id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-333515-llqpfhwg	Zhao, Juanjuan	Antibody responses to SARS-CoV-2 in patients of novel coronavirus disease 2019	2020-03-03		.txt	text/plain	3575	230	56	Their serial plasma samples (n = 535) collected during the hospitalization period were tested for total antibodies (Ab), IgM and IgG against SARS-CoV-2 using immunoassays. To mitigate this knowledge gap, and to provide scientific analysis on the benefit of antibody testing when used in combination with the current RNA testing, this study investigates the dynamics of total antibody (Ab), IgM and IgG antibody against SARS-CoV-2 in serial blood samples collected from 173 confirmed COVID-19 patients and provides discussion on the clinical value of antibody testing. A total of 535 plasma samples collected during the hospitalization period of the 173 patients were tested for antibodies against SARS-CoV-2. In addition to the diagnosis value of Ab test, our study revealed a strong positive correlation between clinical severity and antibody titer since 2-week after illness onset, for the first time in COVID-19 patients.	./cache/cord-333515-llqpfhwg.txt	./txt/cord-333515-llqpfhwg.txt