	42	.	.	.
cord-286146-im42752g	61	1	Moreover	moreover	RB
cord-286146-im42752g	61	2	,	,	,
cord-286146-im42752g	61	3	the	the	DT
cord-286146-im42752g	61	4	change	change	NN
cord-286146-im42752g	61	5	in	in	IN
cord-286146-im42752g	61	6	the	the	DT
cord-286146-im42752g	61	7	risk	risk	NN
cord-286146-im42752g	61	8	of	of	IN
cord-286146-im42752g	61	9	importation	importation	NN
cord-286146-im42752g	61	10	is	be	VBZ
cord-286146-im42752g	61	11	based	base	VBN
cord-286146-im42752g	61	12	on	on	IN
cord-286146-im42752g	61	13	global	global	JJ
cord-286146-im42752g	61	14	spatial	spatial	JJ
cord-286146-im42752g	61	15	and	and	CC
cord-286146-im42752g	61	16	mapping	mapping	NN
cord-286146-im42752g	61	17	information	information	NN
cord-286146-im42752g	61	18	.	.	.
cord-286146-im42752g	62	1	On	on	IN
cord-286146-im42752g	62	2	March	March	NNP
cord-286146-im42752g	62	3	11	11	CD
cord-286146-im42752g	62	4	,	,	,
cord-286146-im42752g	62	5	2020	2020	CD
cord-286146-im42752g	62	6	,	,	,
cord-286146-im42752g	62	7	the	the	DT
cord-286146-im42752g	62	8	Director	Director	NNP
cord-286146-im42752g	62	9	-	-	HYPH
cord-286146-im42752g	62	10	General	General	NNP
cord-286146-im42752g	62	11	of	of	IN
cord-286146-im42752g	62	12	the	the	DT
cord-286146-im42752g	62	13	WHO	WHO	NNP
cord-286146-im42752g	62	14	(	(	-LRB-
cord-286146-im42752g	62	15	2020	2020	CD
cord-286146-im42752g	62	16	)	)	-RRB-
cord-286146-im42752g	62	17	characterized	characterize	VBD
cord-286146-im42752g	62	18	the	the	DT
cord-286146-im42752g	62	19	COVID-19	covid-19	JJ
cord-286146-im42752g	62	20	situation	situation	NN
cord-286146-im42752g	62	21	as	as	IN
cord-286146-im42752g	62	22	a	a	DT
cord-286146-im42752g	62	23	pandemic	pandemic	NN
cord-286146-im42752g	62	24	on	on	IN
cord-286146-im42752g	62	25	the	the	DT
cord-286146-im42752g	62	26	basis	basis	NN
cord-286146-im42752g	62	27	of	of	IN
cord-286146-im42752g	62	28	"	"	``
cord-286146-im42752g	62	29	alarming	alarming	JJ
cord-286146-im42752g	62	30	levels	level	NNS
cord-286146-im42752g	62	31	of	of	IN
cord-286146-im42752g	62	32	spread	spread	NN
cord-286146-im42752g	62	33	and	and	CC
cord-286146-im42752g	62	34	severity	severity	NN
cord-286146-im42752g	62	35	,	,	,
cord-286146-im42752g	62	36	and	and	CC
cord-286146-im42752g	62	37	by	by	IN
cord-286146-im42752g	62	38	the	the	DT
cord-286146-im42752g	62	39	alarming	alarming	JJ
cord-286146-im42752g	62	40	levels	level	NNS
cord-286146-im42752g	62	41	of	of	IN
cord-286146-im42752g	62	42	inaction	inaction	NN
cord-286146-im42752g	62	43	.	.	.
cord-286146-im42752g	63	1	"	"	``
cord-286146-im42752g	63	2	It	-PRON-	PRP
cord-286146-im42752g	63	3	is	be	VBZ
cord-286146-im42752g	63	4	therefore	therefore	RB
cord-286146-im42752g	63	5	urgent	urgent	JJ
cord-286146-im42752g	63	6	to	to	TO
cord-286146-im42752g	63	7	consider	consider	VB
cord-286146-im42752g	63	8	and	and	CC
cord-286146-im42752g	63	9	evaluate	evaluate	VB
cord-286146-im42752g	63	10	the	the	DT
cord-286146-im42752g	63	11	risk	risk	NN
cord-286146-im42752g	63	12	of	of	IN
cord-286146-im42752g	63	13	the	the	DT
cord-286146-im42752g	63	14	spread	spread	NN
cord-286146-im42752g	63	15	of	of	IN
cord-286146-im42752g	63	16	COVID-19	COVID-19	NNP
cord-286146-im42752g	63	17	not	not	RB
cord-286146-im42752g	63	18	only	only	RB
cord-286146-im42752g	63	19	from	from	IN
cord-286146-im42752g	63	20	a	a	DT
cord-286146-im42752g	63	21	specific	specific	JJ
cord-286146-im42752g	63	22	country	country	NN
cord-286146-im42752g	63	23	such	such	JJ
cord-286146-im42752g	63	24	as	as	IN
cord-286146-im42752g	63	25	China	China	NNP
cord-286146-im42752g	63	26	or	or	CC
cord-286146-im42752g	63	27	Italy	Italy	NNP
cord-286146-im42752g	63	28	,	,	,
cord-286146-im42752g	63	29	but	but	CC
cord-286146-im42752g	63	30	also	also	RB
cord-286146-im42752g	63	31	from	from	IN
cord-286146-im42752g	63	32	any	any	DT
cord-286146-im42752g	63	33	other	other	JJ
cord-286146-im42752g	63	34	global	global	JJ
cord-286146-im42752g	63	35	location	location	NN
cord-286146-im42752g	63	36	.	.	.
cord-286146-im42752g	64	1	The	the	DT
cord-286146-im42752g	64	2	risks	risk	NNS
cord-286146-im42752g	64	3	of	of	IN
cord-286146-im42752g	64	4	importation	importation	NN
cord-286146-im42752g	64	5	and	and	CC
cord-286146-im42752g	64	6	exportation	exportation	NN
cord-286146-im42752g	64	7	of	of	IN
cord-286146-im42752g	64	8	COVID-19	COVID-19	NNP
cord-286146-im42752g	64	9	were	be	VBD
cord-286146-im42752g	64	10	calculated	calculate	VBN
cord-286146-im42752g	64	11	based	base	VBN
cord-286146-im42752g	64	12	on	on	IN
cord-286146-im42752g	64	13	origin	origin	NN
cord-286146-im42752g	64	14	-	-	:
cord-286146-im42752g	64	15	destination	destination	NN
cord-286146-im42752g	64	16	(	(	-LRB-
cord-286146-im42752g	64	17	OD	OD	NNP
cord-286146-im42752g	64	18	)	)	-RRB-
cord-286146-im42752g	64	19	annual	annual	JJ
cord-286146-im42752g	64	20	air	air	NN
cord-286146-im42752g	64	21	travel	travel	NN
cord-286146-im42752g	64	22	flows	flow	NNS
cord-286146-im42752g	64	23	(	(	-LRB-
cord-286146-im42752g	64	24	Fig	Fig	NNP
cord-286146-im42752g	64	25	.	.	NNP
cord-286146-im42752g	64	26	1	1	CD
cord-286146-im42752g	64	27	)	)	-RRB-
cord-286146-im42752g	64	28	.	.	.
cord-286146-im42752g	65	1	The	the	DT
cord-286146-im42752g	65	2	annual	annual	JJ
cord-286146-im42752g	65	3	air	air	NN
cord-286146-im42752g	65	4	travel	travel	NN
cord-286146-im42752g	65	5	flows	flow	NNS
cord-286146-im42752g	65	6	used	use	VBN
cord-286146-im42752g	65	7	in	in	IN
cord-286146-im42752g	65	8	this	this	DT
cord-286146-im42752g	65	9	study	study	NN
cord-286146-im42752g	65	10	were	be	VBD
cord-286146-im42752g	65	11	estimated	estimate	VBN
cord-286146-im42752g	65	12	based	base	VBN
cord-286146-im42752g	65	13	on	on	IN
cord-286146-im42752g	65	14	Huang	Huang	NNP
cord-286146-im42752g	65	15	et	et	FW
cord-286146-im42752g	65	16	al	al	NNP
cord-286146-im42752g	65	17	.	.	.
cord-286146-im42752g	66	1	(	(	-LRB-
cord-286146-im42752g	66	2	2013	2013	CD
cord-286146-im42752g	66	3	)	)	-RRB-
cord-286146-im42752g	66	4	model	model	NN
cord-286146-im42752g	66	5	,	,	,
cord-286146-im42752g	66	6	where	where	WRB
cord-286146-im42752g	66	7	passenger	passenger	NN
cord-286146-im42752g	66	8	flows	flow	VBZ
cord-286146-im42752g	66	9	between	between	IN
cord-286146-im42752g	66	10	1491	1491	CD
cord-286146-im42752g	66	11	airports	airport	NNS
cord-286146-im42752g	66	12	on	on	IN
cord-286146-im42752g	66	13	644,406	644,406	CD
cord-286146-im42752g	66	14	unique	unique	JJ
cord-286146-im42752g	66	15	routes	route	NNS
cord-286146-im42752g	66	16	were	be	VBD
cord-286146-im42752g	66	17	computed	compute	VBN
cord-286146-im42752g	66	18	based	base	VBN
cord-286146-im42752g	66	19	on	on	IN
cord-286146-im42752g	66	20	a	a	DT
cord-286146-im42752g	66	21	dataset	dataset	NN
cord-286146-im42752g	66	22	of	of	IN
cord-286146-im42752g	66	23	network	network	NN
cord-286146-im42752g	66	24	characteristics	characteristic	NNS
cord-286146-im42752g	66	25	,	,	,
cord-286146-im42752g	66	26	city	city	NN
cord-286146-im42752g	66	27	population	population	NN
cord-286146-im42752g	66	28	,	,	,
cord-286146-im42752g	66	29	and	and	CC
cord-286146-im42752g	66	30	local	local	JJ
cord-286146-im42752g	66	31	area	area	NN
cord-286146-im42752g	66	32	GDP	GDP	NNP
cord-286146-im42752g	66	33	obtained	obtain	VBD
cord-286146-im42752g	66	34	from	from	IN
cord-286146-im42752g	66	35	a	a	DT
cord-286146-im42752g	66	36	variety	variety	NN
cord-286146-im42752g	66	37	of	of	IN
cord-286146-im42752g	66	38	sources	source	NNS
cord-286146-im42752g	66	39	[	[	-LRB-
cord-286146-im42752g	66	40	the	the	DT
cord-286146-im42752g	66	41	Airline	Airline	NNP
cord-286146-im42752g	66	42	Origin	Origin	NNP
cord-286146-im42752g	66	43	and	and	CC
cord-286146-im42752g	66	44	Destination	Destination	NNP
cord-286146-im42752g	66	45	Survey	Survey	NNP
cord-286146-im42752g	66	46	,	,	,
cord-286146-im42752g	66	47	EuroStat	EuroStat	NNP
cord-286146-im42752g	66	48	,	,	,
cord-286146-im42752g	66	49	and	and	CC
cord-286146-im42752g	66	50	the	the	DT
cord-286146-im42752g	66	51	Official	Official	NNP
cord-286146-im42752g	66	52	Aviation	Aviation	NNP
cord-286146-im42752g	66	53	Guide	Guide	NNP
cord-286146-im42752g	66	54	(	(	-LRB-
cord-286146-im42752g	66	55	OAG	OAG	NNP
cord-286146-im42752g	66	56	;	;	:
cord-286146-im42752g	66	57	www.oag.com	www.oag.com	ADD
cord-286146-im42752g	66	58	)	)	-RRB-
cord-286146-im42752g	66	59	;	;	:
cord-286146-im42752g	66	60	Huang	Huang	NNP
cord-286146-im42752g	66	61	et	et	NNP
cord-286146-im42752g	66	62	al	al	NNP
cord-286146-im42752g	66	63	.	.	.
cord-286146-im42752g	67	1	,	,	,
cord-286146-im42752g	67	2	2013	2013	CD
cord-286146-im42752g	67	3	]	]	-RRB-
cord-286146-im42752g	67	4	.	.	.
cord-286146-im42752g	68	1	Fig	Fig	NNP
cord-286146-im42752g	68	2	.	.	NNP
cord-286146-im42752g	68	3	2	2	CD
cord-286146-im42752g	68	4	shows	show	VBZ
cord-286146-im42752g	68	5	the	the	DT
cord-286146-im42752g	68	6	data	datum	NNS
cord-286146-im42752g	68	7	on	on	IN
cord-286146-im42752g	68	8	the	the	DT
cord-286146-im42752g	68	9	population	population	NN
cord-286146-im42752g	68	10	,	,	,
cord-286146-im42752g	68	11	airport	airport	NN
cord-286146-im42752g	68	12	location	location	NN
cord-286146-im42752g	68	13	,	,	,
cord-286146-im42752g	68	14	and	and	CC
cord-286146-im42752g	68	15	confirmed	confirm	VBD
cord-286146-im42752g	68	16	cases	case	NNS
cord-286146-im42752g	68	17	of	of	IN
cord-286146-im42752g	68	18	COVID-19	COVID-19	NNP
cord-286146-im42752g	68	19	.	.	.
cord-286146-im42752g	69	1	WorldPop	WorldPop	NNP
cord-286146-im42752g	69	2	(	(	-LRB-
cord-286146-im42752g	69	3	www.worldpop.org	www.worldpop.org	NN
cord-286146-im42752g	69	4	)	)	-RRB-
cord-286146-im42752g	69	5	provided	provide	VBD
cord-286146-im42752g	69	6	the	the	DT
cord-286146-im42752g	69	7	mosaiced	mosaiced	JJ
cord-286146-im42752g	69	8	1	1	CD
cord-286146-im42752g	69	9	km	km	NN
cord-286146-im42752g	69	10	resolution	resolution	NN
cord-286146-im42752g	69	11	global	global	JJ
cord-286146-im42752g	69	12	database	database	NN
cord-286146-im42752g	69	13	based	base	VBN
cord-286146-im42752g	69	14	on	on	IN
cord-286146-im42752g	69	15	Tatem	Tatem	NNP
cord-286146-im42752g	69	16	(	(	-LRB-
cord-286146-im42752g	69	17	2017	2017	CD
cord-286146-im42752g	69	18	)	)	-RRB-
cord-286146-im42752g	69	19	and	and	CC
cord-286146-im42752g	69	20	Lloyd	Lloyd	NNP
cord-286146-im42752g	69	21	et	et	NNP
cord-286146-im42752g	69	22	al	al	NNP
cord-286146-im42752g	69	23	.	.	.
cord-286146-im42752g	70	1	(	(	-LRB-
cord-286146-im42752g	70	2	2019	2019	CD
cord-286146-im42752g	70	3	)	)	-RRB-
cord-286146-im42752g	70	4	methodology	methodology	NN
cord-286146-im42752g	70	5	.	.	.
cord-286146-im42752g	71	1	The	the	DT
cord-286146-im42752g	71	2	confirmed	confirmed	JJ
cord-286146-im42752g	71	3	case	case	NN
cord-286146-im42752g	71	4	data	datum	NNS
cord-286146-im42752g	71	5	of	of	IN
cord-286146-im42752g	71	6	COVID-19	COVID-19	NNP
cord-286146-im42752g	71	7	include	include	VBP
cord-286146-im42752g	71	8	all	all	DT
cord-286146-im42752g	71	9	confirmed	confirm	VBN
cord-286146-im42752g	71	10	cases	case	NNS
cord-286146-im42752g	71	11	recorded	record	VBN
cord-286146-im42752g	71	12	until	until	IN
cord-286146-im42752g	71	13	March	March	NNP
cord-286146-im42752g	71	14	14	14	CD
cord-286146-im42752g	71	15	,	,	,
cord-286146-im42752g	71	16	2020	2020	CD
cord-286146-im42752g	71	17	,	,	,
cord-286146-im42752g	71	18	as	as	IN
cord-286146-im42752g	71	19	provided	provide	VBN
cord-286146-im42752g	71	20	by	by	IN
cord-286146-im42752g	71	21	the	the	DT
cord-286146-im42752g	71	22	Johns	Johns	NNP
cord-286146-im42752g	71	23	Hopkins	Hopkins	NNP
cord-286146-im42752g	71	24	Center	Center	NNP
cord-286146-im42752g	71	25	for	for	IN
cord-286146-im42752g	71	26	Systems	Systems	NNP
cord-286146-im42752g	71	27	Science	Science	NNP
cord-286146-im42752g	71	28	and	and	CC
cord-286146-im42752g	71	29	Engineering	Engineering	NNP
cord-286146-im42752g	71	30	,	,	,
cord-286146-im42752g	71	31	2020	2020	CD
cord-286146-im42752g	71	32	;	;	:
cord-286146-im42752g	71	33	these	these	DT
cord-286146-im42752g	71	34	data	datum	NNS
cord-286146-im42752g	71	35	were	be	VBD
cord-286146-im42752g	71	36	also	also	RB
cord-286146-im42752g	71	37	used	use	VBN
cord-286146-im42752g	71	38	by	by	IN
cord-286146-im42752g	71	39	Haider	Haider	NNP
cord-286146-im42752g	71	40	et	et	NNP
cord-286146-im42752g	71	41	al	al	NNP
cord-286146-im42752g	71	42	.	.	.
cord-286146-im42752g	72	1	(	(	-LRB-
cord-286146-im42752g	72	2	2020	2020	CD
cord-286146-im42752g	72	3	)	)	-RRB-
cord-286146-im42752g	72	4	,	,	,
cord-286146-im42752g	72	5	Chinazzi	Chinazzi	NNP
cord-286146-im42752g	72	6	et	et	NNP
cord-286146-im42752g	72	7	al	al	NNP
cord-286146-im42752g	72	8	.	.	.
cord-286146-im42752g	73	1	(	(	-LRB-
cord-286146-im42752g	73	2	2020	2020	CD
cord-286146-im42752g	73	3	)	)	-RRB-
cord-286146-im42752g	73	4	,	,	,
cord-286146-im42752g	73	5	and	and	CC
cord-286146-im42752g	73	6	Gilbert	Gilbert	NNP
cord-286146-im42752g	73	7	et	et	NNP
cord-286146-im42752g	73	8	al	al	NNP
cord-286146-im42752g	73	9	.	.	.
cord-286146-im42752g	74	1	(	(	-LRB-
cord-286146-im42752g	74	2	2020	2020	CD
cord-286146-im42752g	74	3	)	)	-RRB-
cord-286146-im42752g	74	4	.	.	.
cord-286146-im42752g	75	1	The	the	DT
cord-286146-im42752g	75	2	detailed	detailed	JJ
cord-286146-im42752g	75	3	calculation	calculation	NN
cord-286146-im42752g	75	4	methodology	methodology	NN
cord-286146-im42752g	75	5	is	be	VBZ
cord-286146-im42752g	75	6	based	base	VBN
cord-286146-im42752g	75	7	on	on	IN
cord-286146-im42752g	75	8	Gilbert	Gilbert	NNP
cord-286146-im42752g	75	9	et	et	NNP
cord-286146-im42752g	75	10	al	al	NNP
cord-286146-im42752g	75	11	.	.	.
cord-286146-im42752g	76	1	(	(	-LRB-
cord-286146-im42752g	76	2	2020	2020	CD
cord-286146-im42752g	76	3	)	)	-RRB-
cord-286146-im42752g	77	1	and	and	CC
cord-286146-im42752g	77	2	is	be	VBZ
cord-286146-im42752g	77	3	as	as	IN
cord-286146-im42752g	77	4	follows	follow	VBZ
cord-286146-im42752g	77	5	.	.	.
cord-286146-im42752g	78	1	Risk	risk	NN
cord-286146-im42752g	78	2	flow	flow	NN
cord-286146-im42752g	78	3	(	(	-LRB-
cord-286146-im42752g	78	4	γ	γ	NN
cord-286146-im42752g	78	5	od	od	NNP
cord-286146-im42752g	78	6	)	)	-RRB-
cord-286146-im42752g	78	7	from	from	IN
cord-286146-im42752g	78	8	origin	origin	NN
cord-286146-im42752g	78	9	to	to	IN
cord-286146-im42752g	78	10	destination	destination	NN
cord-286146-im42752g	78	11	is	be	VBZ
cord-286146-im42752g	78	12	calculated	calculate	VBN
cord-286146-im42752g	78	13	by	by	IN
cord-286146-im42752g	78	14	:	:	:
cord-286146-im42752g	78	15	where	where	WRB
cord-286146-im42752g	78	16	n	n	NNP
cord-286146-im42752g	78	17	o	o	NN
cord-286146-im42752g	78	18	is	be	VBZ
cord-286146-im42752g	78	19	the	the	DT
cord-286146-im42752g	78	20	travel	travel	NN
cord-286146-im42752g	78	21	flow	flow	NN
cord-286146-im42752g	78	22	from	from	IN
cord-286146-im42752g	78	23	the	the	DT
cord-286146-im42752g	78	24	origin	origin	NN
cord-286146-im42752g	78	25	(	(	-LRB-
cord-286146-im42752g	78	26	o	o	UH
cord-286146-im42752g	78	27	)	)	-RRB-
cord-286146-im42752g	78	28	,	,	,
cord-286146-im42752g	78	29	and	and	CC
cord-286146-im42752g	78	30	the	the	DT
cord-286146-im42752g	78	31	cumulative	cumulative	JJ
cord-286146-im42752g	78	32	incidence	incidence	NN
cord-286146-im42752g	78	33	(	(	-LRB-
cord-286146-im42752g	78	34	e	e	NN
cord-286146-im42752g	78	35	o	o	NN
cord-286146-im42752g	78	36	)	)	-RRB-
cord-286146-im42752g	78	37	is	be	VBZ
cord-286146-im42752g	78	38	calculated	calculate	VBN
cord-286146-im42752g	78	39	as	as	IN
cord-286146-im42752g	78	40	the	the	DT
cord-286146-im42752g	78	41	total	total	JJ
cord-286146-im42752g	78	42	number	number	NN
cord-286146-im42752g	78	43	of	of	IN
cord-286146-im42752g	78	44	confirmed	confirm	VBN
cord-286146-im42752g	78	45	cases	case	NNS
cord-286146-im42752g	78	46	per	per	IN
cord-286146-im42752g	78	47	municipality	municipality	NN
cord-286146-im42752g	78	48	where	where	WRB
cord-286146-im42752g	78	49	airports	airport	NNS
cord-286146-im42752g	78	50	are	be	VBP
cord-286146-im42752g	78	51	located	locate	VBN
cord-286146-im42752g	78	52	,	,	,
cord-286146-im42752g	78	53	divided	divide	VBN
cord-286146-im42752g	78	54	by	by	IN
cord-286146-im42752g	78	55	the	the	DT
cord-286146-im42752g	78	56	municipal	municipal	JJ
cord-286146-im42752g	78	57	population	population	NN
cord-286146-im42752g	78	58	.	.	.
cord-286146-im42752g	79	1	A	a	DT
cord-286146-im42752g	79	2	od	od	NN
cord-286146-im42752g	79	3	is	be	VBZ
cord-286146-im42752g	79	4	the	the	DT
cord-286146-im42752g	79	5	probability	probability	NN
cord-286146-im42752g	79	6	of	of	IN
cord-286146-im42752g	79	7	traveling	travel	VBG
cord-286146-im42752g	79	8	from	from	IN
cord-286146-im42752g	79	9	origin	origin	NN
cord-286146-im42752g	79	10	(	(	-LRB-
cord-286146-im42752g	79	11	o	o	UH
cord-286146-im42752g	79	12	)	)	-RRB-
cord-286146-im42752g	79	13	to	to	IN
cord-286146-im42752g	79	14	destination	destination	NN
cord-286146-im42752g	79	15	(	(	-LRB-
cord-286146-im42752g	79	16	d	d	NNP
cord-286146-im42752g	79	17	)	)	-RRB-
cord-286146-im42752g	79	18	,	,	,
cord-286146-im42752g	79	19	conditioned	condition	VBN
cord-286146-im42752g	79	20	on	on	IN
cord-286146-im42752g	79	21	traveling	travel	VBG
cord-286146-im42752g	79	22	internationally	internationally	RB
cord-286146-im42752g	79	23	.	.	.
cord-286146-im42752g	80	1	The	the	DT
cord-286146-im42752g	80	2	exportation	exportation	NN
cord-286146-im42752g	80	3	risk	risk	NN
cord-286146-im42752g	80	4	from	from	IN
cord-286146-im42752g	80	5	origin	origin	NN
cord-286146-im42752g	80	6	(	(	-LRB-
cord-286146-im42752g	80	7	o	o	UH
cord-286146-im42752g	80	8	)	)	-RRB-
cord-286146-im42752g	80	9	is	be	VBZ
cord-286146-im42752g	80	10	then	then	RB
cord-286146-im42752g	80	11	:	:	:
cord-286146-im42752g	80	12	Similarly	similarly	RB
cord-286146-im42752g	80	13	,	,	,
cord-286146-im42752g	80	14	the	the	DT
cord-286146-im42752g	80	15	importation	importation	NN
cord-286146-im42752g	80	16	risk	risk	NN
cord-286146-im42752g	80	17	to	to	IN
cord-286146-im42752g	80	18	destination	destination	NN
cord-286146-im42752g	80	19	(	(	-LRB-
cord-286146-im42752g	80	20	d	d	NN
cord-286146-im42752g	80	21	)	)	-RRB-
cord-286146-im42752g	80	22	from	from	IN
cord-286146-im42752g	80	23	any	any	DT
cord-286146-im42752g	80	24	origin	origin	NN
cord-286146-im42752g	80	25	is	be	VBZ
cord-286146-im42752g	80	26	:	:	:
cord-286146-im42752g	80	27	where	where	WRB
cord-286146-im42752g	80	28	both	both	CC
cord-286146-im42752g	80	29	these	these	DT
cord-286146-im42752g	80	30	relative	relative	JJ
cord-286146-im42752g	80	31	risks	risk	NNS
cord-286146-im42752g	80	32	are	be	VBP
cord-286146-im42752g	80	33	normalized	normalize	VBN
cord-286146-im42752g	80	34	to	to	IN
cord-286146-im42752g	80	35	1	1	CD
cord-286146-im42752g	80	36	.	.	.
cord-286146-im42752g	80	37	 	 	_SP
cord-286146-im42752g	81	1	Figs	fig	NNS
cord-286146-im42752g	81	2	.	.	.
cord-286146-im42752g	82	1	3	3	LS
cord-286146-im42752g	82	2	-	-	SYM
cord-286146-im42752g	82	3	6	6	CD
cord-286146-im42752g	82	4	show	show	VBP
cord-286146-im42752g	82	5	the	the	DT
cord-286146-im42752g	82	6	results	result	NNS
cord-286146-im42752g	82	7	of	of	IN
cord-286146-im42752g	82	8	the	the	DT
cord-286146-im42752g	82	9	risk	risk	NN
cord-286146-im42752g	82	10	flow	flow	NN
cord-286146-im42752g	82	11	and	and	CC
cord-286146-im42752g	82	12	the	the	DT
cord-286146-im42752g	82	13	relative	relative	JJ
cord-286146-im42752g	82	14	risk	risk	NN
cord-286146-im42752g	82	15	of	of	IN
cord-286146-im42752g	82	16	importation	importation	NN
cord-286146-im42752g	82	17	and	and	CC
cord-286146-im42752g	82	18	exportation	exportation	NN
cord-286146-im42752g	82	19	of	of	IN
cord-286146-im42752g	82	20	COVID-19	COVID-19	NNP
cord-286146-im42752g	82	21	via	via	IN
cord-286146-im42752g	82	22	airports	airport	NNS
cord-286146-im42752g	82	23	.	.	.
cord-286146-im42752g	83	1	Fig	Fig	NNP
cord-286146-im42752g	83	2	.	.	.
cord-286146-im42752g	84	1	3	3	CD
cord-286146-im42752g	84	2	shows	show	VBZ
cord-286146-im42752g	84	3	the	the	DT
cord-286146-im42752g	84	4	relative	relative	JJ
cord-286146-im42752g	84	5	risk	risk	NN
cord-286146-im42752g	84	6	of	of	IN
cord-286146-im42752g	84	7	importation	importation	NN
cord-286146-im42752g	84	8	and	and	CC
cord-286146-im42752g	84	9	exportation	exportation	NN
cord-286146-im42752g	84	10	of	of	IN
cord-286146-im42752g	84	11	each	each	DT
cord-286146-im42752g	84	12	airport	airport	NN
cord-286146-im42752g	84	13	and	and	CC
cord-286146-im42752g	84	14	Fig	Fig	NNP
cord-286146-im42752g	84	15	.	.	.
cord-286146-im42752g	85	1	4	4	LS
cord-286146-im42752g	85	2	shows	show	VBZ
cord-286146-im42752g	85	3	the	the	DT
cord-286146-im42752g	85	4	summarized	summarize	VBN
cord-286146-im42752g	85	5	values	value	NNS
cord-286146-im42752g	85	6	for	for	IN
cord-286146-im42752g	85	7	each	each	DT
cord-286146-im42752g	85	8	country	country	NN
cord-286146-im42752g	85	9	.	.	.
cord-286146-im42752g	86	1	Fig	Fig	NNP
cord-286146-im42752g	86	2	.	.	.
cord-286146-im42752g	87	1	3	3	LS
cord-286146-im42752g	87	2	shows	show	VBZ
cord-286146-im42752g	87	3	that	that	IN
cord-286146-im42752g	87	4	some	some	DT
cord-286146-im42752g	87	5	airports	airport	NNS
cord-286146-im42752g	87	6	,	,	,
cord-286146-im42752g	87	7	including	include	VBG
cord-286146-im42752g	87	8	in	in	IN
cord-286146-im42752g	87	9	China	China	NNP
cord-286146-im42752g	87	10	and	and	CC
cord-286146-im42752g	87	11	Iran	Iran	NNP
cord-286146-im42752g	87	12	,	,	,
cord-286146-im42752g	87	13	have	have	VBP
cord-286146-im42752g	87	14	a	a	DT
cord-286146-im42752g	87	15	higher	high	JJR
cord-286146-im42752g	87	16	risk	risk	NN
cord-286146-im42752g	87	17	of	of	IN
cord-286146-im42752g	87	18	both	both	DT
cord-286146-im42752g	87	19	importation	importation	NN
cord-286146-im42752g	87	20	and	and	CC
cord-286146-im42752g	87	21	exportation	exportation	NN
cord-286146-im42752g	87	22	than	than	IN
cord-286146-im42752g	87	23	other	other	JJ
cord-286146-im42752g	87	24	airports	airport	NNS
cord-286146-im42752g	87	25	,	,	,
cord-286146-im42752g	87	26	while	while	IN
cord-286146-im42752g	87	27	some	some	DT
cord-286146-im42752g	87	28	airports	airport	NNS
cord-286146-im42752g	87	29	in	in	IN
cord-286146-im42752g	87	30	Europe	Europe	NNP
cord-286146-im42752g	87	31	,	,	,
cord-286146-im42752g	87	32	especially	especially	RB
cord-286146-im42752g	87	33	Italy	Italy	NNP
cord-286146-im42752g	87	34	,	,	,
cord-286146-im42752g	87	35	have	have	VBP
cord-286146-im42752g	87	36	a	a	DT
cord-286146-im42752g	87	37	higher	high	JJR
cord-286146-im42752g	87	38	risk	risk	NN
cord-286146-im42752g	87	39	of	of	IN
cord-286146-im42752g	87	40	exportation	exportation	NN
cord-286146-im42752g	87	41	than	than	IN
cord-286146-im42752g	87	42	of	of	IN
cord-286146-im42752g	87	43	importation	importation	NN
cord-286146-im42752g	87	44	.	.	.
cord-286146-im42752g	88	1	Moreover	moreover	RB
cord-286146-im42752g	88	2	,	,	,
cord-286146-im42752g	88	3	the	the	DT
cord-286146-im42752g	88	4	U.S.	U.S.	NNP
cord-286146-im42752g	88	5	seems	seem	VBZ
cord-286146-im42752g	88	6	to	to	TO
cord-286146-im42752g	88	7	have	have	VB
cord-286146-im42752g	88	8	more	more	JJR
cord-286146-im42752g	88	9	airports	airport	NNS
cord-286146-im42752g	88	10	with	with	IN
cord-286146-im42752g	88	11	a	a	DT
cord-286146-im42752g	88	12	relative	relative	JJ
cord-286146-im42752g	88	13	risk	risk	NN
cord-286146-im42752g	88	14	of	of	IN
cord-286146-im42752g	88	15	importation	importation	NN
cord-286146-im42752g	88	16	than	than	IN
cord-286146-im42752g	88	17	with	with	IN
cord-286146-im42752g	88	18	relative	relative	JJ
cord-286146-im42752g	88	19	risk	risk	NN
cord-286146-im42752g	88	20	of	of	IN
cord-286146-im42752g	88	21	exportation	exportation	NN
cord-286146-im42752g	88	22	.	.	.
cord-286146-im42752g	89	1	This	this	DT
cord-286146-im42752g	89	2	means	mean	VBZ
cord-286146-im42752g	89	3	that	that	IN
cord-286146-im42752g	89	4	although	although	IN
cord-286146-im42752g	89	5	the	the	DT
cord-286146-im42752g	89	6	U.S.	U.S.	NNP
cord-286146-im42752g	89	7	did	do	VBD
cord-286146-im42752g	89	8	not	not	RB
cord-286146-im42752g	89	9	show	show	VB
cord-286146-im42752g	89	10	a	a	DT
cord-286146-im42752g	89	11	high	high	JJ
cord-286146-im42752g	89	12	number	number	NN
cord-286146-im42752g	89	13	of	of	IN
cord-286146-im42752g	89	14	cumulative	cumulative	JJ
cord-286146-im42752g	89	15	confirmed	confirm	VBN
cord-286146-im42752g	89	16	cases	case	NNS
cord-286146-im42752g	89	17	relative	relative	JJ
cord-286146-im42752g	89	18	to	to	IN
cord-286146-im42752g	89	19	the	the	DT
cord-286146-im42752g	89	20	population	population	NN
cord-286146-im42752g	89	21	on	on	IN
cord-286146-im42752g	89	22	March	March	NNP
cord-286146-im42752g	89	23	14	14	CD
cord-286146-im42752g	89	24	,	,	,
cord-286146-im42752g	89	25	2020	2020	CD
cord-286146-im42752g	89	26	,	,	,
cord-286146-im42752g	89	27	it	-PRON-	PRP
cord-286146-im42752g	89	28	has	have	VBZ
cord-286146-im42752g	89	29	potential	potential	JJ
cord-286146-im42752g	89	30	relative	relative	JJ
cord-286146-im42752g	89	31	risk	risk	NN
cord-286146-im42752g	89	32	to	to	TO
cord-286146-im42752g	89	33	import	import	VB
cord-286146-im42752g	89	34	the	the	DT
cord-286146-im42752g	89	35	pandemic	pandemic	NN
cord-286146-im42752g	89	36	disease	disease	NN
cord-286146-im42752g	89	37	.	.	.
cord-286146-im42752g	90	1	The	the	DT
cord-286146-im42752g	90	2	top	top	JJ
cord-286146-im42752g	90	3	five	five	CD
cord-286146-im42752g	90	4	countries	country	NNS
cord-286146-im42752g	90	5	with	with	IN
cord-286146-im42752g	90	6	relative	relative	JJ
cord-286146-im42752g	90	7	risk	risk	NN
cord-286146-im42752g	90	8	of	of	IN
cord-286146-im42752g	90	9	importation	importation	NN
cord-286146-im42752g	90	10	of	of	IN
cord-286146-im42752g	90	11	COVID-19	covid-19	CD
cord-286146-im42752g	90	12	shown	show	VBN
cord-286146-im42752g	90	13	in	in	IN
cord-286146-im42752g	90	14	Fig	Fig	NNP
cord-286146-im42752g	90	15	.	.	NNP
cord-286146-im42752g	90	16	4	4	CD
cord-286146-im42752g	90	17	are	be	VBP
cord-286146-im42752g	90	18	South	South	NNP
cord-286146-im42752g	90	19	Korea	Korea	NNP
cord-286146-im42752g	90	20	,	,	,
cord-286146-im42752g	90	21	China	China	NNP
cord-286146-im42752g	90	22	,	,	,
cord-286146-im42752g	90	23	U.K.	U.K.	NNP
cord-286146-im42752g	90	24	,	,	,
cord-286146-im42752g	90	25	Iran	Iran	NNP
cord-286146-im42752g	90	26	,	,	,
cord-286146-im42752g	90	27	and	and	CC
cord-286146-im42752g	90	28	Spain	Spain	NNP
cord-286146-im42752g	90	29	,	,	,
cord-286146-im42752g	90	30	and	and	CC
cord-286146-im42752g	90	31	those	those	DT
cord-286146-im42752g	90	32	with	with	IN
cord-286146-im42752g	90	33	exportation	exportation	NN
cord-286146-im42752g	90	34	relative	relative	JJ
cord-286146-im42752g	90	35	risk	risk	NN
cord-286146-im42752g	90	36	are	be	VBP
cord-286146-im42752g	90	37	Italy	Italy	NNP
cord-286146-im42752g	90	38	,	,	,
cord-286146-im42752g	90	39	South	South	NNP
cord-286146-im42752g	90	40	Korea	Korea	NNP
cord-286146-im42752g	90	41	,	,	,
cord-286146-im42752g	90	42	China	China	NNP
cord-286146-im42752g	90	43	,	,	,
cord-286146-im42752g	90	44	Iran	Iran	NNP
cord-286146-im42752g	90	45	,	,	,
cord-286146-im42752g	90	46	and	and	CC
cord-286146-im42752g	90	47	Spain	Spain	NNP
cord-286146-im42752g	90	48	.	.	.
cord-286146-im42752g	91	1	Fig	Fig	NNP
cord-286146-im42752g	91	2	.	.	.
cord-286146-im42752g	92	1	4	4	LS
cord-286146-im42752g	92	2	also	also	RB
cord-286146-im42752g	92	3	clearly	clearly	RB
cord-286146-im42752g	92	4	indicates	indicate	VBZ
cord-286146-im42752g	92	5	that	that	IN
cord-286146-im42752g	92	6	not	not	RB
cord-286146-im42752g	92	7	only	only	RB
cord-286146-im42752g	92	8	China	China	NNP
cord-286146-im42752g	92	9	,	,	,
cord-286146-im42752g	92	10	Europe	Europe	NNP
cord-286146-im42752g	92	11	,	,	,
cord-286146-im42752g	92	12	Middle	Middle	NNP
cord-286146-im42752g	92	13	East	East	NNP
cord-286146-im42752g	92	14	,	,	,
cord-286146-im42752g	92	15	and	and	CC
cord-286146-im42752g	92	16	East	East	NNP
cord-286146-im42752g	92	17	Asia	Asia	NNP
cord-286146-im42752g	92	18	,	,	,
cord-286146-im42752g	92	19	but	but	CC
cord-286146-im42752g	92	20	also	also	RB
cord-286146-im42752g	92	21	various	various	JJ
cord-286146-im42752g	92	22	other	other	JJ
cord-286146-im42752g	92	23	countries	country	NNS
cord-286146-im42752g	92	24	such	such	JJ
cord-286146-im42752g	92	25	as	as	IN
cord-286146-im42752g	92	26	the	the	DT
cord-286146-im42752g	92	27	U.S.	U.S.	NNP
cord-286146-im42752g	92	28	,	,	,
cord-286146-im42752g	92	29	Australia	Australia	NNP
cord-286146-im42752g	92	30	,	,	,
cord-286146-im42752g	92	31	northeast	northeast	JJ
cord-286146-im42752g	92	32	Asian	asian	JJ
cord-286146-im42752g	92	33	countries	country	NNS
cord-286146-im42752g	92	34	,	,	,
cord-286146-im42752g	92	35	and	and	CC
cord-286146-im42752g	92	36	Latin	Latin	NNP
cord-286146-im42752g	92	37	America	America	NNP
cord-286146-im42752g	92	38	are	be	VBP
cord-286146-im42752g	92	39	exposed	expose	VBN
cord-286146-im42752g	92	40	to	to	IN
cord-286146-im42752g	92	41	risk	risk	NN
cord-286146-im42752g	92	42	to	to	IN
cord-286146-im42752g	92	43	some	some	DT
cord-286146-im42752g	92	44	extent	extent	NN
cord-286146-im42752g	92	45	.	.	.
cord-286146-im42752g	93	1	Figs	fig	NNS
cord-286146-im42752g	93	2	.	.	.
cord-286146-im42752g	94	1	5	5	CD
cord-286146-im42752g	94	2	and	and	CC
cord-286146-im42752g	94	3	6	6	CD
cord-286146-im42752g	94	4	show	show	VBP
cord-286146-im42752g	94	5	the	the	DT
cord-286146-im42752g	94	6	risk	risk	NN
cord-286146-im42752g	94	7	flow	flow	NN
cord-286146-im42752g	94	8	of	of	IN
cord-286146-im42752g	94	9	importation	importation	NN
cord-286146-im42752g	94	10	and	and	CC
cord-286146-im42752g	94	11	exportation	exportation	NN
cord-286146-im42752g	94	12	,	,	,
cord-286146-im42752g	94	13	or	or	CC
cord-286146-im42752g	94	14	,	,	,
cord-286146-im42752g	94	15	in	in	IN
cord-286146-im42752g	94	16	other	other	JJ
cord-286146-im42752g	94	17	words	word	NNS
cord-286146-im42752g	94	18	,	,	,
cord-286146-im42752g	94	19	the	the	DT
cord-286146-im42752g	94	20	expected	expect	VBN
cord-286146-im42752g	94	21	number	number	NN
cord-286146-im42752g	94	22	of	of	IN
cord-286146-im42752g	94	23	people	people	NNS
cord-286146-im42752g	94	24	infected	infect	VBN
cord-286146-im42752g	94	25	by	by	IN
cord-286146-im42752g	94	26	COVID-19	COVID-19	NNP
cord-286146-im42752g	94	27	.	.	.
cord-286146-im42752g	95	1	Fig	Fig	NNP
cord-286146-im42752g	95	2	.	.	.
cord-286146-im42752g	96	1	5	5	CD
cord-286146-im42752g	96	2	shows	show	VBZ
cord-286146-im42752g	96	3	the	the	DT
cord-286146-im42752g	96	4	risk	risk	NN
cord-286146-im42752g	96	5	flow	flow	NN
cord-286146-im42752g	96	6	of	of	IN
cord-286146-im42752g	96	7	importation	importation	NN
cord-286146-im42752g	96	8	and	and	CC
cord-286146-im42752g	96	9	exportation	exportation	NN
cord-286146-im42752g	96	10	of	of	IN
cord-286146-im42752g	96	11	each	each	DT
cord-286146-im42752g	96	12	airport	airport	NN
cord-286146-im42752g	96	13	and	and	CC
cord-286146-im42752g	96	14	Fig	Fig	NNP
cord-286146-im42752g	96	15	.	.	.
cord-286146-im42752g	97	1	6	6	CD
cord-286146-im42752g	97	2	shows	show	VBZ
cord-286146-im42752g	97	3	the	the	DT
cord-286146-im42752g	97	4	summarized	summarize	VBN
cord-286146-im42752g	97	5	values	value	NNS
cord-286146-im42752g	97	6	of	of	IN
cord-286146-im42752g	97	7	the	the	DT
cord-286146-im42752g	97	8	risk	risk	NN
cord-286146-im42752g	97	9	flow	flow	NN
cord-286146-im42752g	97	10	by	by	IN
cord-286146-im42752g	97	11	each	each	DT
cord-286146-im42752g	97	12	country	country	NN
cord-286146-im42752g	97	13	.	.	.
cord-286146-im42752g	98	1	Fig	Fig	NNP
cord-286146-im42752g	98	2	.	.	.
cord-286146-im42752g	99	1	5	5	CD
cord-286146-im42752g	99	2	indicates	indicate	VBZ
cord-286146-im42752g	99	3	that	that	IN
cord-286146-im42752g	99	4	,	,	,
cord-286146-im42752g	99	5	while	while	IN
cord-286146-im42752g	99	6	airports	airport	NNS
cord-286146-im42752g	99	7	with	with	IN
cord-286146-im42752g	99	8	the	the	DT
cord-286146-im42752g	99	9	highest	high	JJS
cord-286146-im42752g	99	10	risk	risk	NN
cord-286146-im42752g	99	11	flow	flow	NN
cord-286146-im42752g	99	12	of	of	IN
cord-286146-im42752g	99	13	importation	importation	NN
cord-286146-im42752g	99	14	are	be	VBP
cord-286146-im42752g	99	15	in	in	IN
cord-286146-im42752g	99	16	East	East	NNP
cord-286146-im42752g	99	17	Asia	Asia	NNP
cord-286146-im42752g	99	18	near	near	IN
cord-286146-im42752g	99	19	mainland	mainland	NN
cord-286146-im42752g	99	20	China	China	NNP
cord-286146-im42752g	99	21	where	where	WRB
cord-286146-im42752g	99	22	the	the	DT
cord-286146-im42752g	99	23	first	first	JJ
cord-286146-im42752g	99	24	case	case	NN
cord-286146-im42752g	99	25	was	be	VBD
cord-286146-im42752g	99	26	confirmed	confirm	VBN
cord-286146-im42752g	99	27	,	,	,
cord-286146-im42752g	99	28	the	the	DT
cord-286146-im42752g	99	29	airports	airport	NNS
cord-286146-im42752g	99	30	with	with	IN
cord-286146-im42752g	99	31	high	high	JJ
cord-286146-im42752g	99	32	exportation	exportation	NN
cord-286146-im42752g	99	33	risk	risk	NN
cord-286146-im42752g	99	34	flow	flow	NN
cord-286146-im42752g	99	35	are	be	VBP
cord-286146-im42752g	99	36	located	locate	VBN
cord-286146-im42752g	99	37	not	not	RB
cord-286146-im42752g	99	38	only	only	RB
cord-286146-im42752g	99	39	in	in	IN
cord-286146-im42752g	99	40	mainland	mainland	NN
cord-286146-im42752g	99	41	China	China	NNP
cord-286146-im42752g	99	42	and	and	CC
cord-286146-im42752g	99	43	East	East	NNP
cord-286146-im42752g	99	44	Asia	Asia	NNP
cord-286146-im42752g	99	45	,	,	,
cord-286146-im42752g	99	46	but	but	CC
cord-286146-im42752g	99	47	also	also	RB
cord-286146-im42752g	99	48	in	in	IN
cord-286146-im42752g	99	49	the	the	DT
cord-286146-im42752g	99	50	Middle	Middle	NNP
cord-286146-im42752g	99	51	East	East	NNP
cord-286146-im42752g	99	52	and	and	CC
cord-286146-im42752g	99	53	Europe	Europe	NNP
cord-286146-im42752g	99	54	,	,	,
cord-286146-im42752g	99	55	especially	especially	RB
cord-286146-im42752g	99	56	near	near	IN
cord-286146-im42752g	99	57	Italy	Italy	NNP
cord-286146-im42752g	99	58	.	.	.
cord-286146-im42752g	100	1	This	this	DT
cord-286146-im42752g	100	2	confirms	confirm	VBZ
cord-286146-im42752g	100	3	that	that	IN
cord-286146-im42752g	100	4	COVID-19	COVID-19	NNP
cord-286146-im42752g	100	5	is	be	VBZ
cord-286146-im42752g	100	6	a	a	DT
cord-286146-im42752g	100	7	pandemic	pandemic	NN
cord-286146-im42752g	100	8	rather	rather	RB
cord-286146-im42752g	100	9	than	than	IN
cord-286146-im42752g	100	10	an	an	DT
cord-286146-im42752g	100	11	epidemic	epidemic	NN
cord-286146-im42752g	100	12	disease	disease	NN
cord-286146-im42752g	100	13	.	.	.
cord-286146-im42752g	101	1	The	the	DT
cord-286146-im42752g	101	2	top	top	JJ
cord-286146-im42752g	101	3	five	five	CD
cord-286146-im42752g	101	4	countries	country	NNS
cord-286146-im42752g	101	5	having	have	VBG
cord-286146-im42752g	101	6	the	the	DT
cord-286146-im42752g	101	7	risk	risk	NN
cord-286146-im42752g	101	8	flow	flow	NN
cord-286146-im42752g	101	9	of	of	IN
cord-286146-im42752g	101	10	importation	importation	NN
cord-286146-im42752g	101	11	and	and	CC
cord-286146-im42752g	101	12	exportation	exportation	NN
cord-286146-im42752g	101	13	of	of	IN
cord-286146-im42752g	101	14	COVID-19	covid-19	NN
cord-286146-im42752g	101	15	shown	show	VBN
cord-286146-im42752g	101	16	in	in	IN
cord-286146-im42752g	101	17	Fig	Fig	NNP
cord-286146-im42752g	101	18	.	.	.
cord-286146-im42752g	102	1	6	6	CD
cord-286146-im42752g	102	2	are	be	VBP
cord-286146-im42752g	102	3	the	the	DT
cord-286146-im42752g	102	4	same	same	JJ
cord-286146-im42752g	102	5	as	as	IN
cord-286146-im42752g	102	6	the	the	DT
cord-286146-im42752g	102	7	top	top	JJ
cord-286146-im42752g	102	8	five	five	CD
cord-286146-im42752g	102	9	countries	country	NNS
cord-286146-im42752g	102	10	of	of	IN
cord-286146-im42752g	102	11	relative	relative	JJ
cord-286146-im42752g	102	12	risk	risk	NN
cord-286146-im42752g	102	13	.	.	.
cord-286146-im42752g	103	1	Although	although	IN
cord-286146-im42752g	103	2	the	the	DT
cord-286146-im42752g	103	3	risk	risk	NN
cord-286146-im42752g	103	4	flows	flow	VBZ
cord-286146-im42752g	103	5	of	of	IN
cord-286146-im42752g	103	6	each	each	DT
cord-286146-im42752g	103	7	airport	airport	NN
cord-286146-im42752g	103	8	in	in	IN
cord-286146-im42752g	103	9	the	the	DT
cord-286146-im42752g	103	10	U.S.	U.S.	NNP
cord-286146-im42752g	103	11	are	be	VBP
cord-286146-im42752g	103	12	not	not	RB
cord-286146-im42752g	103	13	high	high	JJ
cord-286146-im42752g	103	14	,	,	,
cord-286146-im42752g	103	15	as	as	IN
cord-286146-im42752g	103	16	shown	show	VBN
cord-286146-im42752g	103	17	in	in	IN
cord-286146-im42752g	103	18	Fig	Fig	NNP
cord-286146-im42752g	103	19	.	.	.
cord-286146-im42752g	104	1	5	5	LS
cord-286146-im42752g	104	2	,	,	,
cord-286146-im42752g	104	3	the	the	DT
cord-286146-im42752g	104	4	summarized	summarize	VBN
cord-286146-im42752g	104	5	total	total	JJ
cord-286146-im42752g	104	6	value	value	NN
cord-286146-im42752g	104	7	in	in	IN
cord-286146-im42752g	104	8	the	the	DT
cord-286146-im42752g	104	9	U.S.	U.S.	NNP
cord-286146-im42752g	104	10	is	be	VBZ
cord-286146-im42752g	104	11	high	high	JJ
cord-286146-im42752g	104	12	,	,	,
cord-286146-im42752g	104	13	as	as	IN
cord-286146-im42752g	104	14	shown	show	VBN
cord-286146-im42752g	104	15	in	in	IN
cord-286146-im42752g	104	16	Fig	Fig	NNP
cord-286146-im42752g	104	17	.	.	.
cord-286146-im42752g	105	1	6	6	LS
cord-286146-im42752g	105	2	.	.	.
cord-286146-im42752g	106	1	This	this	DT
cord-286146-im42752g	106	2	is	be	VBZ
cord-286146-im42752g	106	3	because	because	IN
cord-286146-im42752g	106	4	the	the	DT
cord-286146-im42752g	106	5	U.S.	U.S.	NNP
cord-286146-im42752g	106	6	has	have	VBZ
cord-286146-im42752g	106	7	a	a	DT
cord-286146-im42752g	106	8	large	large	JJ
cord-286146-im42752g	106	9	number	number	NN
cord-286146-im42752g	106	10	of	of	IN
cord-286146-im42752g	106	11	airports	airport	NNS
cord-286146-im42752g	106	12	and	and	CC
cord-286146-im42752g	106	13	a	a	DT
cord-286146-im42752g	106	14	large	large	JJ
cord-286146-im42752g	106	15	population	population	NN
cord-286146-im42752g	106	16	that	that	WDT
cord-286146-im42752g	106	17	is	be	VBZ
cord-286146-im42752g	106	18	susceptible	susceptible	JJ
cord-286146-im42752g	106	19	to	to	IN
cord-286146-im42752g	106	20	COVID-19	COVID-19	NNP
cord-286146-im42752g	106	21	.	.	.
cord-286146-im42752g	107	1	Fig	Fig	NNP
cord-286146-im42752g	107	2	.	.	NNP
cord-286146-im42752g	107	3	6	6	CD
cord-286146-im42752g	107	4	also	also	RB
cord-286146-im42752g	107	5	shows	show	VBZ
cord-286146-im42752g	107	6	that	that	IN
cord-286146-im42752g	107	7	some	some	DT
cord-286146-im42752g	107	8	countries	country	NNS
cord-286146-im42752g	107	9	such	such	JJ
cord-286146-im42752g	107	10	as	as	IN
cord-286146-im42752g	107	11	the	the	DT
cord-286146-im42752g	107	12	U.S.	U.S.	NNP
cord-286146-im42752g	107	13	and	and	CC
cord-286146-im42752g	107	14	Brazil	Brazil	NNP
cord-286146-im42752g	107	15	seem	seem	VBP
cord-286146-im42752g	107	16	to	to	TO
cord-286146-im42752g	107	17	have	have	VB
cord-286146-im42752g	107	18	a	a	DT
cord-286146-im42752g	107	19	larger	large	JJR
cord-286146-im42752g	107	20	amount	amount	NN
cord-286146-im42752g	107	21	of	of	IN
cord-286146-im42752g	107	22	risk	risk	NN
cord-286146-im42752g	107	23	flow	flow	NN
cord-286146-im42752g	107	24	of	of	IN
cord-286146-im42752g	107	25	importation	importation	NN
cord-286146-im42752g	107	26	than	than	IN
cord-286146-im42752g	107	27	that	that	DT
cord-286146-im42752g	107	28	of	of	IN
cord-286146-im42752g	107	29	exportation	exportation	NN
cord-286146-im42752g	107	30	.	.	.
cord-286146-im42752g	108	1	This	this	DT
cord-286146-im42752g	108	2	indicates	indicate	VBZ
cord-286146-im42752g	108	3	that	that	IN
cord-286146-im42752g	108	4	those	those	DT
cord-286146-im42752g	108	5	countries	country	NNS
cord-286146-im42752g	108	6	are	be	VBP
cord-286146-im42752g	108	7	more	more	RBR
cord-286146-im42752g	108	8	likely	likely	JJ
cord-286146-im42752g	108	9	to	to	TO
cord-286146-im42752g	108	10	import	import	VB
cord-286146-im42752g	108	11	infected	infected	JJ
cord-286146-im42752g	108	12	people	people	NNS
cord-286146-im42752g	108	13	rather	rather	RB
cord-286146-im42752g	108	14	than	than	IN
cord-286146-im42752g	108	15	export	export	VB
cord-286146-im42752g	108	16	them	-PRON-	PRP
cord-286146-im42752g	108	17	.	.	.
cord-286146-im42752g	109	1	Therefore	therefore	RB
cord-286146-im42752g	109	2	,	,	,
cord-286146-im42752g	109	3	many	many	JJ
cord-286146-im42752g	109	4	airports	airport	NNS
cord-286146-im42752g	109	5	,	,	,
cord-286146-im42752g	109	6	or	or	CC
cord-286146-im42752g	109	7	governments	government	NNS
cord-286146-im42752g	109	8	with	with	IN
cord-286146-im42752g	109	9	jurisdiction	jurisdiction	NN
cord-286146-im42752g	109	10	over	over	IN
cord-286146-im42752g	109	11	airports	airport	NNS
cord-286146-im42752g	109	12	,	,	,
cord-286146-im42752g	109	13	need	need	VBP
cord-286146-im42752g	109	14	to	to	TO
cord-286146-im42752g	109	15	implement	implement	VB
cord-286146-im42752g	109	16	strict	strict	JJ
cord-286146-im42752g	109	17	countermeasures	countermeasure	NNS
cord-286146-im42752g	109	18	to	to	TO
cord-286146-im42752g	109	19	reduce	reduce	VB
cord-286146-im42752g	109	20	air	air	NN
cord-286146-im42752g	109	21	travel	travel	NN
cord-286146-im42752g	109	22	for	for	IN
cord-286146-im42752g	109	23	the	the	DT
cord-286146-im42752g	109	24	benefit	benefit	NN
cord-286146-im42752g	109	25	of	of	IN
cord-286146-im42752g	109	26	their	-PRON-	PRP$
cord-286146-im42752g	109	27	own	own	JJ
cord-286146-im42752g	109	28	citizens	citizen	NNS
cord-286146-im42752g	109	29	as	as	RB
cord-286146-im42752g	109	30	well	well	RB
cord-286146-im42752g	109	31	as	as	IN
cord-286146-im42752g	109	32	for	for	IN
cord-286146-im42752g	109	33	the	the	DT
cord-286146-im42752g	109	34	global	global	JJ
cord-286146-im42752g	109	35	population	population	NN
cord-286146-im42752g	109	36	.	.	.
cord-286146-im42752g	110	1	Chinazzi	Chinazzi	NNP
cord-286146-im42752g	110	2	et	et	NNP
cord-286146-im42752g	110	3	al	al	NNP
cord-286146-im42752g	110	4	.	.	.
cord-286146-im42752g	111	1	(	(	-LRB-
cord-286146-im42752g	111	2	2020	2020	CD
cord-286146-im42752g	111	3	)	)	-RRB-
cord-286146-im42752g	111	4	indicated	indicate	VBD
cord-286146-im42752g	111	5	that	that	IN
cord-286146-im42752g	111	6	it	-PRON-	PRP
cord-286146-im42752g	111	7	is	be	VBZ
cord-286146-im42752g	111	8	difficult	difficult	JJ
cord-286146-im42752g	111	9	to	to	TO
cord-286146-im42752g	111	10	calculate	calculate	VB
cord-286146-im42752g	111	11	the	the	DT
cord-286146-im42752g	111	12	exact	exact	JJ
cord-286146-im42752g	111	13	level	level	NN
cord-286146-im42752g	111	14	of	of	IN
cord-286146-im42752g	111	15	risk	risk	NN
cord-286146-im42752g	111	16	and	and	CC
cord-286146-im42752g	111	17	transmissibility	transmissibility	NN
cord-286146-im42752g	111	18	reduction	reduction	NN
cord-286146-im42752g	111	19	brought	bring	VBN
cord-286146-im42752g	111	20	about	about	RP
cord-286146-im42752g	111	21	by	by	IN
cord-286146-im42752g	111	22	international	international	JJ
cord-286146-im42752g	111	23	travel	travel	NN
cord-286146-im42752g	111	24	restrictions	restriction	NNS
cord-286146-im42752g	111	25	.	.	.
cord-286146-im42752g	112	1	However	however	RB
cord-286146-im42752g	112	2	,	,	,
cord-286146-im42752g	112	3	due	due	IN
cord-286146-im42752g	112	4	to	to	IN
cord-286146-im42752g	112	5	the	the	DT
cord-286146-im42752g	112	6	travel	travel	NN
cord-286146-im42752g	112	7	bans	ban	NNS
cord-286146-im42752g	112	8	imposed	impose	VBN
cord-286146-im42752g	112	9	by	by	IN
cord-286146-im42752g	112	10	several	several	JJ
cord-286146-im42752g	112	11	countries	country	NNS
cord-286146-im42752g	112	12	,	,	,
cord-286146-im42752g	112	13	it	-PRON-	PRP
cord-286146-im42752g	112	14	is	be	VBZ
cord-286146-im42752g	112	15	still	still	RB
cord-286146-im42752g	112	16	useful	useful	JJ
cord-286146-im42752g	112	17	to	to	TO
cord-286146-im42752g	112	18	consider	consider	VB
cord-286146-im42752g	112	19	some	some	DT
cord-286146-im42752g	112	20	scenarios	scenario	NNS
cord-286146-im42752g	112	21	to	to	TO
cord-286146-im42752g	112	22	analyze	analyze	VB
cord-286146-im42752g	112	23	the	the	DT
cord-286146-im42752g	112	24	countermeasures	countermeasure	NNS
cord-286146-im42752g	112	25	for	for	IN
cord-286146-im42752g	112	26	the	the	DT
cord-286146-im42752g	112	27	spread	spread	NN
cord-286146-im42752g	112	28	of	of	IN
cord-286146-im42752g	112	29	the	the	DT
cord-286146-im42752g	112	30	COVID-19	COVID-19	NNP
cord-286146-im42752g	112	31	pandemic	pandemic	NN
cord-286146-im42752g	112	32	through	through	IN
cord-286146-im42752g	112	33	airport	airport	NN
cord-286146-im42752g	112	34	and	and	CC
cord-286146-im42752g	112	35	airline	airline	NN
cord-286146-im42752g	112	36	travel	travel	NN
cord-286146-im42752g	112	37	restrictions	restriction	NNS
cord-286146-im42752g	112	38	.	.	.
cord-286146-im42752g	113	1	In	in	IN
cord-286146-im42752g	113	2	this	this	DT
cord-286146-im42752g	113	3	study	study	NN
cord-286146-im42752g	113	4	,	,	,
cord-286146-im42752g	113	5	three	three	CD
cord-286146-im42752g	113	6	scenarios	scenario	NNS
cord-286146-im42752g	113	7	for	for	IN
cord-286146-im42752g	113	8	importation	importation	NN
cord-286146-im42752g	113	9	and	and	CC
cord-286146-im42752g	113	10	exportation	exportation	NN
cord-286146-im42752g	113	11	risk	risk	NN
cord-286146-im42752g	113	12	are	be	VBP
cord-286146-im42752g	113	13	considered	consider	VBN
cord-286146-im42752g	113	14	,	,	,
cord-286146-im42752g	113	15	and	and	CC
cord-286146-im42752g	113	16	the	the	DT
cord-286146-im42752g	113	17	change	change	NN
cord-286146-im42752g	113	18	in	in	IN
cord-286146-im42752g	113	19	the	the	DT
cord-286146-im42752g	113	20	risk	risk	NN
cord-286146-im42752g	113	21	flow	flow	NN
cord-286146-im42752g	113	22	of	of	IN
cord-286146-im42752g	113	23	importation	importation	NN
cord-286146-im42752g	113	24	and	and	CC
cord-286146-im42752g	113	25	exportation	exportation	NN
cord-286146-im42752g	113	26	of	of	IN
cord-286146-im42752g	113	27	COVID-19	COVID-19	NNP
cord-286146-im42752g	113	28	is	be	VBZ
cord-286146-im42752g	113	29	calculated	calculate	VBN
cord-286146-im42752g	113	30	.	.	.
cord-286146-im42752g	114	1	Hence	hence	RB
cord-286146-im42752g	114	2	,	,	,
cord-286146-im42752g	114	3	all	all	DT
cord-286146-im42752g	114	4	airports	airport	NNS
cord-286146-im42752g	114	5	are	be	VBP
cord-286146-im42752g	114	6	first	first	RB
cord-286146-im42752g	114	7	classified	classify	VBN
cord-286146-im42752g	114	8	into	into	IN
cord-286146-im42752g	114	9	quartiles	quartile	NNS
cord-286146-im42752g	114	10	based	base	VBN
cord-286146-im42752g	114	11	on	on	IN
cord-286146-im42752g	114	12	the	the	DT
cord-286146-im42752g	114	13	cumulative	cumulative	JJ
cord-286146-im42752g	114	14	COVID-19	COVID-19	NNP
cord-286146-im42752g	114	15	incidence	incidence	NN
cord-286146-im42752g	114	16	of	of	IN
cord-286146-im42752g	114	17	the	the	DT
cord-286146-im42752g	114	18	area	area	NN
cord-286146-im42752g	114	19	in	in	IN
cord-286146-im42752g	114	20	which	which	WDT
cord-286146-im42752g	114	21	each	each	DT
cord-286146-im42752g	114	22	airport	airport	NN
cord-286146-im42752g	114	23	is	be	VBZ
cord-286146-im42752g	114	24	located	locate	VBN
cord-286146-im42752g	114	25	.	.	.
cord-286146-im42752g	115	1	In	in	IN
cord-286146-im42752g	115	2	scenario	scenario	NN
cord-286146-im42752g	115	3	1	1	CD
cord-286146-im42752g	115	4	,	,	,
cord-286146-im42752g	115	5	the	the	DT
cord-286146-im42752g	115	6	change	change	NN
cord-286146-im42752g	115	7	in	in	IN
cord-286146-im42752g	115	8	transmissibility	transmissibility	NN
cord-286146-im42752g	115	9	of	of	IN
cord-286146-im42752g	115	10	the	the	DT
cord-286146-im42752g	115	11	disease	disease	NN
cord-286146-im42752g	115	12	is	be	VBZ
cord-286146-im42752g	115	13	considered	consider	VBN
cord-286146-im42752g	115	14	by	by	IN
cord-286146-im42752g	115	15	changing	change	VBG
cord-286146-im42752g	115	16	the	the	DT
cord-286146-im42752g	115	17	transmissibility	transmissibility	NN
cord-286146-im42752g	115	18	rate	rate	NN
cord-286146-im42752g	115	19	from	from	IN
cord-286146-im42752g	115	20	1	1	CD
cord-286146-im42752g	115	21	to	to	IN
cord-286146-im42752g	115	22	0.5	0.5	CD
cord-286146-im42752g	115	23	from	from	IN
cord-286146-im42752g	115	24	the	the	DT
cord-286146-im42752g	115	25	status	status	NN
cord-286146-im42752g	115	26	quo	quo	NN
cord-286146-im42752g	115	27	.	.	.
cord-286146-im42752g	116	1	Scenario	scenario	NN
cord-286146-im42752g	116	2	2	2	CD
cord-286146-im42752g	116	3	considers	consider	VBZ
cord-286146-im42752g	116	4	that	that	IN
cord-286146-im42752g	116	5	air	air	NN
cord-286146-im42752g	116	6	travel	travel	NN
cord-286146-im42752g	116	7	from	from	IN
cord-286146-im42752g	116	8	the	the	DT
cord-286146-im42752g	116	9	airports	airport	NNS
cord-286146-im42752g	116	10	located	locate	VBN
cord-286146-im42752g	116	11	in	in	IN
cord-286146-im42752g	116	12	the	the	DT
cord-286146-im42752g	116	13	1st	1st	JJ
cord-286146-im42752g	116	14	quartile	quartile	NNP
cord-286146-im42752g	116	15	area	area	NN
cord-286146-im42752g	116	16	(	(	-LRB-
cord-286146-im42752g	116	17	i.e.	i.e.	FW
cord-286146-im42752g	116	18	,	,	,
cord-286146-im42752g	116	19	the	the	DT
cord-286146-im42752g	116	20	highest	high	JJS
cord-286146-im42752g	116	21	25	25	CD
cord-286146-im42752g	116	22	%	%	NN
cord-286146-im42752g	116	23	of	of	IN
cord-286146-im42752g	116	24	the	the	DT
cord-286146-im42752g	116	25	cumulative	cumulative	JJ
cord-286146-im42752g	116	26	incidence	incidence	NN
cord-286146-im42752g	116	27	area	area	NN
cord-286146-im42752g	116	28	)	)	-RRB-
cord-286146-im42752g	116	29	is	be	VBZ
cord-286146-im42752g	116	30	reduced	reduce	VBN
cord-286146-im42752g	116	31	by	by	IN
cord-286146-im42752g	116	32	90	90	CD
cord-286146-im42752g	116	33	%	%	NN
cord-286146-im42752g	116	34	,	,	,
cord-286146-im42752g	116	35	that	that	DT
cord-286146-im42752g	116	36	of	of	IN
cord-286146-im42752g	116	37	those	those	DT
cord-286146-im42752g	116	38	in	in	IN
cord-286146-im42752g	116	39	the	the	DT
cord-286146-im42752g	116	40	2nd	2nd	JJ
cord-286146-im42752g	116	41	quartile	quartile	NN
cord-286146-im42752g	116	42	area	area	NN
cord-286146-im42752g	116	43	is	be	VBZ
cord-286146-im42752g	116	44	reduced	reduce	VBN
cord-286146-im42752g	116	45	by	by	IN
cord-286146-im42752g	116	46	60	60	CD
cord-286146-im42752g	116	47	%	%	NN
cord-286146-im42752g	116	48	,	,	,
cord-286146-im42752g	116	49	and	and	CC
cord-286146-im42752g	116	50	that	that	DT
cord-286146-im42752g	116	51	of	of	IN
cord-286146-im42752g	116	52	those	those	DT
cord-286146-im42752g	116	53	in	in	IN
cord-286146-im42752g	116	54	the	the	DT
cord-286146-im42752g	116	55	3rd	3rd	JJ
cord-286146-im42752g	116	56	quartile	quartile	NN
cord-286146-im42752g	116	57	area	area	NN
cord-286146-im42752g	116	58	is	be	VBZ
cord-286146-im42752g	116	59	reduced	reduce	VBN
cord-286146-im42752g	116	60	by	by	IN
cord-286146-im42752g	116	61	30	30	CD
cord-286146-im42752g	116	62	%	%	NN
cord-286146-im42752g	116	63	,	,	,
cord-286146-im42752g	116	64	without	without	IN
cord-286146-im42752g	116	65	a	a	DT
cord-286146-im42752g	116	66	change	change	NN
cord-286146-im42752g	116	67	in	in	IN
cord-286146-im42752g	116	68	transmissibility	transmissibility	NN
cord-286146-im42752g	116	69	of	of	IN
cord-286146-im42752g	116	70	the	the	DT
cord-286146-im42752g	116	71	disease	disease	NN
cord-286146-im42752g	116	72	.	.	.
cord-286146-im42752g	117	1	Scenario	scenario	NN
cord-286146-im42752g	117	2	3	3	CD
cord-286146-im42752g	117	3	changes	change	VBZ
cord-286146-im42752g	117	4	the	the	DT
cord-286146-im42752g	117	5	transmissibility	transmissibility	NN
cord-286146-im42752g	117	6	rate	rate	NN
cord-286146-im42752g	117	7	from	from	IN
cord-286146-im42752g	117	8	1	1	CD
cord-286146-im42752g	117	9	to	to	IN
cord-286146-im42752g	117	10	0.5	0.5	CD
cord-286146-im42752g	117	11	from	from	IN
cord-286146-im42752g	117	12	scenario	scenario	NN
cord-286146-im42752g	117	13	2	2	CD
cord-286146-im42752g	117	14	.	.	.
cord-286146-im42752g	118	1	Fig	Fig	NNP
cord-286146-im42752g	118	2	.	.	NNP
cord-286146-im42752g	118	3	7	7	CD
cord-286146-im42752g	118	4	shows	show	VBZ
cord-286146-im42752g	118	5	the	the	DT
cord-286146-im42752g	118	6	results	result	NNS
cord-286146-im42752g	118	7	of	of	IN
cord-286146-im42752g	118	8	the	the	DT
cord-286146-im42752g	118	9	change	change	NN
cord-286146-im42752g	118	10	in	in	IN
cord-286146-im42752g	118	11	the	the	DT
cord-286146-im42752g	118	12	risk	risk	NN
cord-286146-im42752g	118	13	flow	flow	NN
cord-286146-im42752g	118	14	of	of	IN
cord-286146-im42752g	118	15	importation	importation	NN
cord-286146-im42752g	118	16	and	and	CC
cord-286146-im42752g	118	17	exportation	exportation	NN
cord-286146-im42752g	118	18	by	by	IN
cord-286146-im42752g	118	19	scenario	scenario	NN
cord-286146-im42752g	118	20	.	.	.
cord-286146-im42752g	119	1	Apparently	apparently	RB
cord-286146-im42752g	119	2	,	,	,
cord-286146-im42752g	119	3	when	when	WRB
cord-286146-im42752g	119	4	air	air	NN
cord-286146-im42752g	119	5	travel	travel	NN
cord-286146-im42752g	119	6	from	from	IN
cord-286146-im42752g	119	7	an	an	DT
cord-286146-im42752g	119	8	airport	airport	NN
cord-286146-im42752g	119	9	in	in	IN
cord-286146-im42752g	119	10	the	the	DT
cord-286146-im42752g	119	11	high	high	JJ
cord-286146-im42752g	119	12	cumulative	cumulative	JJ
cord-286146-im42752g	119	13	incidence	incidence	NN
cord-286146-im42752g	119	14	area	area	NN
cord-286146-im42752g	119	15	is	be	VBZ
cord-286146-im42752g	119	16	reduced	reduce	VBN
cord-286146-im42752g	119	17	by	by	IN
cord-286146-im42752g	119	18	a	a	DT
cord-286146-im42752g	119	19	larger	large	JJR
cord-286146-im42752g	119	20	percentage	percentage	NN
cord-286146-im42752g	119	21	,	,	,
cord-286146-im42752g	119	22	the	the	DT
cord-286146-im42752g	119	23	risk	risk	NN
cord-286146-im42752g	119	24	flow	flow	NN
cord-286146-im42752g	119	25	decreases	decrease	VBZ
cord-286146-im42752g	119	26	gradually	gradually	RB
cord-286146-im42752g	119	27	.	.	.
cord-286146-im42752g	120	1	However	however	RB
cord-286146-im42752g	120	2	,	,	,
cord-286146-im42752g	120	3	even	even	RB
cord-286146-im42752g	120	4	when	when	WRB
cord-286146-im42752g	120	5	the	the	DT
cord-286146-im42752g	120	6	strictest	strict	JJS
cord-286146-im42752g	120	7	reduction	reduction	NN
cord-286146-im42752g	120	8	countermeasure	countermeasure	NN
cord-286146-im42752g	120	9	is	be	VBZ
cord-286146-im42752g	120	10	implemented	implement	VBN
cord-286146-im42752g	120	11	,	,	,
cord-286146-im42752g	120	12	the	the	DT
cord-286146-im42752g	120	13	risk	risk	NN
cord-286146-im42752g	120	14	flow	flow	NN
cord-286146-im42752g	120	15	of	of	IN
cord-286146-im42752g	120	16	importation	importation	NN
cord-286146-im42752g	120	17	and	and	CC
cord-286146-im42752g	120	18	exportation	exportation	NN
cord-286146-im42752g	120	19	in	in	IN
cord-286146-im42752g	120	20	China	China	NNP
cord-286146-im42752g	120	21	,	,	,
cord-286146-im42752g	120	22	Iran	Iran	NNP
cord-286146-im42752g	120	23	,	,	,
cord-286146-im42752g	120	24	the	the	DT
cord-286146-im42752g	120	25	U.S.	U.S.	NNP
cord-286146-im42752g	120	26	,	,	,
cord-286146-im42752g	120	27	and	and	CC
cord-286146-im42752g	120	28	some	some	DT
cord-286146-im42752g	120	29	countries	country	NNS
cord-286146-im42752g	120	30	in	in	IN
cord-286146-im42752g	120	31	Europe	Europe	NNP
cord-286146-im42752g	120	32	still	still	RB
cord-286146-im42752g	120	33	exists	exist	VBZ
cord-286146-im42752g	120	34	.	.	.
cord-286146-im42752g	121	1	However	however	RB
cord-286146-im42752g	121	2	,	,	,
cord-286146-im42752g	121	3	as	as	IN
cord-286146-im42752g	121	4	many	many	JJ
cord-286146-im42752g	121	5	countries	country	NNS
cord-286146-im42752g	121	6	can	can	MD
cord-286146-im42752g	121	7	reduce	reduce	VB
cord-286146-im42752g	121	8	the	the	DT
cord-286146-im42752g	121	9	risk	risk	NN
cord-286146-im42752g	121	10	flow	flow	NN
cord-286146-im42752g	121	11	of	of	IN
cord-286146-im42752g	121	12	importation	importation	NN
cord-286146-im42752g	121	13	and	and	CC
cord-286146-im42752g	121	14	exportation	exportation	NN
cord-286146-im42752g	121	15	,	,	,
cord-286146-im42752g	121	16	the	the	DT
cord-286146-im42752g	121	17	pandemic	pandemic	NN
cord-286146-im42752g	121	18	disease	disease	NN
cord-286146-im42752g	121	19	still	still	RB
cord-286146-im42752g	121	20	prevails	prevail	VBZ
cord-286146-im42752g	121	21	in	in	IN
cord-286146-im42752g	121	22	some	some	DT
cord-286146-im42752g	121	23	areas	area	NNS
cord-286146-im42752g	121	24	.	.	.
cord-286146-im42752g	122	1	This	this	DT
cord-286146-im42752g	122	2	means	mean	VBZ
cord-286146-im42752g	122	3	that	that	IN
cord-286146-im42752g	122	4	it	-PRON-	PRP
cord-286146-im42752g	122	5	is	be	VBZ
cord-286146-im42752g	122	6	more	more	RBR
cord-286146-im42752g	122	7	indispensable	indispensable	JJ
cord-286146-im42752g	122	8	for	for	IN
cord-286146-im42752g	122	9	these	these	DT
cord-286146-im42752g	122	10	countries	country	NNS
cord-286146-im42752g	122	11	to	to	TO
cord-286146-im42752g	122	12	undertake	undertake	VB
cord-286146-im42752g	122	13	countermeasures	countermeasure	NNS
cord-286146-im42752g	122	14	for	for	IN
cord-286146-im42752g	122	15	COVID-19	covid-19	NN
cord-286146-im42752g	122	16	such	such	JJ
cord-286146-im42752g	122	17	as	as	IN
cord-286146-im42752g	122	18	home	home	NN
cord-286146-im42752g	122	19	quarantine	quarantine	NN
cord-286146-im42752g	122	20	.	.	.
cord-286146-im42752g	123	1	This	this	DT
cord-286146-im42752g	123	2	study	study	NN
cord-286146-im42752g	123	3	calculated	calculate	VBD
cord-286146-im42752g	123	4	the	the	DT
cord-286146-im42752g	123	5	overall	overall	JJ
cord-286146-im42752g	123	6	relative	relative	JJ
cord-286146-im42752g	123	7	risk	risk	NN
cord-286146-im42752g	123	8	of	of	IN
cord-286146-im42752g	123	9	importation	importation	NN
cord-286146-im42752g	123	10	and	and	CC
cord-286146-im42752g	123	11	exportation	exportation	NN
cord-286146-im42752g	123	12	of	of	IN
cord-286146-im42752g	123	13	COVID-19	COVID-19	NNP
cord-286146-im42752g	123	14	from	from	IN
cord-286146-im42752g	123	15	/	/	SYM
cord-286146-im42752g	123	16	to	to	IN
cord-286146-im42752g	123	17	every	every	DT
cord-286146-im42752g	123	18	airport	airport	NN
cord-286146-im42752g	123	19	in	in	IN
cord-286146-im42752g	123	20	local	local	JJ
cord-286146-im42752g	123	21	municipalities	municipality	NNS
cord-286146-im42752g	123	22	around	around	IN
cord-286146-im42752g	123	23	the	the	DT
cord-286146-im42752g	123	24	world	world	NN
cord-286146-im42752g	123	25	based	base	VBN
cord-286146-im42752g	123	26	on	on	IN
cord-286146-im42752g	123	27	existing	exist	VBG
cord-286146-im42752g	123	28	studies	study	NNS
cord-286146-im42752g	123	29	and	and	CC
cord-286146-im42752g	123	30	global	global	JJ
cord-286146-im42752g	123	31	spatial	spatial	JJ
cord-286146-im42752g	123	32	and	and	CC
cord-286146-im42752g	123	33	mapping	mapping	NN
cord-286146-im42752g	123	34	information	information	NN
cord-286146-im42752g	123	35	.	.	.
cord-286146-im42752g	124	1	At	at	IN
cord-286146-im42752g	124	2	the	the	DT
cord-286146-im42752g	124	3	pandemic	pandemic	NN
cord-286146-im42752g	124	4	stage	stage	NN
cord-286146-im42752g	124	5	,	,	,
cord-286146-im42752g	124	6	the	the	DT
cord-286146-im42752g	124	7	risk	risk	NN
cord-286146-im42752g	124	8	of	of	IN
cord-286146-im42752g	124	9	exportation	exportation	NN
cord-286146-im42752g	124	10	is	be	VBZ
cord-286146-im42752g	124	11	as	as	RB
cord-286146-im42752g	124	12	important	important	JJ
cord-286146-im42752g	124	13	as	as	IN
cord-286146-im42752g	124	14	the	the	DT
cord-286146-im42752g	124	15	risk	risk	NN
cord-286146-im42752g	124	16	of	of	IN
cord-286146-im42752g	124	17	importation	importation	NN
cord-286146-im42752g	124	18	.	.	.
cord-286146-im42752g	125	1	This	this	DT
cord-286146-im42752g	125	2	study	study	NN
cord-286146-im42752g	125	3	examines	examine	VBZ
cord-286146-im42752g	125	4	both	both	DT
cord-286146-im42752g	125	5	risks	risk	NNS
cord-286146-im42752g	125	6	;	;	:
cord-286146-im42752g	125	7	it	-PRON-	PRP
cord-286146-im42752g	125	8	is	be	VBZ
cord-286146-im42752g	125	9	more	more	RBR
cord-286146-im42752g	125	10	necessary	necessary	JJ
cord-286146-im42752g	125	11	to	to	TO
cord-286146-im42752g	125	12	reduce	reduce	VB
cord-286146-im42752g	125	13	the	the	DT
cord-286146-im42752g	125	14	exportation	exportation	NN
cord-286146-im42752g	125	15	risk	risk	NN
cord-286146-im42752g	125	16	than	than	IN
cord-286146-im42752g	125	17	the	the	DT
cord-286146-im42752g	125	18	importation	importation	NN
cord-286146-im42752g	125	19	risk	risk	NN
cord-286146-im42752g	125	20	from	from	IN
cord-286146-im42752g	125	21	the	the	DT
cord-286146-im42752g	125	22	perspective	perspective	NN
cord-286146-im42752g	125	23	of	of	IN
cord-286146-im42752g	125	24	risk	risk	NN
cord-286146-im42752g	125	25	flow	flow	NN
cord-286146-im42752g	125	26	.	.	.
cord-286146-im42752g	126	1	This	this	DT
cord-286146-im42752g	126	2	study	study	NN
cord-286146-im42752g	126	3	also	also	RB
cord-286146-im42752g	126	4	conducts	conduct	VBZ
cord-286146-im42752g	126	5	a	a	DT
cord-286146-im42752g	126	6	basic	basic	JJ
cord-286146-im42752g	126	7	simulation	simulation	NN
cord-286146-im42752g	126	8	for	for	IN
cord-286146-im42752g	126	9	three	three	CD
cord-286146-im42752g	126	10	scenarios	scenario	NNS
cord-286146-im42752g	126	11	,	,	,
cord-286146-im42752g	126	12	and	and	CC
cord-286146-im42752g	126	13	the	the	DT
cord-286146-im42752g	126	14	results	result	NNS
cord-286146-im42752g	126	15	show	show	VBP
cord-286146-im42752g	126	16	that	that	IN
cord-286146-im42752g	126	17	risk	risk	NN
cord-286146-im42752g	126	18	flow	flow	NN
cord-286146-im42752g	126	19	of	of	IN
cord-286146-im42752g	126	20	importation	importation	NN
cord-286146-im42752g	126	21	and	and	CC
cord-286146-im42752g	126	22	exportation	exportation	NN
cord-286146-im42752g	126	23	in	in	IN
cord-286146-im42752g	126	24	specific	specific	JJ
cord-286146-im42752g	126	25	areas	area	NNS
cord-286146-im42752g	126	26	still	still	RB
cord-286146-im42752g	126	27	exists	exist	VBZ
cord-286146-im42752g	126	28	even	even	RB
cord-286146-im42752g	126	29	after	after	IN
cord-286146-im42752g	126	30	executing	execute	VBG
cord-286146-im42752g	126	31	the	the	DT
cord-286146-im42752g	126	32	strictest	strict	JJS
cord-286146-im42752g	126	33	reduction	reduction	NN
cord-286146-im42752g	126	34	countermeasures	countermeasure	NNS
cord-286146-im42752g	126	35	.	.	.
cord-286146-im42752g	127	1	This	this	DT
cord-286146-im42752g	127	2	indicates	indicate	VBZ
cord-286146-im42752g	127	3	the	the	DT
cord-286146-im42752g	127	4	necessity	necessity	NN
cord-286146-im42752g	127	5	of	of	IN
cord-286146-im42752g	127	6	reducing	reduce	VBG
cord-286146-im42752g	127	7	air	air	NN
cord-286146-im42752g	127	8	travel	travel	NN
cord-286146-im42752g	127	9	as	as	RB
cord-286146-im42752g	127	10	much	much	RB
cord-286146-im42752g	127	11	as	as	IN
cord-286146-im42752g	127	12	possible	possible	JJ
cord-286146-im42752g	127	13	;	;	:
cord-286146-im42752g	127	14	specifically	specifically	RB
cord-286146-im42752g	127	15	,	,	,
cord-286146-im42752g	127	16	more	more	JJR
cord-286146-im42752g	127	17	than	than	IN
cord-286146-im42752g	127	18	a	a	DT
cord-286146-im42752g	127	19	90	90	CD
cord-286146-im42752g	127	20	%	%	NN
cord-286146-im42752g	127	21	reduction	reduction	NN
cord-286146-im42752g	127	22	is	be	VBZ
cord-286146-im42752g	127	23	necessary	necessary	JJ
cord-286146-im42752g	127	24	in	in	IN
cord-286146-im42752g	127	25	areas	area	NNS
cord-286146-im42752g	127	26	of	of	IN
cord-286146-im42752g	127	27	high	high	JJ
cord-286146-im42752g	127	28	cumulative	cumulative	JJ
cord-286146-im42752g	127	29	incidence	incidence	NN
cord-286146-im42752g	127	30	.	.	.
cord-286146-im42752g	128	1	Therefore	therefore	RB
cord-286146-im42752g	128	2	,	,	,
cord-286146-im42752g	128	3	flights	flight	NNS
cord-286146-im42752g	128	4	must	must	MD
cord-286146-im42752g	128	5	be	be	VB
cord-286146-im42752g	128	6	minimized	minimize	VBN
cord-286146-im42752g	128	7	and	and	CC
cord-286146-im42752g	128	8	politics	politic	NNS
cord-286146-im42752g	128	9	should	should	MD
cord-286146-im42752g	128	10	play	play	VB
cord-286146-im42752g	128	11	a	a	DT
cord-286146-im42752g	128	12	significant	significant	JJ
cord-286146-im42752g	128	13	role	role	NN
cord-286146-im42752g	128	14	in	in	IN
cord-286146-im42752g	128	15	restricting	restrict	VBG
cord-286146-im42752g	128	16	travel	travel	NN
cord-286146-im42752g	128	17	to	to	TO
cord-286146-im42752g	128	18	benefit	benefit	VB
cord-286146-im42752g	128	19	individual	individual	JJ
cord-286146-im42752g	128	20	countries	country	NNS
cord-286146-im42752g	128	21	as	as	RB
cord-286146-im42752g	128	22	well	well	RB
cord-286146-im42752g	128	23	as	as	IN
cord-286146-im42752g	128	24	global	global	JJ
cord-286146-im42752g	128	25	health	health	NN
cord-286146-im42752g	128	26	.	.	.
cord-286146-im42752g	129	1	This	this	DT
cord-286146-im42752g	129	2	study	study	NN
cord-286146-im42752g	129	3	is	be	VBZ
cord-286146-im42752g	129	4	limited	limit	VBN
cord-286146-im42752g	129	5	as	as	IN
cord-286146-im42752g	129	6	it	-PRON-	PRP
cord-286146-im42752g	129	7	only	only	RB
cord-286146-im42752g	129	8	collected	collect	VBD
cord-286146-im42752g	129	9	static	static	JJ
cord-286146-im42752g	129	10	data	datum	NNS
cord-286146-im42752g	129	11	at	at	IN
cord-286146-im42752g	129	12	a	a	DT
cord-286146-im42752g	129	13	certain	certain	JJ
cord-286146-im42752g	129	14	stage	stage	NN
cord-286146-im42752g	129	15	of	of	IN
cord-286146-im42752g	129	16	the	the	DT
cord-286146-im42752g	129	17	pandemic	pandemic	NN
cord-286146-im42752g	129	18	disease	disease	NN
cord-286146-im42752g	129	19	;	;	:
cord-286146-im42752g	129	20	relative	relative	JJ
cord-286146-im42752g	129	21	data	datum	NNS
cord-286146-im42752g	129	22	were	be	VBD
cord-286146-im42752g	129	23	not	not	RB
cord-286146-im42752g	129	24	up	up	IN
cord-286146-im42752g	129	25	to	to	IN
cord-286146-im42752g	129	26	date	date	NN
cord-286146-im42752g	129	27	.	.	.
cord-286146-im42752g	130	1	Scenario	scenario	NN
cord-286146-im42752g	130	2	analyses	analysis	NNS
cord-286146-im42752g	130	3	are	be	VBP
cord-286146-im42752g	130	4	also	also	RB
cord-286146-im42752g	130	5	approximate	approximate	JJ
cord-286146-im42752g	130	6	due	due	IN
cord-286146-im42752g	130	7	to	to	IN
cord-286146-im42752g	130	8	data	data	NN
cord-286146-im42752g	130	9	limitations	limitation	NNS
cord-286146-im42752g	130	10	and	and	CC
cord-286146-im42752g	130	11	limited	limited	JJ
cord-286146-im42752g	130	12	scientific	scientific	JJ
cord-286146-im42752g	130	13	clarity	clarity	NN
cord-286146-im42752g	130	14	on	on	IN
cord-286146-im42752g	130	15	how	how	WRB
cord-286146-im42752g	130	16	the	the	DT
cord-286146-im42752g	130	17	pandemic	pandemic	NN
cord-286146-im42752g	130	18	disease	disease	NN
cord-286146-im42752g	130	19	is	be	VBZ
cord-286146-im42752g	130	20	transmitted	transmit	VBN
cord-286146-im42752g	130	21	between	between	IN
cord-286146-im42752g	130	22	people	people	NNS
cord-286146-im42752g	130	23	.	.	.
cord-286146-im42752g	131	1	Information	information	NN
cord-286146-im42752g	131	2	and	and	CC
cord-286146-im42752g	131	3	data	datum	NNS
cord-286146-im42752g	131	4	were	be	VBD
cord-286146-im42752g	131	5	continuously	continuously	RB
cord-286146-im42752g	131	6	changing	change	VBG
cord-286146-im42752g	131	7	throughout	throughout	IN
cord-286146-im42752g	131	8	the	the	DT
cord-286146-im42752g	131	9	period	period	NN
cord-286146-im42752g	131	10	of	of	IN
cord-286146-im42752g	131	11	this	this	DT
cord-286146-im42752g	131	12	study	study	NN
cord-286146-im42752g	131	13	,	,	,
cord-286146-im42752g	131	14	which	which	WDT
cord-286146-im42752g	131	15	was	be	VBD
cord-286146-im42752g	131	16	undertaken	undertake	VBN
cord-286146-im42752g	131	17	during	during	IN
cord-286146-im42752g	131	18	the	the	DT
cord-286146-im42752g	131	19	course	course	NN
cord-286146-im42752g	131	20	of	of	IN
cord-286146-im42752g	131	21	the	the	DT
cord-286146-im42752g	131	22	pandemic	pandemic	NN
cord-286146-im42752g	131	23	.	.	.
cord-286146-im42752g	132	1	Therefore	therefore	RB
cord-286146-im42752g	132	2	,	,	,
cord-286146-im42752g	132	3	ongoing	ongoing	JJ
cord-286146-im42752g	132	4	analyses	analysis	NNS
cord-286146-im42752g	132	5	similar	similar	JJ
cord-286146-im42752g	132	6	to	to	IN
cord-286146-im42752g	132	7	this	this	DT
cord-286146-im42752g	132	8	study	study	NN
cord-286146-im42752g	132	9	with	with	IN
cord-286146-im42752g	132	10	updated	update	VBN
cord-286146-im42752g	132	11	information	information	NN
cord-286146-im42752g	132	12	and	and	CC
cord-286146-im42752g	132	13	data	datum	NNS
cord-286146-im42752g	132	14	are	be	VBP
cord-286146-im42752g	132	15	necessary	necessary	JJ
cord-286146-im42752g	132	16	for	for	IN
cord-286146-im42752g	132	17	further	further	JJ
cord-286146-im42752g	132	18	comparison	comparison	NN
cord-286146-im42752g	132	19	with	with	IN
cord-286146-im42752g	132	20	the	the	DT
cord-286146-im42752g	132	21	actual	actual	JJ
cord-286146-im42752g	132	22	situation	situation	NN
cord-286146-im42752g	132	23	.	.	.
cord-286146-im42752g	133	1	Moreover	moreover	RB
cord-286146-im42752g	133	2	,	,	,
cord-286146-im42752g	133	3	many	many	JJ
cord-286146-im42752g	133	4	OD	OD	NNP
cord-286146-im42752g	133	5	trips	trip	NNS
cord-286146-im42752g	133	6	involve	involve	VBP
cord-286146-im42752g	133	7	intermediate	intermediate	JJ
cord-286146-im42752g	133	8	stops	stop	NNS
cord-286146-im42752g	133	9	at	at	IN
cord-286146-im42752g	133	10	major	major	JJ
cord-286146-im42752g	133	11	hubs	hub	NNS
cord-286146-im42752g	133	12	,	,	,
cord-286146-im42752g	133	13	such	such	JJ
cord-286146-im42752g	133	14	as	as	IN
cord-286146-im42752g	133	15	Dubai	Dubai	NNP
cord-286146-im42752g	133	16	and	and	CC
cord-286146-im42752g	133	17	Singapore	Singapore	NNP
cord-286146-im42752g	133	18	.	.	.
cord-286146-im42752g	134	1	Therefore	therefore	RB
cord-286146-im42752g	134	2	,	,	,
cord-286146-im42752g	134	3	the	the	DT
cord-286146-im42752g	134	4	risks	risk	NNS
cord-286146-im42752g	134	5	for	for	IN
cord-286146-im42752g	134	6	importing	import	VBG
cord-286146-im42752g	134	7	or	or	CC
cord-286146-im42752g	134	8	exporting	export	VBG
cord-286146-im42752g	134	9	the	the	DT
cord-286146-im42752g	134	10	virus	virus	NN
cord-286146-im42752g	134	11	from	from	IN
cord-286146-im42752g	134	12	one	one	CD
cord-286146-im42752g	134	13	of	of	IN
cord-286146-im42752g	134	14	these	these	DT
cord-286146-im42752g	134	15	hubs	hub	NNS
cord-286146-im42752g	134	16	would	would	MD
cord-286146-im42752g	134	17	be	be	VB
cord-286146-im42752g	134	18	greater	great	JJR
cord-286146-im42752g	134	19	than	than	IN
cord-286146-im42752g	134	20	our	-PRON-	PRP$
cord-286146-im42752g	134	21	predictions	prediction	NNS
cord-286146-im42752g	134	22	.	.	.
cord-286146-im42752g	135	1	In	in	IN
cord-286146-im42752g	135	2	addition	addition	NN
cord-286146-im42752g	135	3	,	,	,
cord-286146-im42752g	135	4	even	even	RB
cord-286146-im42752g	135	5	if	if	IN
cord-286146-im42752g	135	6	a	a	DT
cord-286146-im42752g	135	7	country	country	NN
cord-286146-im42752g	135	8	reduces	reduce	VBZ
cord-286146-im42752g	135	9	direct	direct	JJ
cord-286146-im42752g	135	10	flights	flight	NNS
cord-286146-im42752g	135	11	from	from	IN
cord-286146-im42752g	135	12	a	a	DT
cord-286146-im42752g	135	13	high	high	JJ
cord-286146-im42752g	135	14	-	-	HYPH
cord-286146-im42752g	135	15	risk	risk	NN
cord-286146-im42752g	135	16	city	city	NN
cord-286146-im42752g	135	17	,	,	,
cord-286146-im42752g	135	18	unless	unless	IN
cord-286146-im42752g	135	19	indirect	indirect	JJ
cord-286146-im42752g	135	20	travel	travel	NN
cord-286146-im42752g	135	21	is	be	VBZ
cord-286146-im42752g	135	22	also	also	RB
cord-286146-im42752g	135	23	reduced	reduce	VBN
cord-286146-im42752g	135	24	,	,	,
cord-286146-im42752g	135	25	related	related	JJ
cord-286146-im42752g	135	26	countermeasures	countermeasure	NNS
cord-286146-im42752g	135	27	may	may	MD
cord-286146-im42752g	135	28	not	not	RB
cord-286146-im42752g	135	29	be	be	VB
cord-286146-im42752g	135	30	particularly	particularly	RB
cord-286146-im42752g	135	31	effective	effective	JJ
cord-286146-im42752g	135	32	.	.	.
cord-286146-im42752g	136	1	For	for	IN
cord-286146-im42752g	136	2	further	further	JJ
cord-286146-im42752g	136	3	study	study	NN
cord-286146-im42752g	136	4	,	,	,
cord-286146-im42752g	136	5	it	-PRON-	PRP
cord-286146-im42752g	136	6	is	be	VBZ
cord-286146-im42752g	136	7	necessary	necessary	JJ
cord-286146-im42752g	136	8	to	to	TO
cord-286146-im42752g	136	9	assess	assess	VB
cord-286146-im42752g	136	10	not	not	RB
cord-286146-im42752g	136	11	only	only	RB
cord-286146-im42752g	136	12	direct	direct	JJ
cord-286146-im42752g	136	13	connections	connection	NNS
cord-286146-im42752g	136	14	,	,	,
cord-286146-im42752g	136	15	but	but	CC
cord-286146-im42752g	136	16	also	also	RB
cord-286146-im42752g	136	17	indirect	indirect	JJ
cord-286146-im42752g	136	18	connections	connection	NNS
cord-286146-im42752g	136	19	to	to	IN
cord-286146-im42752g	136	20	Wuhan	Wuhan	NNP
cord-286146-im42752g	136	21	and	and	CC
cord-286146-im42752g	136	22	Hubei	Hubei	NNP
cord-286146-im42752g	136	23	,	,	,
cord-286146-im42752g	136	24	considering	consider	VBG
cord-286146-im42752g	136	25	each	each	DT
cord-286146-im42752g	136	26	city	city	NN
cord-286146-im42752g	136	27	's	's	POS
cord-286146-im42752g	136	28	characteristics	characteristic	NNS
cord-286146-im42752g	136	29	.	.	.
cord-286146-im42752g	137	1	Although	although	IN
cord-286146-im42752g	137	2	the	the	DT
cord-286146-im42752g	137	3	analysis	analysis	NN
cord-286146-im42752g	137	4	of	of	IN
cord-286146-im42752g	137	5	this	this	DT
cord-286146-im42752g	137	6	study	study	NN
cord-286146-im42752g	137	7	considers	consider	VBZ
cord-286146-im42752g	137	8	the	the	DT
cord-286146-im42752g	137	9	population	population	NN
cord-286146-im42752g	137	10	density	density	NN
cord-286146-im42752g	137	11	in	in	IN
cord-286146-im42752g	137	12	each	each	DT
cord-286146-im42752g	137	13	area	area	NN
cord-286146-im42752g	137	14	,	,	,
cord-286146-im42752g	137	15	factors	factor	NNS
cord-286146-im42752g	137	16	of	of	IN
cord-286146-im42752g	137	17	tourists	tourist	NNS
cord-286146-im42752g	137	18	'	'	POS
cord-286146-im42752g	137	19	or	or	CC
cord-286146-im42752g	137	20	visitors	visitor	NNS
cord-286146-im42752g	137	21	'	'	POS
cord-286146-im42752g	137	22	flows	flow	NNS
cord-286146-im42752g	137	23	via	via	IN
cord-286146-im42752g	137	24	various	various	JJ
cord-286146-im42752g	137	25	transportation	transportation	NN
cord-286146-im42752g	137	26	as	as	RB
cord-286146-im42752g	137	27	well	well	RB
cord-286146-im42752g	137	28	as	as	IN
cord-286146-im42752g	137	29	business	business	NN
cord-286146-im42752g	137	30	connections	connection	NNS
cord-286146-im42752g	137	31	of	of	IN
cord-286146-im42752g	137	32	people	people	NNS
cord-286146-im42752g	137	33	and	and	CC
cord-286146-im42752g	137	34	products	product	NNS
cord-286146-im42752g	137	35	through	through	IN
cord-286146-im42752g	137	36	supply	supply	NN
cord-286146-im42752g	137	37	chains	chain	NNS
cord-286146-im42752g	137	38	must	must	MD
cord-286146-im42752g	137	39	be	be	VB
cord-286146-im42752g	137	40	considered	consider	VBN
cord-286146-im42752g	137	41	.	.	.
cord-286146-im42752g	138	1	Nevertheless	nevertheless	RB
cord-286146-im42752g	138	2	,	,	,
cord-286146-im42752g	138	3	the	the	DT
cord-286146-im42752g	138	4	results	result	NNS
cord-286146-im42752g	138	5	may	may	MD
cord-286146-im42752g	138	6	still	still	RB
cord-286146-im42752g	138	7	support	support	VB
cord-286146-im42752g	138	8	the	the	DT
cord-286146-im42752g	138	9	planning	planning	NN
cord-286146-im42752g	138	10	decisions	decision	NNS
cord-286146-im42752g	138	11	of	of	IN
cord-286146-im42752g	138	12	policy	policy	NN
cord-286146-im42752g	138	13	makers	maker	NNS
cord-286146-im42752g	138	14	for	for	IN
cord-286146-im42752g	138	15	developing	develop	VBG
cord-286146-im42752g	138	16	disease	disease	NN
cord-286146-im42752g	138	17	management	management	NN
cord-286146-im42752g	138	18	strategies	strategy	NNS
cord-286146-im42752g	138	19	,	,	,
cord-286146-im42752g	138	20	and	and	CC
cord-286146-im42752g	138	21	the	the	DT
cord-286146-im42752g	138	22	decisions	decision	NNS
cord-286146-im42752g	138	23	of	of	IN
cord-286146-im42752g	138	24	ordinary	ordinary	JJ
cord-286146-im42752g	138	25	people	people	NNS
cord-286146-im42752g	138	26	in	in	IN
cord-286146-im42752g	138	27	changing	change	VBG
cord-286146-im42752g	138	28	their	-PRON-	PRP$
cord-286146-im42752g	138	29	behavior	behavior	NN
cord-286146-im42752g	138	30	with	with	IN
cord-286146-im42752g	138	31	respect	respect	NN
cord-286146-im42752g	138	32	to	to	IN
cord-286146-im42752g	138	33	air	air	NN
cord-286146-im42752g	138	34	travel	travel	NN
cord-286146-im42752g	138	35	.	.	.
cord-286146-im42752g	139	1	For	for	IN
cord-286146-im42752g	139	2	instance	instance	NN
cord-286146-im42752g	139	3	,	,	,
cord-286146-im42752g	139	4	it	-PRON-	PRP
cord-286146-im42752g	139	5	is	be	VBZ
cord-286146-im42752g	139	6	indispensable	indispensable	JJ
cord-286146-im42752g	139	7	for	for	IN
cord-286146-im42752g	139	8	infected	infected	JJ
cord-286146-im42752g	139	9	or	or	CC
cord-286146-im42752g	139	10	suspected	suspect	VBN
cord-286146-im42752g	139	11	individuals	individual	NNS
cord-286146-im42752g	139	12	to	to	TO
cord-286146-im42752g	139	13	avoid	avoid	VB
cord-286146-im42752g	139	14	flying	fly	VBG
cord-286146-im42752g	139	15	to	to	TO
cord-286146-im42752g	139	16	reduce	reduce	VB
cord-286146-im42752g	139	17	the	the	DT
cord-286146-im42752g	139	18	actual	actual	JJ
cord-286146-im42752g	139	19	risk	risk	NN
cord-286146-im42752g	139	20	.	.	.
cord-286146-im42752g	140	1	Many	many	JJ
cord-286146-im42752g	140	2	countermeasures	countermeasure	NNS
cord-286146-im42752g	140	3	to	to	TO
cord-286146-im42752g	140	4	prevent	prevent	VB
cord-286146-im42752g	140	5	the	the	DT
cord-286146-im42752g	140	6	spread	spread	NN
cord-286146-im42752g	140	7	of	of	IN
cord-286146-im42752g	140	8	COVID-19	COVID-19	NNP
cord-286146-im42752g	140	9	have	have	VBP
cord-286146-im42752g	140	10	been	be	VBN
cord-286146-im42752g	140	11	implemented	implement	VBN
cord-286146-im42752g	140	12	by	by	IN
cord-286146-im42752g	140	13	air	air	NN
cord-286146-im42752g	140	14	companies	company	NNS
cord-286146-im42752g	140	15	and	and	CC
cord-286146-im42752g	140	16	the	the	DT
cord-286146-im42752g	140	17	International	International	NNP
cord-286146-im42752g	140	18	Air	Air	NNP
cord-286146-im42752g	140	19	Transport	Transport	NNP
cord-286146-im42752g	140	20	Association	Association	NNP
cord-286146-im42752g	140	21	(	(	-LRB-
cord-286146-im42752g	140	22	IATA	IATA	NNP
cord-286146-im42752g	140	23	,	,	,
cord-286146-im42752g	140	24	2020	2020	CD
cord-286146-im42752g	140	25	)	)	-RRB-
cord-286146-im42752g	140	26	.	.	.
cord-286146-im42752g	141	1	According	accord	VBG
cord-286146-im42752g	141	2	to	to	IN
cord-286146-im42752g	141	3	IATA	IATA	NNP
cord-286146-im42752g	141	4	(	(	-LRB-
cord-286146-im42752g	141	5	2020	2020	CD
cord-286146-im42752g	141	6	)	)	-RRB-
cord-286146-im42752g	141	7	,	,	,
cord-286146-im42752g	141	8	transport	transport	NN
cord-286146-im42752g	141	9	flights	flight	NNS
cord-286146-im42752g	141	10	are	be	VBP
cord-286146-im42752g	141	11	categorized	categorize	VBN
cord-286146-im42752g	141	12	into	into	IN
cord-286146-im42752g	141	13	three	three	CD
cord-286146-im42752g	141	14	levels	level	NNS
cord-286146-im42752g	141	15	:	:	:
cord-286146-im42752g	141	16	high	high	JJ
cord-286146-im42752g	141	17	-	-	HYPH
cord-286146-im42752g	141	18	risk	risk	NN
cord-286146-im42752g	141	19	flights	flight	NNS
cord-286146-im42752g	141	20	,	,	,
cord-286146-im42752g	141	21	medium	medium	NN
cord-286146-im42752g	141	22	-	-	HYPH
cord-286146-im42752g	141	23	risk	risk	NN
cord-286146-im42752g	141	24	flights	flight	NNS
cord-286146-im42752g	141	25	,	,	,
cord-286146-im42752g	141	26	and	and	CC
cord-286146-im42752g	141	27	low	low	JJ
cord-286146-im42752g	141	28	-	-	HYPH
cord-286146-im42752g	141	29	risk	risk	NN
cord-286146-im42752g	141	30	flights	flight	NNS
cord-286146-im42752g	141	31	,	,	,
cord-286146-im42752g	141	32	and	and	CC
cord-286146-im42752g	141	33	differentiated	differentiated	JJ
cord-286146-im42752g	141	34	prevention	prevention	NN
cord-286146-im42752g	141	35	and	and	CC
cord-286146-im42752g	141	36	control	control	NN
cord-286146-im42752g	141	37	measures	measure	NNS
cord-286146-im42752g	141	38	are	be	VBP
cord-286146-im42752g	141	39	applied	apply	VBN
cord-286146-im42752g	141	40	after	after	IN
cord-286146-im42752g	141	41	a	a	DT
cord-286146-im42752g	141	42	comprehensive	comprehensive	JJ
cord-286146-im42752g	141	43	evaluation	evaluation	NN
cord-286146-im42752g	141	44	of	of	IN
cord-286146-im42752g	141	45	the	the	DT
cord-286146-im42752g	141	46	outbreak	outbreak	NN
cord-286146-im42752g	141	47	at	at	IN
cord-286146-im42752g	141	48	the	the	DT
cord-286146-im42752g	141	49	place	place	NN
cord-286146-im42752g	141	50	of	of	IN
cord-286146-im42752g	141	51	origin	origin	NN
cord-286146-im42752g	141	52	of	of	IN
cord-286146-im42752g	141	53	the	the	DT
cord-286146-im42752g	141	54	flights	flight	NNS
cord-286146-im42752g	141	55	,	,	,
cord-286146-im42752g	141	56	whether	whether	IN
cord-286146-im42752g	141	57	the	the	DT
cord-286146-im42752g	141	58	aircraft	aircraft	NN
cord-286146-im42752g	141	59	is	be	VBZ
cord-286146-im42752g	141	60	equipped	equip	VBN
cord-286146-im42752g	141	61	with	with	IN
cord-286146-im42752g	141	62	high	high	JJ
cord-286146-im42752g	141	63	efficiency	efficiency	NN
cord-286146-im42752g	141	64	particulate	particulate	NN
cord-286146-im42752g	141	65	air	air	NN
cord-286146-im42752g	141	66	filters	filter	NNS
cord-286146-im42752g	141	67	,	,	,
cord-286146-im42752g	141	68	and	and	CC
cord-286146-im42752g	141	69	other	other	JJ
cord-286146-im42752g	141	70	indicators	indicator	NNS
cord-286146-im42752g	141	71	such	such	JJ
cord-286146-im42752g	141	72	as	as	IN
cord-286146-im42752g	141	73	load	load	NN
cord-286146-im42752g	141	74	factors	factor	NNS
cord-286146-im42752g	141	75	,	,	,
cord-286146-im42752g	141	76	flight	flight	NN
cord-286146-im42752g	141	77	time	time	NN
cord-286146-im42752g	141	78	,	,	,
cord-286146-im42752g	141	79	and	and	CC
cord-286146-im42752g	141	80	mission	mission	NN
cord-286146-im42752g	141	81	of	of	IN
cord-286146-im42752g	141	82	the	the	DT
cord-286146-im42752g	141	83	flights	flight	NNS
cord-286146-im42752g	141	84	.	.	.
cord-286146-im42752g	142	1	It	-PRON-	PRP
cord-286146-im42752g	142	2	is	be	VBZ
cord-286146-im42752g	142	3	also	also	RB
cord-286146-im42752g	142	4	important	important	JJ
cord-286146-im42752g	142	5	for	for	IN
cord-286146-im42752g	142	6	passengers	passenger	NNS
cord-286146-im42752g	142	7	not	not	RB
cord-286146-im42752g	142	8	to	to	TO
cord-286146-im42752g	142	9	travel	travel	VB
cord-286146-im42752g	142	10	when	when	WRB
cord-286146-im42752g	142	11	they	-PRON-	PRP
cord-286146-im42752g	142	12	are	be	VBP
cord-286146-im42752g	142	13	ill	ill	JJ
cord-286146-im42752g	142	14	and	and	CC
cord-286146-im42752g	142	15	if	if	IN
cord-286146-im42752g	142	16	they	-PRON-	PRP
cord-286146-im42752g	142	17	experience	experience	VBP
cord-286146-im42752g	142	18	symptoms	symptom	NNS
cord-286146-im42752g	142	19	suggestive	suggestive	JJ
cord-286146-im42752g	142	20	of	of	IN
cord-286146-im42752g	142	21	respiratory	respiratory	JJ
cord-286146-im42752g	142	22	illness	illness	NN
cord-286146-im42752g	142	23	during	during	IN
cord-286146-im42752g	142	24	or	or	CC
cord-286146-im42752g	142	25	after	after	IN
cord-286146-im42752g	142	26	a	a	DT
cord-286146-im42752g	142	27	trip	trip	NN
cord-286146-im42752g	142	28	;	;	:
cord-286146-im42752g	142	29	they	-PRON-	PRP
cord-286146-im42752g	142	30	must	must	MD
cord-286146-im42752g	142	31	seek	seek	VB
cord-286146-im42752g	142	32	medical	medical	JJ
cord-286146-im42752g	142	33	attention	attention	NN
cord-286146-im42752g	142	34	and	and	CC
cord-286146-im42752g	142	35	share	share	VB
cord-286146-im42752g	142	36	their	-PRON-	PRP$
cord-286146-im42752g	142	37	travel	travel	NN
cord-286146-im42752g	142	38	history	history	NN
cord-286146-im42752g	142	39	with	with	IN
cord-286146-im42752g	142	40	their	-PRON-	PRP$
cord-286146-im42752g	142	41	health	health	NN
cord-286146-im42752g	142	42	care	care	NN
cord-286146-im42752g	142	43	provider	provider	NN
cord-286146-im42752g	142	44	or	or	CC
cord-286146-im42752g	142	45	medical	medical	JJ
cord-286146-im42752g	142	46	doctor	doctor	NN
cord-286146-im42752g	142	47	.	.	.
cord-286146-im42752g	143	1	Furthermore	furthermore	RB
cord-286146-im42752g	143	2	,	,	,
cord-286146-im42752g	143	3	national	national	JJ
cord-286146-im42752g	143	4	and	and	CC
cord-286146-im42752g	143	5	local	local	JJ
cord-286146-im42752g	143	6	governments	government	NNS
cord-286146-im42752g	143	7	should	should	MD
cord-286146-im42752g	143	8	provide	provide	VB
cord-286146-im42752g	143	9	clear	clear	JJ
cord-286146-im42752g	143	10	instructions	instruction	NNS
cord-286146-im42752g	143	11	and	and	CC
cord-286146-im42752g	143	12	countermeasures	countermeasure	NNS
cord-286146-im42752g	143	13	for	for	IN
cord-286146-im42752g	143	14	their	-PRON-	PRP$
cord-286146-im42752g	143	15	people	people	NNS
cord-286146-im42752g	143	16	to	to	TO
cord-286146-im42752g	143	17	reduce	reduce	VB
cord-286146-im42752g	143	18	the	the	DT
cord-286146-im42752g	143	19	actual	actual	JJ
cord-286146-im42752g	143	20	risk	risk	NN
cord-286146-im42752g	143	21	of	of	IN
cord-286146-im42752g	143	22	importation	importation	NN
cord-286146-im42752g	143	23	and	and	CC
cord-286146-im42752g	143	24	exportation	exportation	NN
cord-286146-im42752g	143	25	of	of	IN
cord-286146-im42752g	143	26	COVID-19	covid-19	NN
cord-286146-im42752g	143	27	.	.	.
cord-286146-im42752g	144	1	This	this	DT
cord-286146-im42752g	144	2	research	research	NN
cord-286146-im42752g	144	3	did	do	VBD
cord-286146-im42752g	144	4	not	not	RB
cord-286146-im42752g	144	5	receive	receive	VB
cord-286146-im42752g	144	6	any	any	DT
cord-286146-im42752g	144	7	specific	specific	JJ
cord-286146-im42752g	144	8	grant	grant	NN
cord-286146-im42752g	144	9	from	from	IN
cord-286146-im42752g	144	10	funding	fund	VBG
cord-286146-im42752g	144	11	agencies	agency	NNS
cord-286146-im42752g	144	12	in	in	IN
cord-286146-im42752g	144	13	the	the	DT
cord-286146-im42752g	144	14	public	public	NN
cord-286146-im42752g	144	15	,	,	,
cord-286146-im42752g	144	16	commercial	commercial	JJ
cord-286146-im42752g	144	17	,	,	,
cord-286146-im42752g	144	18	or	or	CC
cord-286146-im42752g	144	19	not	not	RB
cord-286146-im42752g	144	20	-	-	HYPH
cord-286146-im42752g	144	21	for	for	IN
cord-286146-im42752g	144	22	-	-	HYPH
cord-286146-im42752g	144	23	profit	profit	NN
cord-286146-im42752g	144	24	sectors	sector	NNS
cord-286146-im42752g	144	25	.	.	.
cord-286146-im42752g	145	1	The	the	DT
cord-286146-im42752g	145	2	authors	author	NNS
cord-286146-im42752g	145	3	declare	declare	VBP
cord-286146-im42752g	145	4	that	that	IN
cord-286146-im42752g	145	5	they	-PRON-	PRP
cord-286146-im42752g	145	6	have	have	VBP
cord-286146-im42752g	145	7	no	no	DT
cord-286146-im42752g	145	8	known	know	VBN
cord-286146-im42752g	145	9	competing	compete	VBG
cord-286146-im42752g	145	10	financial	financial	JJ
cord-286146-im42752g	145	11	interests	interest	NNS
cord-286146-im42752g	145	12	or	or	CC
cord-286146-im42752g	145	13	personal	personal	JJ
cord-286146-im42752g	145	14	relationships	relationship	NNS
cord-286146-im42752g	145	15	that	that	WDT
cord-286146-im42752g	145	16	could	could	MD
cord-286146-im42752g	145	17	have	have	VB
cord-286146-im42752g	145	18	appeared	appear	VBN
cord-286146-im42752g	145	19	to	to	TO
cord-286146-im42752g	145	20	influence	influence	VB
cord-286146-im42752g	145	21	Notes	note	NNS
cord-286146-im42752g	145	22	:	:	:
cord-286146-im42752g	145	23	0	0	NFP
cord-286146-im42752g	145	24	.	.	.
cord-286146-im42752g	146	1	status	status	NNP
cord-286146-im42752g	146	2	quo	quo	NN
cord-286146-im42752g	146	3	;	;	:
cord-286146-im42752g	146	4	1	1	CD
cord-286146-im42752g	146	5	.	.	.
cord-286146-im42752g	146	6	scenario	scenario	NN
cord-286146-im42752g	146	7	1	1	CD
cord-286146-im42752g	146	8	;	;	SYM
cord-286146-im42752g	146	9	2	2	CD
cord-286146-im42752g	146	10	.	.	.
cord-286146-im42752g	146	11	scenario	scenario	NN
cord-286146-im42752g	146	12	2	2	CD
cord-286146-im42752g	146	13	;	;	:
cord-286146-im42752g	146	14	3	3	CD
cord-286146-im42752g	146	15	.	.	.
cord-286146-im42752g	146	16	scenario	scenario	NN
cord-286146-im42752g	146	17	3	3	CD
cord-286146-im42752g	146	18	.	.	.
cord-286146-im42752g	147	1	Seasonal	seasonal	JJ
cord-286146-im42752g	147	2	transmission	transmission	NN
cord-286146-im42752g	147	3	potential	potential	NN
cord-286146-im42752g	147	4	and	and	CC
cord-286146-im42752g	147	5	activity	activity	NN
cord-286146-im42752g	147	6	peaks	peak	NNS
cord-286146-im42752g	147	7	of	of	IN
cord-286146-im42752g	147	8	the	the	DT
cord-286146-im42752g	147	9	new	new	JJ
cord-286146-im42752g	147	10	influenza	influenza	NN
cord-286146-im42752g	147	11	A(H1N1	A(H1N1	NNP
cord-286146-im42752g	147	12	)	)	-RRB-
cord-286146-im42752g	148	1	:	:	:
cord-286146-im42752g	148	2	a	a	DT
cord-286146-im42752g	148	3	Monte	Monte	NNP
cord-286146-im42752g	148	4	Carlo	Carlo	NNP
cord-286146-im42752g	148	5	likelihood	likelihood	NN
cord-286146-im42752g	148	6	analysis	analysis	NN
cord-286146-im42752g	148	7	based	base	VBN
cord-286146-im42752g	148	8	on	on	IN
cord-286146-im42752g	148	9	human	human	JJ
cord-286146-im42752g	148	10	mobility	mobility	NN
cord-286146-im42752g	148	11	Potential	Potential	NNP
cord-286146-im42752g	148	12	for	for	IN
cord-286146-im42752g	148	13	global	global	JJ
cord-286146-im42752g	148	14	spread	spread	NN
cord-286146-im42752g	148	15	of	of	IN
cord-286146-im42752g	148	16	a	a	DT
cord-286146-im42752g	148	17	novel	novel	JJ
cord-286146-im42752g	148	18	coronavirus	coronavirus	NN
cord-286146-im42752g	148	19	from	from	IN
cord-286146-im42752g	148	20	The	the	DT
cord-286146-im42752g	148	21	effect	effect	NN
cord-286146-im42752g	148	22	of	of	IN
cord-286146-im42752g	148	23	travel	travel	NN
cord-286146-im42752g	148	24	restrictions	restriction	NNS
cord-286146-im42752g	148	25	on	on	IN
cord-286146-im42752g	148	26	the	the	DT
cord-286146-im42752g	148	27	spread	spread	NN
cord-286146-im42752g	148	28	of	of	IN
cord-286146-im42752g	148	29	the	the	DT
cord-286146-im42752g	148	30	2019	2019	CD
cord-286146-im42752g	148	31	novel	novel	NN
cord-286146-im42752g	148	32	coronavirus	coronavirus	NN
cord-286146-im42752g	148	33	(	(	-LRB-
cord-286146-im42752g	148	34	COVID-19	covid-19	VB
cord-286146-im42752g	148	35	)	)	-RRB-
cord-286146-im42752g	149	1	outbreak	outbreak	NN
cord-286146-im42752g	150	1	Societal	societal	JJ
cord-286146-im42752g	150	2	learning	learning	NN
cord-286146-im42752g	150	3	in	in	IN
cord-286146-im42752g	150	4	epidemics	epidemic	NNS
cord-286146-im42752g	150	5	:	:	:
cord-286146-im42752g	151	1	intervention	intervention	NN
cord-286146-im42752g	151	2	effectiveness	effectiveness	NN
cord-286146-im42752g	151	3	during	during	IN
cord-286146-im42752g	151	4	the	the	DT
cord-286146-im42752g	151	5	2003	2003	CD
cord-286146-im42752g	151	6	SARS	SARS	NNP
cord-286146-im42752g	151	7	outbreak	outbreak	NN
cord-286146-im42752g	151	8	in	in	IN
cord-286146-im42752g	151	9	Singapore	Singapore	NNP
cord-286146-im42752g	151	10	Preparedness	Preparedness	NNP
cord-286146-im42752g	151	11	and	and	CC
cord-286146-im42752g	151	12	vulnerability	vulnerability	NN
cord-286146-im42752g	151	13	of	of	IN
cord-286146-im42752g	151	14	African	african	JJ
cord-286146-im42752g	151	15	countries	country	NNS
cord-286146-im42752g	151	16	against	against	IN
cord-286146-im42752g	151	17	importations	importation	NNS
cord-286146-im42752g	151	18	of	of	IN
cord-286146-im42752g	151	19	COVID-19	covid-19	NN
cord-286146-im42752g	151	20	:	:	:
cord-286146-im42752g	151	21	a	a	DT
cord-286146-im42752g	151	22	modelling	modelling	NN
cord-286146-im42752g	151	23	study	study	NN
cord-286146-im42752g	151	24	Passengers	passenger	NNS
cord-286146-im42752g	151	25	'	'	POS
cord-286146-im42752g	151	26	destinations	destination	NNS
cord-286146-im42752g	151	27	from	from	IN
cord-286146-im42752g	151	28	China	China	NNP
cord-286146-im42752g	151	29	:	:	:
cord-286146-im42752g	151	30	low	low	JJ
cord-286146-im42752g	151	31	risk	risk	NN
cord-286146-im42752g	151	32	of	of	IN
cord-286146-im42752g	151	33	novel	novel	JJ
cord-286146-im42752g	151	34	coronavirus	coronavirus	NN
cord-286146-im42752g	151	35	(	(	-LRB-
cord-286146-im42752g	151	36	2019-nCoV	2019-ncov	CD
cord-286146-im42752g	151	37	)	)	-RRB-
cord-286146-im42752g	151	38	transmission	transmission	NN
cord-286146-im42752g	151	39	into	into	IN
cord-286146-im42752g	151	40	Africa	Africa	NNP
cord-286146-im42752g	151	41	and	and	CC
cord-286146-im42752g	151	42	South	South	NNP
cord-286146-im42752g	151	43	America	America	NNP
cord-286146-im42752g	152	1	An	an	DT
cord-286146-im42752g	152	2	open	open	JJ
cord-286146-im42752g	152	3	-	-	HYPH
cord-286146-im42752g	152	4	access	access	NN
cord-286146-im42752g	152	5	modeled	model	VBN
cord-286146-im42752g	152	6	passenger	passenger	NN
cord-286146-im42752g	152	7	flow	flow	NN
cord-286146-im42752g	152	8	matrix	matrix	NN
cord-286146-im42752g	152	9	for	for	IN
cord-286146-im42752g	152	10	the	the	DT
cord-286146-im42752g	152	11	global	global	JJ
cord-286146-im42752g	152	12	air	air	NN
cord-286146-im42752g	152	13	network	network	NN
cord-286146-im42752g	152	14	in	in	IN
cord-286146-im42752g	152	15	2010	2010	CD
cord-286146-im42752g	152	16	International	International	NNP
cord-286146-im42752g	152	17	Air	Air	NNP
cord-286146-im42752g	152	18	Transport	Transport	NNP
cord-286146-im42752g	152	19	Association	Association	NNP
cord-286146-im42752g	152	20	(	(	-LRB-
cord-286146-im42752g	152	21	Iata	Iata	NNP
cord-286146-im42752g	152	22	)	)	-RRB-
cord-286146-im42752g	152	23	,	,	,
cord-286146-im42752g	152	24	2020	2020	CD
cord-286146-im42752g	152	25	.	.	.
cord-286146-im42752g	153	1	Preventing	prevent	VBG
cord-286146-im42752g	153	2	spread	spread	NN
cord-286146-im42752g	153	3	of	of	IN
cord-286146-im42752g	153	4	coronavirus	coronavirus	NN
cord-286146-im42752g	153	5	disease	disease	NN
cord-286146-im42752g	153	6	2019	2019	CD
cord-286146-im42752g	153	7	(	(	-LRB-
cord-286146-im42752g	153	8	COVID-19	COVID-19	NNP
cord-286146-im42752g	153	9	)	)	-RRB-
cord-286146-im42752g	153	10	guideline	guideline	NN
cord-286146-im42752g	153	11	for	for	IN
cord-286146-im42752g	153	12	airlines	airline	NNS
cord-286146-im42752g	153	13	Coronavirus	Coronavirus	NNP
cord-286146-im42752g	153	14	COVID-19	COVID-19	,
cord-286146-im42752g	153	15	global	global	JJ
cord-286146-im42752g	153	16	cases	case	NNS
cord-286146-im42752g	153	17	Health	Health	NNP
cord-286146-im42752g	153	18	security	security	NN
cord-286146-im42752g	153	19	capacities	capacity	NNS
cord-286146-im42752g	153	20	in	in	IN
cord-286146-im42752g	153	21	the	the	DT
cord-286146-im42752g	153	22	context	context	NN
cord-286146-im42752g	153	23	of	of	IN
cord-286146-im42752g	153	24	COVID-19	covid-19	JJ
cord-286146-im42752g	153	25	outbreak	outbreak	NN
cord-286146-im42752g	153	26	:	:	:
cord-286146-im42752g	153	27	an	an	DT
cord-286146-im42752g	153	28	analysis	analysis	NN
cord-286146-im42752g	153	29	of	of	IN
cord-286146-im42752g	153	30	International	International	NNP
cord-286146-im42752g	153	31	Health	Health	NNP
cord-286146-im42752g	153	32	Regulations	Regulations	NNPS
cord-286146-im42752g	153	33	annual	annual	JJ
cord-286146-im42752g	153	34	report	report	NN
cord-286146-im42752g	153	35	data	datum	NNS
cord-286146-im42752g	153	36	from	from	IN
cord-286146-im42752g	153	37	182	182	CD
cord-286146-im42752g	153	38	countries	country	NNS
cord-286146-im42752g	154	1	Preliminary	preliminary	JJ
cord-286146-im42752g	154	2	risk	risk	NN
cord-286146-im42752g	154	3	analysis	analysis	NN
cord-286146-im42752g	154	4	of	of	IN
cord-286146-im42752g	154	5	2019	2019	CD
cord-286146-im42752g	154	6	novel	novel	JJ
cord-286146-im42752g	154	7	coronavirus	coronavirus	NN
cord-286146-im42752g	154	8	spread	spread	VBD
cord-286146-im42752g	154	9	within	within	IN
cord-286146-im42752g	154	10	and	and	CC
cord-286146-im42752g	154	11	beyond	beyond	IN
cord-286146-im42752g	154	12	China	China	NNP
cord-286146-im42752g	154	13	Metapopulation	Metapopulation	NNP
cord-286146-im42752g	154	14	model	model	NN
cord-286146-im42752g	154	15	using	use	VBG
cord-286146-im42752g	154	16	commuting	commute	VBG
cord-286146-im42752g	154	17	flow	flow	NN
cord-286146-im42752g	154	18	for	for	IN
cord-286146-im42752g	154	19	national	national	JJ
cord-286146-im42752g	154	20	spread	spread	NN
cord-286146-im42752g	154	21	of	of	IN
cord-286146-im42752g	154	22	the	the	DT
cord-286146-im42752g	154	23	2009	2009	CD
cord-286146-im42752g	154	24	H1N1	H1N1	NNP
cord-286146-im42752g	154	25	influenza	influenza	NN
cord-286146-im42752g	154	26	virus	virus	NN
cord-286146-im42752g	154	27	in	in	IN
cord-286146-im42752g	154	28	the	the	DT
cord-286146-im42752g	154	29	Republic	Republic	NNP
cord-286146-im42752g	154	30	of	of	IN
cord-286146-im42752g	154	31	Global	Global	NNP
cord-286146-im42752g	154	32	risk	risk	NN
cord-286146-im42752g	154	33	mapping	mapping	NN
cord-286146-im42752g	154	34	for	for	IN
cord-286146-im42752g	154	35	major	major	JJ
cord-286146-im42752g	154	36	diseases	disease	NNS
cord-286146-im42752g	154	37	transmitted	transmit	VBN
cord-286146-im42752g	154	38	by	by	IN
cord-286146-im42752g	154	39	Aedes	Aedes	NNP
cord-286146-im42752g	154	40	aegypti	aegypti	NN
cord-286146-im42752g	154	41	and	and	CC
cord-286146-im42752g	154	42	Aedes	Aedes	NNP
cord-286146-im42752g	154	43	albopictus	albopictus	NN
cord-286146-im42752g	154	44	Global	Global	NNP
cord-286146-im42752g	154	45	spatio	spatio	NN
cord-286146-im42752g	154	46	-	-	,
cord-286146-im42752g	154	47	temporally	temporally	RB
cord-286146-im42752g	154	48	harmonised	harmonise	VBN
cord-286146-im42752g	154	49	datasets	dataset	NNS
cord-286146-im42752g	154	50	for	for	IN
cord-286146-im42752g	154	51	producing	produce	VBG
cord-286146-im42752g	154	52	high	high	JJ
cord-286146-im42752g	154	53	-	-	HYPH
cord-286146-im42752g	154	54	resolution	resolution	NN
cord-286146-im42752g	154	55	gridded	gridded	JJ
cord-286146-im42752g	154	56	population	population	NN
cord-286146-im42752g	154	57	distribution	distribution	NN
cord-286146-im42752g	154	58	datasets	dataset	NNS
cord-286146-im42752g	154	59	Quantifying	quantify	VBG
cord-286146-im42752g	154	60	the	the	DT
cord-286146-im42752g	154	61	risk	risk	NN
cord-286146-im42752g	154	62	of	of	IN
cord-286146-im42752g	154	63	Zika	Zika	NNP
cord-286146-im42752g	154	64	virus	virus	NN
cord-286146-im42752g	154	65	spread	spread	VBD
cord-286146-im42752g	154	66	in	in	IN
cord-286146-im42752g	154	67	Asia	Asia	NNP
cord-286146-im42752g	154	68	during	during	IN
cord-286146-im42752g	154	69	the	the	DT
cord-286146-im42752g	154	70	2015	2015	CD
cord-286146-im42752g	154	71	-	-	SYM
cord-286146-im42752g	154	72	16	16	CD
cord-286146-im42752g	154	73	epidemic	epidemic	NN
cord-286146-im42752g	154	74	in	in	IN
cord-286146-im42752g	154	75	Latin	Latin	NNP
cord-286146-im42752g	154	76	America	America	NNP
cord-286146-im42752g	154	77	and	and	CC
cord-286146-im42752g	154	78	the	the	DT
cord-286146-im42752g	154	79	Caribbean	Caribbean	NNP
cord-286146-im42752g	154	80	:	:	:
cord-286146-im42752g	154	81	a	a	DT
cord-286146-im42752g	154	82	modeling	modeling	NN
cord-286146-im42752g	154	83	study	study	NN
cord-286146-im42752g	154	84	Ebola	Ebola	NNP
cord-286146-im42752g	154	85	response	response	NN
cord-286146-im42752g	154	86	impact	impact	NN
cord-286146-im42752g	154	87	on	on	IN
cord-286146-im42752g	154	88	public	public	JJ
cord-286146-im42752g	154	89	health	health	NN
cord-286146-im42752g	154	90	programs	program	NNS
cord-286146-im42752g	154	91	Lessons	lesson	NNS
cord-286146-im42752g	154	92	learnt	learn	VBD
cord-286146-im42752g	154	93	from	from	IN
cord-286146-im42752g	154	94	288	288	CD
cord-286146-im42752g	154	95	COVID-19	covid-19	JJ
cord-286146-im42752g	154	96	international	international	JJ
cord-286146-im42752g	154	97	cases	case	NNS
cord-286146-im42752g	154	98	:	:	:
cord-286146-im42752g	154	99	importations	importation	NNS
cord-286146-im42752g	154	100	over	over	IN
cord-286146-im42752g	154	101	time	time	NN
cord-286146-im42752g	154	102	,	,	,
cord-286146-im42752g	154	103	effect	effect	NN
cord-286146-im42752g	154	104	of	of	IN
cord-286146-im42752g	154	105	interventions	intervention	NNS
cord-286146-im42752g	154	106	,	,	,
cord-286146-im42752g	154	107	under	under	IN
cord-286146-im42752g	154	108	detection	detection	NN
cord-286146-im42752g	154	109	of	of	IN
cord-286146-im42752g	154	110	imported	import	VBN
cord-286146-im42752g	154	111	cases	case	NNS
cord-286146-im42752g	154	112	Assessing	assess	VBG
cord-286146-im42752g	154	113	seasonal	seasonal	JJ
cord-286146-im42752g	154	114	risks	risk	NNS
cord-286146-im42752g	154	115	for	for	IN
cord-286146-im42752g	154	116	the	the	DT
cord-286146-im42752g	154	117	introduction	introduction	NN
cord-286146-im42752g	154	118	and	and	CC
cord-286146-im42752g	154	119	mosquito	mosquito	NN
cord-286146-im42752g	154	120	-	-	HYPH
cord-286146-im42752g	154	121	borne	bear	VBN
cord-286146-im42752g	154	122	spread	spread	NN
cord-286146-im42752g	154	123	of	of	IN
cord-286146-im42752g	154	124	Zika	Zika	NNP
cord-286146-im42752g	154	125	virus	virus	NN
cord-286146-im42752g	154	126	in	in	IN
cord-286146-im42752g	154	127	Europe	Europe	NNP
cord-286146-im42752g	154	128	Existing	exist	VBG
cord-286146-im42752g	154	129	and	and	CC
cord-286146-im42752g	154	130	potential	potential	JJ
cord-286146-im42752g	154	131	infection	infection	NN
cord-286146-im42752g	154	132	risk	risk	NN
cord-286146-im42752g	154	133	zones	zone	NNS
cord-286146-im42752g	154	134	of	of	IN
cord-286146-im42752g	154	135	yellow	yellow	JJ
cord-286146-im42752g	154	136	fever	fever	NN
cord-286146-im42752g	154	137	worldwide	worldwide	RB
cord-286146-im42752g	154	138	:	:	:
cord-286146-im42752g	154	139	a	a	DT
cord-286146-im42752g	154	140	modelling	modelling	NN
cord-286146-im42752g	154	141	analysis	analysis	NN
cord-286146-im42752g	154	142	Early	early	JJ
cord-286146-im42752g	154	143	epidemiological	epidemiological	JJ
cord-286146-im42752g	154	144	analysis	analysis	NN
cord-286146-im42752g	154	145	of	of	IN
cord-286146-im42752g	154	146	the	the	DT
cord-286146-im42752g	154	147	coronavirus	coronavirus	NN
cord-286146-im42752g	154	148	disease	disease	NN
cord-286146-im42752g	154	149	2019	2019	CD
cord-286146-im42752g	154	150	outbreak	outbreak	NN
cord-286146-im42752g	154	151	based	base	VBN
cord-286146-im42752g	154	152	on	on	IN
cord-286146-im42752g	154	153	crowdsourced	crowdsource	VBN
cord-286146-im42752g	154	154	data	datum	NNS
cord-286146-im42752g	154	155	:	:	:
cord-286146-im42752g	154	156	a	a	DT
cord-286146-im42752g	154	157	population	population	NN
cord-286146-im42752g	154	158	-	-	HYPH
cord-286146-im42752g	154	159	level	level	NN
cord-286146-im42752g	154	160	observational	observational	JJ
cord-286146-im42752g	154	161	study	study	NN
cord-286146-im42752g	154	162	WorldPop	WorldPop	NNP
cord-286146-im42752g	154	163	,	,	,
cord-286146-im42752g	154	164	open	open	JJ
cord-286146-im42752g	154	165	data	datum	NNS
cord-286146-im42752g	154	166	for	for	IN
cord-286146-im42752g	154	167	spatial	spatial	JJ
cord-286146-im42752g	154	168	demography	demography	NN
cord-286146-im42752g	155	1	Novel	novel	JJ
cord-286146-im42752g	155	2	coronavirus	coronavirus	NN
cord-286146-im42752g	155	3	-situation	-situation	:
cord-286146-im42752g	155	4	report	report	NN
cord-286146-im42752g	155	5	43	43	CD
cord-286146-im42752g	155	6	WHO	WHO	NNP
cord-286146-im42752g	155	7	virtual	virtual	JJ
cord-286146-im42752g	155	8	press	press	NN
cord-286146-im42752g	155	9	conference	conference	NN
cord-286146-im42752g	155	10	on	on	IN
cord-286146-im42752g	155	11	COVID-19	COVID-19	NNP
cord-286146-im42752g	155	12	Nowcasting	Nowcasting	NNP
cord-286146-im42752g	155	13	and	and	CC
cord-286146-im42752g	155	14	forecasting	forecast	VBG
cord-286146-im42752g	155	15	the	the	DT
cord-286146-im42752g	155	16	potential	potential	JJ
cord-286146-im42752g	155	17	domestic	domestic	JJ
cord-286146-im42752g	155	18	and	and	CC
cord-286146-im42752g	155	19	international	international	JJ
cord-286146-im42752g	155	20	spread	spread	NN
cord-286146-im42752g	155	21	of	of	IN
cord-286146-im42752g	155	22	the	the	DT
cord-286146-im42752g	155	23	2019-nCoV	2019-ncov	CD
cord-286146-im42752g	155	24	outbreak	outbreak	NN
cord-286146-im42752g	155	25	originating	originate	VBG
cord-286146-im42752g	155	26	in	in	IN
cord-286146-im42752g	155	27	Wuhan	Wuhan	NNP
cord-286146-im42752g	155	28	,	,	,
cord-286146-im42752g	155	29	China	China	NNP
cord-286146-im42752g	155	30	:	:	:
cord-286146-im42752g	155	31	a	a	DT
cord-286146-im42752g	155	32	modelling	modelling	NN
cord-286146-im42752g	155	33	study	study	NN
cord-286146-im42752g	155	34	We	-PRON-	PRP
cord-286146-im42752g	155	35	would	would	MD
cord-286146-im42752g	155	36	like	like	VB
cord-286146-im42752g	155	37	to	to	TO
cord-286146-im42752g	155	38	thank	thank	VB
cord-286146-im42752g	155	39	Editage	Editage	NNP
cord-286146-im42752g	155	40	[	[	-LRB-
cord-286146-im42752g	155	41	http://www.editage.com	http://www.editage.com	ADD
cord-286146-im42752g	155	42	]	]	-RRB-
cord-286146-im42752g	155	43	for	for	IN
cord-286146-im42752g	155	44	editing	edit	VBG
cord-286146-im42752g	155	45	and	and	CC
cord-286146-im42752g	155	46	reviewing	review	VBG
cord-286146-im42752g	155	47	this	this	DT
cord-286146-im42752g	155	48	manuscript	manuscript	NN
cord-286146-im42752g	155	49	for	for	IN
cord-286146-im42752g	155	50	English	english	JJ
cord-286146-im42752g	155	51	language	language	NN
cord-286146-im42752g	155	52	.	.	.
cord-286146-im42752g	156	1	Supplementary	supplementary	JJ
cord-286146-im42752g	156	2	data	datum	NNS
cord-286146-im42752g	156	3	to	to	IN
cord-286146-im42752g	156	4	this	this	DT
cord-286146-im42752g	156	5	article	article	NN
cord-286146-im42752g	156	6	can	can	MD
cord-286146-im42752g	156	7	be	be	VB
cord-286146-im42752g	156	8	found	find	VBN
cord-286146-im42752g	156	9	online	online	RB
cord-286146-im42752g	156	10	at	at	IN
cord-286146-im42752g	156	11	https://doi	https://doi	NNP
cord-286146-im42752g	156	12	.	.	.
cord-286146-im42752g	157	1	org/10.1016	org/10.1016	NNP
cord-286146-im42752g	157	2	/	/	SYM
cord-286146-im42752g	157	3	j.tranpol.2020.06.018	j.tranpol.2020.06.018	NNP
cord-286146-im42752g	157	4	.	.	.