id	sid	tid	token	lemma	pos
cord-313499-8ijbesl8	1	1	key	key	JJ
cord-313499-8ijbesl8	1	2	:	:	:
cord-313499-8ijbesl8	1	3	cord-313499	cord-313499	NN
cord-313499-8ijbesl8	1	4	-	-	HYPH
cord-313499-8ijbesl8	1	5	8ijbesl8	8ijbesl8	CD
cord-313499-8ijbesl8	1	6	authors	author	NNS
cord-313499-8ijbesl8	1	7	:	:	:
cord-313499-8ijbesl8	1	8	Stowell	Stowell	NNP
cord-313499-8ijbesl8	1	9	,	,	,
cord-313499-8ijbesl8	1	10	Sean	Sean	NNP
cord-313499-8ijbesl8	1	11	;	;	:
cord-313499-8ijbesl8	1	12	Guarner	Guarner	NNP
cord-313499-8ijbesl8	1	13	,	,	,
cord-313499-8ijbesl8	1	14	Jeannette	Jeannette	NNP
cord-313499-8ijbesl8	1	15	title	title	NN
cord-313499-8ijbesl8	1	16	:	:	:
cord-313499-8ijbesl8	1	17	Role	role	NN
cord-313499-8ijbesl8	1	18	of	of	IN
cord-313499-8ijbesl8	1	19	serology	serology	NN
cord-313499-8ijbesl8	1	20	in	in	IN
cord-313499-8ijbesl8	1	21	the	the	DT
cord-313499-8ijbesl8	1	22	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	1	23	pandemic	pandemic	NN
cord-313499-8ijbesl8	1	24	date	date	NN
cord-313499-8ijbesl8	1	25	:	:	:
cord-313499-8ijbesl8	1	26	2020	2020	CD
cord-313499-8ijbesl8	1	27	-	-	HYPH
cord-313499-8ijbesl8	1	28	05	05	CD
cord-313499-8ijbesl8	1	29	-	-	HYPH
cord-313499-8ijbesl8	1	30	01	01	CD
cord-313499-8ijbesl8	1	31	journal	journal	NN
cord-313499-8ijbesl8	1	32	:	:	:
cord-313499-8ijbesl8	2	1	Clin	Clin	NNP
cord-313499-8ijbesl8	2	2	Infect	infect	VB
cord-313499-8ijbesl8	2	3	Dis	Dis	NNP
cord-313499-8ijbesl8	2	4	DOI	doi	NN
cord-313499-8ijbesl8	2	5	:	:	:
cord-313499-8ijbesl8	2	6	10.1093	10.1093	CD
cord-313499-8ijbesl8	2	7	/	/	SYM
cord-313499-8ijbesl8	2	8	cid	cid	NNP
cord-313499-8ijbesl8	2	9	/	/	SYM
cord-313499-8ijbesl8	2	10	ciaa510	ciaa510	NNP
cord-313499-8ijbesl8	2	11	sha	sha	NNP
cord-313499-8ijbesl8	2	12	:	:	:
cord-313499-8ijbesl8	3	1	d8673db0439823ec6aab0ef13f470e04fd064e10	d8673db0439823ec6aab0ef13f470e04fd064e10	UH
cord-313499-8ijbesl8	3	2	doc_id	doc_id	CD
cord-313499-8ijbesl8	4	1	:	:	:
cord-313499-8ijbesl8	4	2	313499	313499	CD
cord-313499-8ijbesl8	4	3	cord_uid	cord_uid	FW
cord-313499-8ijbesl8	4	4	:	:	:
cord-313499-8ijbesl8	5	1	8ijbesl8	8ijbesl8	CD
cord-313499-8ijbesl8	5	2	nan	nan	NNP
cord-313499-8ijbesl8	6	1	In	in	IN
cord-313499-8ijbesl8	6	2	this	this	DT
cord-313499-8ijbesl8	6	3	issue	issue	NN
cord-313499-8ijbesl8	6	4	of	of	IN
cord-313499-8ijbesl8	6	5	Clinical	clinical	JJ
cord-313499-8ijbesl8	6	6	Infections	Infections	NNPS
cord-313499-8ijbesl8	6	7	Diseases	Diseases	NNPS
cord-313499-8ijbesl8	6	8	,	,	,
cord-313499-8ijbesl8	6	9	F	F	NNP
cord-313499-8ijbesl8	6	10	Xiang	Xiang	NNP
cord-313499-8ijbesl8	6	11	et	et	NNP
cord-313499-8ijbesl8	6	12	al	al	NNP
cord-313499-8ijbesl8	6	13	present	present	VB
cord-313499-8ijbesl8	6	14	a	a	DT
cord-313499-8ijbesl8	6	15	serologic	serologic	JJ
cord-313499-8ijbesl8	6	16	study	study	NN
cord-313499-8ijbesl8	6	17	of	of	IN
cord-313499-8ijbesl8	6	18	85	85	CD
cord-313499-8ijbesl8	6	19	nucleic	nucleic	JJ
cord-313499-8ijbesl8	6	20	acid	acid	NN
cord-313499-8ijbesl8	6	21	test	test	NN
cord-313499-8ijbesl8	6	22	(	(	-LRB-
cord-313499-8ijbesl8	6	23	NAT	NAT	NNP
cord-313499-8ijbesl8	6	24	)	)	-RRB-
cord-313499-8ijbesl8	6	25	SARS	SARS	NNP
cord-313499-8ijbesl8	6	26	-	-	HYPH
cord-313499-8ijbesl8	6	27	CoV-2	CoV-2	NNP
cord-313499-8ijbesl8	6	28	positive	positive	JJ
cord-313499-8ijbesl8	6	29	patients	patient	NNS
cord-313499-8ijbesl8	6	30	and	and	CC
cord-313499-8ijbesl8	6	31	24	24	CD
cord-313499-8ijbesl8	6	32	NAT	NAT	NNP
cord-313499-8ijbesl8	6	33	negative	negative	JJ
cord-313499-8ijbesl8	6	34	patients	patient	NNS
cord-313499-8ijbesl8	6	35	who	who	WP
cord-313499-8ijbesl8	6	36	had	have	VBD
cord-313499-8ijbesl8	6	37	symptoms	symptom	NNS
cord-313499-8ijbesl8	6	38	suspicious	suspicious	JJ
cord-313499-8ijbesl8	6	39	for	for	IN
cord-313499-8ijbesl8	6	40	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	6	41	1	1	CD
cord-313499-8ijbesl8	6	42	.	.	.
cord-313499-8ijbesl8	7	1	Sixty	Sixty	NNP
cord-313499-8ijbesl8	7	2	controls	control	NNS
cord-313499-8ijbesl8	7	3	were	be	VBD
cord-313499-8ijbesl8	7	4	also	also	RB
cord-313499-8ijbesl8	7	5	evaluated	evaluate	VBN
cord-313499-8ijbesl8	7	6	and	and	CC
cord-313499-8ijbesl8	7	7	included	include	VBD
cord-313499-8ijbesl8	7	8	healthy	healthy	JJ
cord-313499-8ijbesl8	7	9	healthcare	healthcare	NN
cord-313499-8ijbesl8	7	10	staff	staff	NN
cord-313499-8ijbesl8	7	11	and	and	CC
cord-313499-8ijbesl8	7	12	patients	patient	NNS
cord-313499-8ijbesl8	7	13	with	with	IN
cord-313499-8ijbesl8	7	14	a	a	DT
cord-313499-8ijbesl8	7	15	variety	variety	NN
cord-313499-8ijbesl8	7	16	of	of	IN
cord-313499-8ijbesl8	7	17	diseases	disease	NNS
cord-313499-8ijbesl8	7	18	from	from	IN
cord-313499-8ijbesl8	7	19	bacterial	bacterial	JJ
cord-313499-8ijbesl8	7	20	pneumonia	pneumonia	NN
cord-313499-8ijbesl8	7	21	to	to	IN
cord-313499-8ijbesl8	7	22	lung	lung	NN
cord-313499-8ijbesl8	7	23	cancer	cancer	NN
cord-313499-8ijbesl8	7	24	.	.	.
cord-313499-8ijbesl8	8	1	Serological	serological	JJ
cord-313499-8ijbesl8	8	2	testing	testing	NN
cord-313499-8ijbesl8	8	3	consisted	consist	VBD
cord-313499-8ijbesl8	8	4	of	of	IN
cord-313499-8ijbesl8	8	5	an	an	DT
cord-313499-8ijbesl8	8	6	enzyme	enzyme	NN
cord-313499-8ijbesl8	8	7	linked	link	VBN
cord-313499-8ijbesl8	8	8	immunosorbent	immunosorbent	JJ
cord-313499-8ijbesl8	8	9	assay	assay	NN
cord-313499-8ijbesl8	8	10	designed	design	VBN
cord-313499-8ijbesl8	8	11	to	to	TO
cord-313499-8ijbesl8	8	12	detect	detect	VB
cord-313499-8ijbesl8	8	13	IgM	IgM	NNP
cord-313499-8ijbesl8	8	14	and	and	CC
cord-313499-8ijbesl8	8	15	IgG	IgG	NNP
cord-313499-8ijbesl8	8	16	antibodies	antibody	NNS
cord-313499-8ijbesl8	8	17	against	against	IN
cord-313499-8ijbesl8	8	18	the	the	DT
cord-313499-8ijbesl8	8	19	N	N	NNP
cord-313499-8ijbesl8	8	20	protein	protein	NN
cord-313499-8ijbesl8	8	21	of	of	IN
cord-313499-8ijbesl8	8	22	SARS	SARS	NNP
cord-313499-8ijbesl8	8	23	-	-	HYPH
cord-313499-8ijbesl8	8	24	CoV-2	CoV-2	NNP
cord-313499-8ijbesl8	8	25	.	.	.
cord-313499-8ijbesl8	9	1	Serial	serial	JJ
cord-313499-8ijbesl8	9	2	examination	examination	NN
cord-313499-8ijbesl8	9	3	of	of	IN
cord-313499-8ijbesl8	9	4	COVID-19	covid-19	JJ
cord-313499-8ijbesl8	9	5	patients	patient	NNS
cord-313499-8ijbesl8	9	6	resulted	result	VBD
cord-313499-8ijbesl8	9	7	in	in	IN
cord-313499-8ijbesl8	9	8	IgM	IgM	NNP
cord-313499-8ijbesl8	9	9	seroreactivity	seroreactivity	NN
cord-313499-8ijbesl8	9	10	by	by	IN
cord-313499-8ijbesl8	9	11	day	day	NN
cord-313499-8ijbesl8	9	12	4	4	CD
cord-313499-8ijbesl8	9	13	post	post	NN
cord-313499-8ijbesl8	9	14	symptom	symptom	NN
cord-313499-8ijbesl8	9	15	onset	onset	NN
cord-313499-8ijbesl8	9	16	,	,	,
cord-313499-8ijbesl8	9	17	which	which	WDT
cord-313499-8ijbesl8	9	18	peaked	peak	VBD
cord-313499-8ijbesl8	9	19	by	by	IN
cord-313499-8ijbesl8	9	20	day	day	NN
cord-313499-8ijbesl8	9	21	9	9	CD
cord-313499-8ijbesl8	9	22	.	.	.
cord-313499-8ijbesl8	10	1	In	in	IN
cord-313499-8ijbesl8	10	2	contrast	contrast	NN
cord-313499-8ijbesl8	10	3	,	,	,
cord-313499-8ijbesl8	10	4	IgG	IgG	NNP
cord-313499-8ijbesl8	10	5	sharply	sharply	RB
cord-313499-8ijbesl8	10	6	increased	increase	VBD
cord-313499-8ijbesl8	10	7	12	12	CD
cord-313499-8ijbesl8	10	8	days	day	NNS
cord-313499-8ijbesl8	10	9	after	after	IN
cord-313499-8ijbesl8	10	10	symptom	symptom	NN
cord-313499-8ijbesl8	10	11	onset	onset	NN
cord-313499-8ijbesl8	10	12	;	;	:
cord-313499-8ijbesl8	10	13	all	all	DT
cord-313499-8ijbesl8	10	14	NAT	NAT	NNP
cord-313499-8ijbesl8	10	15	positive	positive	JJ
cord-313499-8ijbesl8	10	16	patients	patient	NNS
cord-313499-8ijbesl8	10	17	were	be	VBD
cord-313499-8ijbesl8	10	18	positive	positive	JJ
cord-313499-8ijbesl8	10	19	for	for	IN
cord-313499-8ijbesl8	10	20	IgG	IgG	NNP
cord-313499-8ijbesl8	11	1	30	30	CD
cord-313499-8ijbesl8	11	2	days	day	NNS
cord-313499-8ijbesl8	11	3	post	post	VBP
cord-313499-8ijbesl8	11	4	symptom	symptom	NN
cord-313499-8ijbesl8	11	5	onset	onset	NN
cord-313499-8ijbesl8	11	6	.	.	.
cord-313499-8ijbesl8	12	1	In	in	IN
cord-313499-8ijbesl8	12	2	patients	patient	NNS
cord-313499-8ijbesl8	12	3	with	with	IN
cord-313499-8ijbesl8	12	4	suspected	suspect	VBN
cord-313499-8ijbesl8	12	5	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	12	6	who	who	WP
cord-313499-8ijbesl8	12	7	tested	test	VBD
cord-313499-8ijbesl8	12	8	NAT	NAT	NNP
cord-313499-8ijbesl8	12	9	negative	negative	JJ
cord-313499-8ijbesl8	12	10	,	,	,
cord-313499-8ijbesl8	12	11	IgM	IgM	NNP
cord-313499-8ijbesl8	12	12	antibodies	antibody	NNS
cord-313499-8ijbesl8	12	13	were	be	VBD
cord-313499-8ijbesl8	12	14	detected	detect	VBN
cord-313499-8ijbesl8	12	15	in	in	IN
cord-313499-8ijbesl8	12	16	87.5	87.5	CD
cord-313499-8ijbesl8	12	17	%	%	NN
cord-313499-8ijbesl8	12	18	and	and	CC
cord-313499-8ijbesl8	12	19	IgG	IgG	NNP
cord-313499-8ijbesl8	12	20	was	be	VBD
cord-313499-8ijbesl8	12	21	present	present	JJ
cord-313499-8ijbesl8	12	22	in	in	IN
cord-313499-8ijbesl8	12	23	70.8	70.8	CD
cord-313499-8ijbesl8	12	24	%	%	NN
cord-313499-8ijbesl8	12	25	.	.	.
cord-313499-8ijbesl8	13	1	In	in	IN
cord-313499-8ijbesl8	13	2	contrast	contrast	NN
cord-313499-8ijbesl8	13	3	,	,	,
cord-313499-8ijbesl8	13	4	only	only	RB
cord-313499-8ijbesl8	13	5	3	3	CD
cord-313499-8ijbesl8	13	6	individuals	individual	NNS
cord-313499-8ijbesl8	13	7	in	in	IN
cord-313499-8ijbesl8	13	8	the	the	DT
cord-313499-8ijbesl8	13	9	control	control	NN
cord-313499-8ijbesl8	13	10	group	group	NN
cord-313499-8ijbesl8	13	11	tested	test	VBD
cord-313499-8ijbesl8	13	12	positive	positive	JJ
cord-313499-8ijbesl8	13	13	for	for	IN
cord-313499-8ijbesl8	13	14	IgG	IgG	NNP
cord-313499-8ijbesl8	13	15	but	but	CC
cord-313499-8ijbesl8	13	16	IgM	IgM	NNP
cord-313499-8ijbesl8	13	17	positivity	positivity	NNP
cord-313499-8ijbesl8	13	18	was	be	VBD
cord-313499-8ijbesl8	13	19	not	not	RB
cord-313499-8ijbesl8	13	20	observed	observe	VBN
cord-313499-8ijbesl8	13	21	.	.	.
cord-313499-8ijbesl8	14	1	The	the	DT
cord-313499-8ijbesl8	14	2	authors	author	NNS
cord-313499-8ijbesl8	14	3	calculated	calculate	VBD
cord-313499-8ijbesl8	14	4	a	a	DT
cord-313499-8ijbesl8	14	5	sensitivity	sensitivity	NN
cord-313499-8ijbesl8	14	6	for	for	IN
cord-313499-8ijbesl8	14	7	diagnosis	diagnosis	NN
cord-313499-8ijbesl8	14	8	of	of	IN
cord-313499-8ijbesl8	14	9	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	14	10	using	use	VBG
cord-313499-8ijbesl8	14	11	IgM	IgM	NNP
cord-313499-8ijbesl8	14	12	of	of	IN
cord-313499-8ijbesl8	14	13	77.3	77.3	CD
cord-313499-8ijbesl8	14	14	%	%	NN
cord-313499-8ijbesl8	14	15	and	and	CC
cord-313499-8ijbesl8	14	16	a	a	DT
cord-313499-8ijbesl8	14	17	specificity	specificity	NN
cord-313499-8ijbesl8	14	18	of	of	IN
cord-313499-8ijbesl8	14	19	100	100	CD
cord-313499-8ijbesl8	14	20	%	%	NN
cord-313499-8ijbesl8	14	21	while	while	IN
cord-313499-8ijbesl8	14	22	for	for	IN
cord-313499-8ijbesl8	14	23	IgG	igg	NN
cord-313499-8ijbesl8	14	24	the	the	DT
cord-313499-8ijbesl8	14	25	sensitivity	sensitivity	NN
cord-313499-8ijbesl8	14	26	was	be	VBD
cord-313499-8ijbesl8	14	27	higher	high	JJR
cord-313499-8ijbesl8	14	28	at	at	IN
cord-313499-8ijbesl8	14	29	83.3	83.3	CD
cord-313499-8ijbesl8	14	30	%	%	NN
cord-313499-8ijbesl8	14	31	and	and	CC
cord-313499-8ijbesl8	14	32	the	the	DT
cord-313499-8ijbesl8	14	33	specificity	specificity	NN
cord-313499-8ijbesl8	14	34	was	be	VBD
cord-313499-8ijbesl8	14	35	95	95	CD
cord-313499-8ijbesl8	14	36	%	%	NN
cord-313499-8ijbesl8	14	37	.	.	.
cord-313499-8ijbesl8	15	1	This	this	DT
cord-313499-8ijbesl8	15	2	article	article	NN
cord-313499-8ijbesl8	15	3	highlights	highlight	VBZ
cord-313499-8ijbesl8	15	4	a	a	DT
cord-313499-8ijbesl8	15	5	fundamental	fundamental	JJ
cord-313499-8ijbesl8	15	6	challenge	challenge	NN
cord-313499-8ijbesl8	15	7	clinicians	clinician	NNS
cord-313499-8ijbesl8	15	8	face	face	VBP
cord-313499-8ijbesl8	16	1	when	when	WRB
cord-313499-8ijbesl8	16	2	patients	patient	NNS
cord-313499-8ijbesl8	16	3	present	present	JJ
cord-313499-8ijbesl8	16	4	with	with	IN
cord-313499-8ijbesl8	16	5	COVID-19	covid-19	JJ
cord-313499-8ijbesl8	16	6	symptoms	symptom	NNS
cord-313499-8ijbesl8	16	7	yet	yet	RB
cord-313499-8ijbesl8	16	8	are	be	VBP
cord-313499-8ijbesl8	16	9	NAT	NAT	NNP
cord-313499-8ijbesl8	16	10	negative	negative	JJ
cord-313499-8ijbesl8	16	11	,	,	,
cord-313499-8ijbesl8	16	12	sometimes	sometimes	RB
cord-313499-8ijbesl8	16	13	even	even	RB
cord-313499-8ijbesl8	16	14	with	with	IN
cord-313499-8ijbesl8	16	15	repeated	repeat	VBN
cord-313499-8ijbesl8	16	16	NAT	NAT	NNP
cord-313499-8ijbesl8	16	17	testing	testing	NN
cord-313499-8ijbesl8	16	18	.	.	.
cord-313499-8ijbesl8	17	1	As	as	IN
cord-313499-8ijbesl8	17	2	laboratory	laboratory	NN
cord-313499-8ijbesl8	17	3	medicine	medicine	NN
cord-313499-8ijbesl8	17	4	physicians	physician	NNS
cord-313499-8ijbesl8	17	5	,	,	,
cord-313499-8ijbesl8	17	6	we	-PRON-	PRP
cord-313499-8ijbesl8	17	7	understand	understand	VBP
cord-313499-8ijbesl8	17	8	this	this	DT
cord-313499-8ijbesl8	17	9	dilemma	dilemma	NN
cord-313499-8ijbesl8	17	10	and	and	CC
cord-313499-8ijbesl8	17	11	know	know	VB
cord-313499-8ijbesl8	17	12	that	that	IN
cord-313499-8ijbesl8	17	13	preanalytical	preanalytical	JJ
cord-313499-8ijbesl8	17	14	variables	variable	NNS
cord-313499-8ijbesl8	17	15	can	can	MD
cord-313499-8ijbesl8	17	16	frequently	frequently	RB
cord-313499-8ijbesl8	17	17	underlie	underlie	VB
cord-313499-8ijbesl8	17	18	inaccurate	inaccurate	JJ
cord-313499-8ijbesl8	17	19	results	result	NNS
cord-313499-8ijbesl8	17	20	for	for	IN
cord-313499-8ijbesl8	17	21	all	all	DT
cord-313499-8ijbesl8	17	22	tests	test	NNS
cord-313499-8ijbesl8	17	23	.	.	.
cord-313499-8ijbesl8	18	1	In	in	IN
cord-313499-8ijbesl8	18	2	the	the	DT
cord-313499-8ijbesl8	18	3	case	case	NN
cord-313499-8ijbesl8	18	4	of	of	IN
cord-313499-8ijbesl8	18	5	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	18	6	NAT	NAT	NNP
cord-313499-8ijbesl8	18	7	,	,	,
cord-313499-8ijbesl8	18	8	preanalytical	preanalytical	JJ
cord-313499-8ijbesl8	18	9	variables	variable	NNS
cord-313499-8ijbesl8	18	10	can	can	MD
cord-313499-8ijbesl8	18	11	include	include	VB
cord-313499-8ijbesl8	18	12	,	,	,
cord-313499-8ijbesl8	18	13	but	but	CC
cord-313499-8ijbesl8	18	14	are	be	VBP
cord-313499-8ijbesl8	18	15	not	not	RB
cord-313499-8ijbesl8	18	16	limited	limited	JJ
cord-313499-8ijbesl8	18	17	to	to	IN
cord-313499-8ijbesl8	18	18	,	,	,
cord-313499-8ijbesl8	18	19	inconsistency	inconsistency	NN
cord-313499-8ijbesl8	18	20	in	in	IN
cord-313499-8ijbesl8	18	21	obtaining	obtain	VBG
cord-313499-8ijbesl8	18	22	nasopharyngeal	nasopharyngeal	JJ
cord-313499-8ijbesl8	18	23	swabs	swab	NNS
cord-313499-8ijbesl8	18	24	,	,	,
cord-313499-8ijbesl8	18	25	the	the	DT
cord-313499-8ijbesl8	18	26	different	different	JJ
cord-313499-8ijbesl8	18	27	swabs	swab	NNS
cord-313499-8ijbesl8	18	28	and	and	CC
cord-313499-8ijbesl8	18	29	transport	transport	NN
cord-313499-8ijbesl8	18	30	media	medium	NNS
cord-313499-8ijbesl8	18	31	used	use	VBN
cord-313499-8ijbesl8	18	32	,	,	,
cord-313499-8ijbesl8	18	33	time	time	NN
cord-313499-8ijbesl8	18	34	and	and	CC
cord-313499-8ijbesl8	18	35	temperature	temperature	NN
cord-313499-8ijbesl8	18	36	of	of	IN
cord-313499-8ijbesl8	18	37	specimen	specimen	JJ
cord-313499-8ijbesl8	18	38	transport	transport	NN
cord-313499-8ijbesl8	18	39	,	,	,
cord-313499-8ijbesl8	18	40	and	and	CC
cord-313499-8ijbesl8	18	41	possible	possible	JJ
cord-313499-8ijbesl8	18	42	inhibitors	inhibitor	NNS
cord-313499-8ijbesl8	18	43	to	to	IN
cord-313499-8ijbesl8	18	44	nucleic	nucleic	JJ
cord-313499-8ijbesl8	18	45	acid	acid	NN
cord-313499-8ijbesl8	18	46	detection	detection	NN
cord-313499-8ijbesl8	18	47	in	in	IN
cord-313499-8ijbesl8	18	48	the	the	DT
cord-313499-8ijbesl8	18	49	sample	sample	NN
cord-313499-8ijbesl8	18	50	.	.	.
cord-313499-8ijbesl8	19	1	In	in	IN
cord-313499-8ijbesl8	19	2	addition	addition	NN
cord-313499-8ijbesl8	19	3	,	,	,
cord-313499-8ijbesl8	19	4	there	there	EX
cord-313499-8ijbesl8	19	5	are	be	VBP
cord-313499-8ijbesl8	19	6	likely	likely	JJ
cord-313499-8ijbesl8	19	7	analytical	analytical	JJ
cord-313499-8ijbesl8	19	8	variables	variable	NNS
cord-313499-8ijbesl8	19	9	that	that	WDT
cord-313499-8ijbesl8	19	10	can	can	MD
cord-313499-8ijbesl8	19	11	be	be	VB
cord-313499-8ijbesl8	19	12	explained	explain	VBN
cord-313499-8ijbesl8	19	13	by	by	IN
cord-313499-8ijbesl8	19	14	inherent	inherent	JJ
cord-313499-8ijbesl8	19	15	differences	difference	NNS
cord-313499-8ijbesl8	19	16	in	in	IN
cord-313499-8ijbesl8	19	17	the	the	DT
cord-313499-8ijbesl8	19	18	ability	ability	NN
cord-313499-8ijbesl8	19	19	of	of	IN
cord-313499-8ijbesl8	19	20	various	various	JJ
cord-313499-8ijbesl8	19	21	NAT	NAT	NNP
cord-313499-8ijbesl8	19	22	platforms	platform	NNS
cord-313499-8ijbesl8	19	23	to	to	TO
cord-313499-8ijbesl8	19	24	detect	detect	VB
cord-313499-8ijbesl8	19	25	SARS	SARS	NNP
cord-313499-8ijbesl8	19	26	-	-	HYPH
cord-313499-8ijbesl8	19	27	CoV-2	CoV-2	NNP
cord-313499-8ijbesl8	19	28	.	.	.
cord-313499-8ijbesl8	20	1	Importantly	importantly	RB
cord-313499-8ijbesl8	20	2	,	,	,
cord-313499-8ijbesl8	20	3	a	a	DT
cord-313499-8ijbesl8	20	4	lack	lack	NN
cord-313499-8ijbesl8	20	5	of	of	IN
cord-313499-8ijbesl8	20	6	understanding	understanding	NN
cord-313499-8ijbesl8	20	7	regarding	regard	VBG
cord-313499-8ijbesl8	20	8	the	the	DT
cord-313499-8ijbesl8	20	9	frequency	frequency	NN
cord-313499-8ijbesl8	20	10	and	and	CC
cord-313499-8ijbesl8	20	11	variability	variability	NN
cord-313499-8ijbesl8	20	12	of	of	IN
cord-313499-8ijbesl8	20	13	viral	viral	JJ
cord-313499-8ijbesl8	20	14	shedding	shedding	NN
cord-313499-8ijbesl8	20	15	in	in	IN
cord-313499-8ijbesl8	20	16	patients	patient	NNS
cord-313499-8ijbesl8	20	17	with	with	IN
cord-313499-8ijbesl8	20	18	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	20	19	also	also	RB
cord-313499-8ijbesl8	20	20	makes	make	VBZ
cord-313499-8ijbesl8	20	21	it	-PRON-	PRP
cord-313499-8ijbesl8	20	22	difficult	difficult	JJ
cord-313499-8ijbesl8	20	23	to	to	TO
cord-313499-8ijbesl8	20	24	decipher	decipher	VB
cord-313499-8ijbesl8	20	25	how	how	WRB
cord-313499-8ijbesl8	20	26	these	these	DT
cord-313499-8ijbesl8	20	27	variables	variable	NNS
cord-313499-8ijbesl8	20	28	may	may	MD
cord-313499-8ijbesl8	20	29	also	also	RB
cord-313499-8ijbesl8	20	30	contribute	contribute	VB
cord-313499-8ijbesl8	20	31	to	to	IN
cord-313499-8ijbesl8	20	32	false	false	JJ
cord-313499-8ijbesl8	20	33	negative	negative	JJ
cord-313499-8ijbesl8	20	34	results	result	NNS
cord-313499-8ijbesl8	20	35	.	.	.
cord-313499-8ijbesl8	21	1	Although	although	IN
cord-313499-8ijbesl8	21	2	NAT	NAT	NNP
cord-313499-8ijbesl8	21	3	diagnostic	diagnostic	JJ
cord-313499-8ijbesl8	21	4	testing	testing	NN
cord-313499-8ijbesl8	21	5	continues	continue	VBZ
cord-313499-8ijbesl8	21	6	to	to	TO
cord-313499-8ijbesl8	21	7	become	become	VB
cord-313499-8ijbesl8	21	8	a	a	DT
cord-313499-8ijbesl8	21	9	common	common	JJ
cord-313499-8ijbesl8	21	10	approach	approach	NN
cord-313499-8ijbesl8	21	11	to	to	IN
cord-313499-8ijbesl8	21	12	diagnosing	diagnose	VBG
cord-313499-8ijbesl8	21	13	infectious	infectious	JJ
cord-313499-8ijbesl8	21	14	diseases	disease	NNS
cord-313499-8ijbesl8	21	15	in	in	IN
cord-313499-8ijbesl8	21	16	general	general	JJ
cord-313499-8ijbesl8	21	17	,	,	,
cord-313499-8ijbesl8	21	18	serology	serology	NN
cord-313499-8ijbesl8	21	19	preceded	precede	VBD
cord-313499-8ijbesl8	21	20	NAT	NAT	NNP
cord-313499-8ijbesl8	21	21	testing	testing	NN
cord-313499-8ijbesl8	21	22	by	by	IN
cord-313499-8ijbesl8	21	23	many	many	JJ
cord-313499-8ijbesl8	21	24	decades	decade	NNS
cord-313499-8ijbesl8	21	25	and	and	CC
cord-313499-8ijbesl8	21	26	still	still	RB
cord-313499-8ijbesl8	21	27	serves	serve	VBZ
cord-313499-8ijbesl8	21	28	as	as	IN
cord-313499-8ijbesl8	21	29	the	the	DT
cord-313499-8ijbesl8	21	30	primary	primary	JJ
cord-313499-8ijbesl8	21	31	diagnostic	diagnostic	JJ
cord-313499-8ijbesl8	21	32	tool	tool	NN
cord-313499-8ijbesl8	21	33	for	for	IN
cord-313499-8ijbesl8	21	34	many	many	JJ
cord-313499-8ijbesl8	21	35	diseases	disease	NNS
cord-313499-8ijbesl8	21	36	,	,	,
cord-313499-8ijbesl8	21	37	including	include	VBG
cord-313499-8ijbesl8	21	38	HIV	HIV	NNP
cord-313499-8ijbesl8	21	39	,	,	,
cord-313499-8ijbesl8	21	40	hepatitis	hepatitis	NN
cord-313499-8ijbesl8	21	41	B	B	NNP
cord-313499-8ijbesl8	21	42	and	and	CC
cord-313499-8ijbesl8	21	43	C.	C.	NNP
cord-313499-8ijbesl8	22	1	This	this	DT
cord-313499-8ijbesl8	22	2	is	be	VBZ
cord-313499-8ijbesl8	22	3	in	in	IN
cord-313499-8ijbesl8	22	4	part	part	NN
cord-313499-8ijbesl8	22	5	due	due	JJ
cord-313499-8ijbesl8	22	6	to	to	TO
cord-313499-8ijbesl8	22	7	cost	cost	VB
cord-313499-8ijbesl8	22	8	and	and	CC
cord-313499-8ijbesl8	22	9	because	because	IN
cord-313499-8ijbesl8	22	10	NAT	NAT	NNP
cord-313499-8ijbesl8	22	11	testing	testing	NN
cord-313499-8ijbesl8	22	12	remains	remain	VBZ
cord-313499-8ijbesl8	22	13	less	less	RBR
cord-313499-8ijbesl8	22	14	sensitive	sensitive	JJ
cord-313499-8ijbesl8	22	15	for	for	IN
cord-313499-8ijbesl8	22	16	some	some	DT
cord-313499-8ijbesl8	22	17	pathogens	pathogen	NNS
cord-313499-8ijbesl8	22	18	,	,	,
cord-313499-8ijbesl8	22	19	as	as	IN
cord-313499-8ijbesl8	22	20	occurs	occur	VBZ
cord-313499-8ijbesl8	22	21	in	in	IN
cord-313499-8ijbesl8	22	22	syphilis	syphili	NNS
cord-313499-8ijbesl8	22	23	.	.	.
cord-313499-8ijbesl8	23	1	Different	different	JJ
cord-313499-8ijbesl8	23	2	strategies	strategy	NNS
cord-313499-8ijbesl8	23	3	are	be	VBP
cord-313499-8ijbesl8	23	4	used	use	VBN
cord-313499-8ijbesl8	23	5	for	for	IN
cord-313499-8ijbesl8	23	6	diagnosis	diagnosis	NN
cord-313499-8ijbesl8	23	7	by	by	IN
cord-313499-8ijbesl8	23	8	serological	serological	JJ
cord-313499-8ijbesl8	23	9	methods	method	NNS
cord-313499-8ijbesl8	23	10	,	,	,
cord-313499-8ijbesl8	23	11	for	for	IN
cord-313499-8ijbesl8	23	12	example	example	NN
cord-313499-8ijbesl8	23	13	,	,	,
cord-313499-8ijbesl8	23	14	in	in	IN
cord-313499-8ijbesl8	23	15	leptospirosis	leptospirosis	NN
cord-313499-8ijbesl8	23	16	a	a	DT
cord-313499-8ijbesl8	23	17	fourfold	fourfold	JJ
cord-313499-8ijbesl8	23	18	increase	increase	NN
cord-313499-8ijbesl8	23	19	in	in	IN
cord-313499-8ijbesl8	23	20	IgG	igg	NN
cord-313499-8ijbesl8	23	21	in	in	IN
cord-313499-8ijbesl8	23	22	convalescent	convalescent	JJ
cord-313499-8ijbesl8	23	23	versus	versus	IN
cord-313499-8ijbesl8	23	24	acute	acute	JJ
cord-313499-8ijbesl8	23	25	serum	serum	NN
cord-313499-8ijbesl8	23	26	frequently	frequently	RB
cord-313499-8ijbesl8	23	27	helps	help	VBZ
cord-313499-8ijbesl8	23	28	determine	determine	VB
cord-313499-8ijbesl8	23	29	the	the	DT
cord-313499-8ijbesl8	23	30	diagnosis	diagnosis	NN
cord-313499-8ijbesl8	23	31	.	.	.
cord-313499-8ijbesl8	24	1	In	in	IN
cord-313499-8ijbesl8	24	2	contrast	contrast	NN
cord-313499-8ijbesl8	24	3	,	,	,
cord-313499-8ijbesl8	24	4	to	to	TO
cord-313499-8ijbesl8	24	5	diagnose	diagnose	VB
cord-313499-8ijbesl8	24	6	dengue	dengue	NN
cord-313499-8ijbesl8	24	7	or	or	CC
cord-313499-8ijbesl8	24	8	American	american	JJ
cord-313499-8ijbesl8	24	9	trypanosomiasis	trypanosomiasis	NN
cord-313499-8ijbesl8	24	10	,	,	,
cord-313499-8ijbesl8	24	11	NAT	NAT	NNP
cord-313499-8ijbesl8	24	12	is	be	VBZ
cord-313499-8ijbesl8	24	13	most	most	RBS
cord-313499-8ijbesl8	24	14	likely	likely	JJ
cord-313499-8ijbesl8	24	15	to	to	TO
cord-313499-8ijbesl8	24	16	be	be	VB
cord-313499-8ijbesl8	24	17	informative	informative	JJ
cord-313499-8ijbesl8	24	18	during	during	IN
cord-313499-8ijbesl8	24	19	acute	acute	JJ
cord-313499-8ijbesl8	24	20	disease	disease	NN
cord-313499-8ijbesl8	24	21	while	while	IN
cord-313499-8ijbesl8	24	22	serology	serology	NN
cord-313499-8ijbesl8	24	23	is	be	VBZ
cord-313499-8ijbesl8	24	24	helpful	helpful	JJ
cord-313499-8ijbesl8	24	25	at	at	IN
cord-313499-8ijbesl8	24	26	later	later	JJ
cord-313499-8ijbesl8	24	27	stages	stage	NNS
cord-313499-8ijbesl8	24	28	.	.	.
cord-313499-8ijbesl8	25	1	In	in	IN
cord-313499-8ijbesl8	25	2	the	the	DT
cord-313499-8ijbesl8	25	3	case	case	NN
cord-313499-8ijbesl8	25	4	of	of	IN
cord-313499-8ijbesl8	25	5	the	the	DT
cord-313499-8ijbesl8	25	6	2003	2003	CD
cord-313499-8ijbesl8	25	7	-	-	SYM
cord-313499-8ijbesl8	25	8	04	04	CD
cord-313499-8ijbesl8	25	9	SARS	SARS	NNP
cord-313499-8ijbesl8	25	10	-	-	HYPH
cord-313499-8ijbesl8	25	11	CoV	CoV	NNP
cord-313499-8ijbesl8	25	12	outbreak	outbreak	NN
cord-313499-8ijbesl8	25	13	,	,	,
cord-313499-8ijbesl8	25	14	serology	serology	NN
cord-313499-8ijbesl8	25	15	was	be	VBD
cord-313499-8ijbesl8	25	16	primarily	primarily	RB
cord-313499-8ijbesl8	25	17	an	an	DT
cord-313499-8ijbesl8	25	18	epidemiological	epidemiological	JJ
cord-313499-8ijbesl8	25	19	tool	tool	NN
cord-313499-8ijbesl8	25	20	that	that	WDT
cord-313499-8ijbesl8	25	21	could	could	MD
cord-313499-8ijbesl8	25	22	help	help	VB
cord-313499-8ijbesl8	25	23	determine	determine	VB
cord-313499-8ijbesl8	25	24	the	the	DT
cord-313499-8ijbesl8	25	25	number	number	NN
cord-313499-8ijbesl8	25	26	of	of	IN
cord-313499-8ijbesl8	25	27	silent	silent	JJ
cord-313499-8ijbesl8	25	28	infections	infection	NNS
cord-313499-8ijbesl8	25	29	,	,	,
cord-313499-8ijbesl8	25	30	how	how	WRB
cord-313499-8ijbesl8	25	31	the	the	DT
cord-313499-8ijbesl8	25	32	disease	disease	NN
cord-313499-8ijbesl8	25	33	progressed	progress	VBD
cord-313499-8ijbesl8	25	34	,	,	,
cord-313499-8ijbesl8	25	35	defining	define	VBG
cord-313499-8ijbesl8	25	36	transmission	transmission	NN
cord-313499-8ijbesl8	25	37	patterns	pattern	NNS
cord-313499-8ijbesl8	25	38	,	,	,
cord-313499-8ijbesl8	25	39	and	and	CC
cord-313499-8ijbesl8	25	40	the	the	DT
cord-313499-8ijbesl8	25	41	possible	possible	JJ
cord-313499-8ijbesl8	25	42	origin	origin	NN
cord-313499-8ijbesl8	25	43	of	of	IN
cord-313499-8ijbesl8	25	44	the	the	DT
cord-313499-8ijbesl8	25	45	virus	virus	NN
cord-313499-8ijbesl8	25	46	itself	-PRON-	PRP
cord-313499-8ijbesl8	25	47	2	2	CD
cord-313499-8ijbesl8	25	48	.	.	.
cord-313499-8ijbesl8	26	1	In	in	IN
cord-313499-8ijbesl8	26	2	the	the	DT
cord-313499-8ijbesl8	26	3	case	case	NN
cord-313499-8ijbesl8	26	4	of	of	IN
cord-313499-8ijbesl8	26	5	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	26	6	,	,	,
cord-313499-8ijbesl8	26	7	while	while	IN
cord-313499-8ijbesl8	26	8	serological	serological	JJ
cord-313499-8ijbesl8	26	9	analysis	analysis	NN
cord-313499-8ijbesl8	26	10	may	may	MD
cord-313499-8ijbesl8	26	11	be	be	VB
cord-313499-8ijbesl8	26	12	helpful	helpful	JJ
cord-313499-8ijbesl8	26	13	in	in	IN
cord-313499-8ijbesl8	26	14	examining	examine	VBG
cord-313499-8ijbesl8	26	15	exposure	exposure	NN
cord-313499-8ijbesl8	26	16	,	,	,
cord-313499-8ijbesl8	26	17	such	such	JJ
cord-313499-8ijbesl8	26	18	approaches	approach	NNS
cord-313499-8ijbesl8	26	19	can	can	MD
cord-313499-8ijbesl8	26	20	be	be	VB
cord-313499-8ijbesl8	26	21	more	more	RBR
cord-313499-8ijbesl8	26	22	challenging	challenging	JJ
cord-313499-8ijbesl8	26	23	to	to	TO
cord-313499-8ijbesl8	26	24	interpret	interpret	VB
cord-313499-8ijbesl8	26	25	in	in	IN
cord-313499-8ijbesl8	26	26	patients	patient	NNS
cord-313499-8ijbesl8	26	27	with	with	IN
cord-313499-8ijbesl8	26	28	acute	acute	JJ
cord-313499-8ijbesl8	26	29	infection	infection	NN
cord-313499-8ijbesl8	26	30	.	.	.
cord-313499-8ijbesl8	27	1	Significant	significant	JJ
cord-313499-8ijbesl8	27	2	variability	variability	NN
cord-313499-8ijbesl8	27	3	in	in	IN
cord-313499-8ijbesl8	27	4	the	the	DT
cord-313499-8ijbesl8	27	5	kinetics	kinetic	NNS
cord-313499-8ijbesl8	27	6	and	and	CC
cord-313499-8ijbesl8	27	7	magnitude	magnitude	NN
cord-313499-8ijbesl8	27	8	of	of	IN
cord-313499-8ijbesl8	27	9	the	the	DT
cord-313499-8ijbesl8	27	10	serological	serological	JJ
cord-313499-8ijbesl8	27	11	response	response	NN
cord-313499-8ijbesl8	27	12	,	,	,
cord-313499-8ijbesl8	27	13	especially	especially	RB
cord-313499-8ijbesl8	27	14	early	early	RB
cord-313499-8ijbesl8	27	15	in	in	IN
cord-313499-8ijbesl8	27	16	infection	infection	NN
cord-313499-8ijbesl8	27	17	,	,	,
cord-313499-8ijbesl8	27	18	could	could	MD
cord-313499-8ijbesl8	27	19	contribute	contribute	VB
cord-313499-8ijbesl8	27	20	to	to	IN
cord-313499-8ijbesl8	27	21	false	false	JJ
cord-313499-8ijbesl8	27	22	negative	negative	JJ
cord-313499-8ijbesl8	27	23	results	result	NNS
cord-313499-8ijbesl8	27	24	.	.	.
cord-313499-8ijbesl8	28	1	In	in	IN
cord-313499-8ijbesl8	28	2	addition	addition	NN
cord-313499-8ijbesl8	28	3	,	,	,
cord-313499-8ijbesl8	28	4	while	while	IN
cord-313499-8ijbesl8	28	5	both	both	CC
cord-313499-8ijbesl8	28	6	NAT	NAT	NNP
cord-313499-8ijbesl8	28	7	and	and	CC
cord-313499-8ijbesl8	28	8	serological	serological	JJ
cord-313499-8ijbesl8	28	9	assays	assay	NNS
cord-313499-8ijbesl8	28	10	can	can	MD
cord-313499-8ijbesl8	28	11	suffer	suffer	VB
cord-313499-8ijbesl8	28	12	from	from	IN
cord-313499-8ijbesl8	28	13	inadequate	inadequate	JJ
cord-313499-8ijbesl8	28	14	analytical	analytical	JJ
cord-313499-8ijbesl8	28	15	sensitivity	sensitivity	NN
cord-313499-8ijbesl8	28	16	,	,	,
cord-313499-8ijbesl8	28	17	a	a	DT
cord-313499-8ijbesl8	28	18	broader	broad	JJR
cord-313499-8ijbesl8	28	19	range	range	NN
cord-313499-8ijbesl8	28	20	of	of	IN
cord-313499-8ijbesl8	28	21	factors	factor	NNS
cord-313499-8ijbesl8	28	22	can	can	MD
cord-313499-8ijbesl8	28	23	influence	influence	VB
cord-313499-8ijbesl8	28	24	the	the	DT
cord-313499-8ijbesl8	28	25	sensitivity	sensitivity	NN
cord-313499-8ijbesl8	28	26	and	and	CC
cord-313499-8ijbesl8	28	27	specificity	specificity	NN
cord-313499-8ijbesl8	28	28	of	of	IN
cord-313499-8ijbesl8	28	29	serological	serological	JJ
cord-313499-8ijbesl8	28	30	tests	test	NNS
cord-313499-8ijbesl8	28	31	,	,	,
cord-313499-8ijbesl8	28	32	including	include	VBG
cord-313499-8ijbesl8	28	33	a	a	DT
cord-313499-8ijbesl8	28	34	variety	variety	NN
cord-313499-8ijbesl8	28	35	of	of	IN
cord-313499-8ijbesl8	28	36	platform	platform	NN
cord-313499-8ijbesl8	28	37	design	design	NN
cord-313499-8ijbesl8	28	38	considerations	consideration	NNS
cord-313499-8ijbesl8	28	39	such	such	JJ
cord-313499-8ijbesl8	28	40	as	as	IN
cord-313499-8ijbesl8	28	41	the	the	DT
cord-313499-8ijbesl8	28	42	antigen	antigen	NN
cord-313499-8ijbesl8	28	43	coating	coating	NN
cord-313499-8ijbesl8	28	44	density	density	NN
cord-313499-8ijbesl8	28	45	,	,	,
cord-313499-8ijbesl8	28	46	dilution	dilution	NN
cord-313499-8ijbesl8	28	47	matrix	matrix	NN
cord-313499-8ijbesl8	28	48	considerations	consideration	NNS
cord-313499-8ijbesl8	28	49	and	and	CC
cord-313499-8ijbesl8	28	50	the	the	DT
cord-313499-8ijbesl8	28	51	actual	actual	JJ
cord-313499-8ijbesl8	28	52	serum	serum	NN
cord-313499-8ijbesl8	28	53	dilution	dilution	NN
cord-313499-8ijbesl8	28	54	employed	employ	VBN
cord-313499-8ijbesl8	28	55	.	.	.
cord-313499-8ijbesl8	29	1	Challenges	challenge	NNS
cord-313499-8ijbesl8	29	2	with	with	IN
cord-313499-8ijbesl8	29	3	false	false	JJ
cord-313499-8ijbesl8	29	4	positives	positive	NNS
cord-313499-8ijbesl8	29	5	can	can	MD
cord-313499-8ijbesl8	29	6	also	also	RB
cord-313499-8ijbesl8	29	7	limit	limit	VB
cord-313499-8ijbesl8	29	8	the	the	DT
cord-313499-8ijbesl8	29	9	value	value	NN
cord-313499-8ijbesl8	29	10	of	of	IN
cord-313499-8ijbesl8	29	11	serological	serological	JJ
cord-313499-8ijbesl8	29	12	tests	test	NNS
cord-313499-8ijbesl8	29	13	.	.	.
cord-313499-8ijbesl8	30	1	Cross	cross	NN
cord-313499-8ijbesl8	30	2	-	-	NN
cord-313499-8ijbesl8	30	3	reactivity	reactivity	NN
cord-313499-8ijbesl8	30	4	with	with	IN
cord-313499-8ijbesl8	30	5	other	other	JJ
cord-313499-8ijbesl8	30	6	strains	strain	NNS
cord-313499-8ijbesl8	30	7	of	of	IN
cord-313499-8ijbesl8	30	8	coronavirus	coronavirus	NN
cord-313499-8ijbesl8	30	9	2	2	CD
cord-313499-8ijbesl8	30	10	,	,	,
cord-313499-8ijbesl8	30	11	in	in	IN
cord-313499-8ijbesl8	30	12	addition	addition	NN
cord-313499-8ijbesl8	30	13	to	to	IN
cord-313499-8ijbesl8	30	14	other	other	JJ
cord-313499-8ijbesl8	30	15	pathogens	pathogen	NNS
cord-313499-8ijbesl8	30	16	altogether	altogether	RB
cord-313499-8ijbesl8	30	17	,	,	,
cord-313499-8ijbesl8	30	18	can	can	MD
cord-313499-8ijbesl8	30	19	limit	limit	VB
cord-313499-8ijbesl8	30	20	their	-PRON-	PRP$
cord-313499-8ijbesl8	30	21	accuracy	accuracy	NN
cord-313499-8ijbesl8	30	22	.	.	.
cord-313499-8ijbesl8	31	1	Consistent	consistent	JJ
cord-313499-8ijbesl8	31	2	with	with	IN
cord-313499-8ijbesl8	31	3	this	this	DT
cord-313499-8ijbesl8	31	4	,	,	,
cord-313499-8ijbesl8	31	5	during	during	IN
cord-313499-8ijbesl8	31	6	the	the	DT
cord-313499-8ijbesl8	31	7	2003	2003	CD
cord-313499-8ijbesl8	31	8	-	-	SYM
cord-313499-8ijbesl8	31	9	04	04	CD
cord-313499-8ijbesl8	31	10	SARS	SARS	NNP
cord-313499-8ijbesl8	31	11	-	-	HYPH
cord-313499-8ijbesl8	31	12	CoV	CoV	NNP
cord-313499-8ijbesl8	31	13	outbreak	outbreak	NN
cord-313499-8ijbesl8	31	14	,	,	,
cord-313499-8ijbesl8	31	15	various	various	JJ
cord-313499-8ijbesl8	31	16	serological	serological	JJ
cord-313499-8ijbesl8	31	17	assays	assay	NNS
cord-313499-8ijbesl8	31	18	demonstrated	demonstrate	VBD
cord-313499-8ijbesl8	31	19	cross	cross	NN
cord-313499-8ijbesl8	31	20	-	-	NN
cord-313499-8ijbesl8	31	21	reactivity	reactivity	NN
cord-313499-8ijbesl8	31	22	in	in	IN
cord-313499-8ijbesl8	31	23	assays	assay	NNS
cord-313499-8ijbesl8	31	24	that	that	WDT
cord-313499-8ijbesl8	31	25	used	use	VBD
cord-313499-8ijbesl8	31	26	whole	whole	JJ
cord-313499-8ijbesl8	31	27	virus	virus	NN
cord-313499-8ijbesl8	31	28	in	in	IN
cord-313499-8ijbesl8	31	29	addition	addition	NN
cord-313499-8ijbesl8	31	30	to	to	IN
cord-313499-8ijbesl8	31	31	the	the	DT
cord-313499-8ijbesl8	31	32	N	n	CD
cord-313499-8ijbesl8	31	33	protein	protein	NN
cord-313499-8ijbesl8	31	34	.	.	.
cord-313499-8ijbesl8	32	1	As	as	IN
cord-313499-8ijbesl8	32	2	a	a	DT
cord-313499-8ijbesl8	32	3	result	result	NN
cord-313499-8ijbesl8	32	4	,	,	,
cord-313499-8ijbesl8	32	5	false	false	JJ
cord-313499-8ijbesl8	32	6	positive	positive	JJ
cord-313499-8ijbesl8	32	7	serological	serological	JJ
cord-313499-8ijbesl8	32	8	results	result	NNS
cord-313499-8ijbesl8	32	9	,	,	,
cord-313499-8ijbesl8	32	10	which	which	WDT
cord-313499-8ijbesl8	32	11	can	can	MD
cord-313499-8ijbesl8	32	12	be	be	VB
cord-313499-8ijbesl8	32	13	particularly	particularly	RB
cord-313499-8ijbesl8	32	14	challenging	challenging	JJ
cord-313499-8ijbesl8	32	15	with	with	IN
cord-313499-8ijbesl8	32	16	IgM	IgM	NNP
cord-313499-8ijbesl8	32	17	antibodies	antibody	NNS
cord-313499-8ijbesl8	32	18	,	,	,
cord-313499-8ijbesl8	32	19	can	can	MD
cord-313499-8ijbesl8	32	20	make	make	VB
cord-313499-8ijbesl8	32	21	it	-PRON-	PRP
cord-313499-8ijbesl8	32	22	difficult	difficult	JJ
cord-313499-8ijbesl8	32	23	to	to	TO
cord-313499-8ijbesl8	32	24	accurately	accurately	RB
cord-313499-8ijbesl8	32	25	interpret	interpret	VB
cord-313499-8ijbesl8	32	26	findings	finding	NNS
cord-313499-8ijbesl8	32	27	.	.	.
cord-313499-8ijbesl8	33	1	Despite	despite	IN
cord-313499-8ijbesl8	33	2	these	these	DT
cord-313499-8ijbesl8	33	3	considerations	consideration	NNS
cord-313499-8ijbesl8	33	4	,	,	,
cord-313499-8ijbesl8	33	5	the	the	DT
cord-313499-8ijbesl8	33	6	results	result	NNS
cord-313499-8ijbesl8	33	7	of	of	IN
cord-313499-8ijbesl8	33	8	this	this	DT
cord-313499-8ijbesl8	33	9	manuscript	manuscript	NN
cord-313499-8ijbesl8	33	10	suggest	suggest	VBP
cord-313499-8ijbesl8	33	11	repeat	repeat	VB
cord-313499-8ijbesl8	33	12	serological	serological	JJ
cord-313499-8ijbesl8	33	13	testing	testing	NN
cord-313499-8ijbesl8	33	14	may	may	MD
cord-313499-8ijbesl8	33	15	be	be	VB
cord-313499-8ijbesl8	33	16	informative	informative	JJ
cord-313499-8ijbesl8	33	17	in	in	IN
cord-313499-8ijbesl8	33	18	the	the	DT
cord-313499-8ijbesl8	33	19	acute	acute	JJ
cord-313499-8ijbesl8	33	20	setting	setting	NN
cord-313499-8ijbesl8	33	21	,	,	,
cord-313499-8ijbesl8	33	22	especially	especially	RB
cord-313499-8ijbesl8	33	23	in	in	IN
cord-313499-8ijbesl8	33	24	patients	patient	NNS
cord-313499-8ijbesl8	33	25	who	who	WP
cord-313499-8ijbesl8	33	26	continue	continue	VBP
cord-313499-8ijbesl8	33	27	to	to	TO
cord-313499-8ijbesl8	33	28	follow	follow	VB
cord-313499-8ijbesl8	33	29	a	a	DT
cord-313499-8ijbesl8	33	30	COVID-19-like	COVID-19-like	NNP
cord-313499-8ijbesl8	33	31	disease	disease	NN
cord-313499-8ijbesl8	33	32	course	course	NN
cord-313499-8ijbesl8	33	33	despite	despite	IN
cord-313499-8ijbesl8	33	34	NAT	NAT	NNP
cord-313499-8ijbesl8	33	35	negativity	negativity	NN
cord-313499-8ijbesl8	33	36	.	.	.
cord-313499-8ijbesl8	34	1	The	the	DT
cord-313499-8ijbesl8	34	2	blood	blood	NN
cord-313499-8ijbesl8	34	3	donation	donation	NN
cord-313499-8ijbesl8	34	4	industry	industry	NN
cord-313499-8ijbesl8	34	5	has	have	VBZ
cord-313499-8ijbesl8	34	6	used	use	VBN
cord-313499-8ijbesl8	34	7	the	the	DT
cord-313499-8ijbesl8	34	8	approach	approach	NN
cord-313499-8ijbesl8	34	9	of	of	IN
cord-313499-8ijbesl8	34	10	coupling	couple	VBG
cord-313499-8ijbesl8	34	11	the	the	DT
cord-313499-8ijbesl8	34	12	potential	potential	JJ
cord-313499-8ijbesl8	34	13	limitations	limitation	NNS
cord-313499-8ijbesl8	34	14	and	and	CC
cord-313499-8ijbesl8	34	15	strengths	strength	NNS
cord-313499-8ijbesl8	34	16	of	of	IN
cord-313499-8ijbesl8	34	17	NAT	NAT	NNP
cord-313499-8ijbesl8	34	18	and	and	CC
cord-313499-8ijbesl8	34	19	serological	serological	JJ
cord-313499-8ijbesl8	34	20	assays	assay	NNS
cord-313499-8ijbesl8	34	21	to	to	TO
cord-313499-8ijbesl8	34	22	detect	detect	VB
cord-313499-8ijbesl8	34	23	pathogens	pathogen	NNS
cord-313499-8ijbesl8	34	24	in	in	IN
cord-313499-8ijbesl8	34	25	blood	blood	NN
cord-313499-8ijbesl8	34	26	.	.	.
cord-313499-8ijbesl8	35	1	A	a	DT
cord-313499-8ijbesl8	35	2	similar	similar	JJ
cord-313499-8ijbesl8	35	3	approach	approach	NN
cord-313499-8ijbesl8	35	4	could	could	MD
cord-313499-8ijbesl8	35	5	increase	increase	VB
cord-313499-8ijbesl8	35	6	the	the	DT
cord-313499-8ijbesl8	35	7	overall	overall	JJ
cord-313499-8ijbesl8	35	8	likelihood	likelihood	NN
cord-313499-8ijbesl8	35	9	of	of	IN
cord-313499-8ijbesl8	35	10	identifying	identify	VBG
cord-313499-8ijbesl8	35	11	COVID-19	COVID-19	,
cord-313499-8ijbesl8	35	12	infected	infected	JJ
cord-313499-8ijbesl8	35	13	patients	patient	NNS
cord-313499-8ijbesl8	35	14	as	as	IN
cord-313499-8ijbesl8	35	15	shown	show	VBN
cord-313499-8ijbesl8	35	16	by	by	IN
cord-313499-8ijbesl8	35	17	F	F	NNP
cord-313499-8ijbesl8	35	18	Xiang	Xiang	NNP
cord-313499-8ijbesl8	35	19	et	et	NNP
cord-313499-8ijbesl8	35	20	al	al	NNP
cord-313499-8ijbesl8	35	21	1	1	CD
cord-313499-8ijbesl8	35	22	.	.	.
cord-313499-8ijbesl8	36	1	While	while	IN
cord-313499-8ijbesl8	36	2	the	the	DT
cord-313499-8ijbesl8	36	3	results	result	NNS
cord-313499-8ijbesl8	36	4	presented	present	VBN
cord-313499-8ijbesl8	36	5	in	in	IN
cord-313499-8ijbesl8	36	6	this	this	DT
cord-313499-8ijbesl8	36	7	study	study	NN
cord-313499-8ijbesl8	36	8	provide	provide	VBP
cord-313499-8ijbesl8	36	9	some	some	DT
cord-313499-8ijbesl8	36	10	insight	insight	NN
cord-313499-8ijbesl8	36	11	into	into	IN
cord-313499-8ijbesl8	36	12	how	how	WRB
cord-313499-8ijbesl8	36	13	to	to	TO
cord-313499-8ijbesl8	36	14	possibly	possibly	RB
cord-313499-8ijbesl8	36	15	incorporate	incorporate	VB
cord-313499-8ijbesl8	36	16	serological	serological	JJ
cord-313499-8ijbesl8	36	17	testing	testing	NN
cord-313499-8ijbesl8	36	18	into	into	IN
cord-313499-8ijbesl8	36	19	the	the	DT
cord-313499-8ijbesl8	36	20	workup	workup	NN
cord-313499-8ijbesl8	36	21	of	of	IN
cord-313499-8ijbesl8	36	22	acutely	acutely	RB
cord-313499-8ijbesl8	36	23	ill	ill	JJ
cord-313499-8ijbesl8	36	24	patients	patient	NNS
cord-313499-8ijbesl8	36	25	,	,	,
cord-313499-8ijbesl8	36	26	especially	especially	RB
cord-313499-8ijbesl8	36	27	if	if	IN
cord-313499-8ijbesl8	36	28	NAT	NAT	NNP
cord-313499-8ijbesl8	36	29	test	test	NN
cord-313499-8ijbesl8	36	30	results	result	NNS
cord-313499-8ijbesl8	36	31	are	be	VBP
cord-313499-8ijbesl8	36	32	negative	negative	JJ
cord-313499-8ijbesl8	36	33	,	,	,
cord-313499-8ijbesl8	36	34	how	how	WRB
cord-313499-8ijbesl8	36	35	serology	serology	NN
cord-313499-8ijbesl8	36	36	will	will	MD
cord-313499-8ijbesl8	36	37	be	be	VB
cord-313499-8ijbesl8	36	38	employed	employ	VBN
cord-313499-8ijbesl8	36	39	in	in	IN
cord-313499-8ijbesl8	36	40	screening	screen	VBG
cord-313499-8ijbesl8	36	41	asymptomatic	asymptomatic	JJ
cord-313499-8ijbesl8	36	42	individuals	individual	NNS
cord-313499-8ijbesl8	36	43	or	or	CC
cord-313499-8ijbesl8	36	44	patients	patient	NNS
cord-313499-8ijbesl8	36	45	who	who	WP
cord-313499-8ijbesl8	36	46	never	never	RB
cord-313499-8ijbesl8	36	47	underwent	undergo	VBD
cord-313499-8ijbesl8	36	48	NAT	NAT	NNP
cord-313499-8ijbesl8	36	49	testing	testing	NN
cord-313499-8ijbesl8	36	50	during	during	IN
cord-313499-8ijbesl8	36	51	acute	acute	JJ
cord-313499-8ijbesl8	36	52	infection	infection	NN
cord-313499-8ijbesl8	36	53	still	still	RB
cord-313499-8ijbesl8	36	54	remains	remain	VBZ
cord-313499-8ijbesl8	36	55	unclear	unclear	JJ
cord-313499-8ijbesl8	36	56	.	.	.
cord-313499-8ijbesl8	37	1	For	for	IN
cord-313499-8ijbesl8	37	2	example	example	NN
cord-313499-8ijbesl8	37	3	,	,	,
cord-313499-8ijbesl8	37	4	if	if	IN
cord-313499-8ijbesl8	37	5	someone	someone	NN
cord-313499-8ijbesl8	37	6	is	be	VBZ
cord-313499-8ijbesl8	37	7	found	find	VBN
cord-313499-8ijbesl8	37	8	to	to	TO
cord-313499-8ijbesl8	37	9	be	be	VB
cord-313499-8ijbesl8	37	10	serologically	serologically	RB
cord-313499-8ijbesl8	37	11	positive	positive	JJ
cord-313499-8ijbesl8	37	12	,	,	,
cord-313499-8ijbesl8	37	13	should	should	MD
cord-313499-8ijbesl8	37	14	a	a	DT
cord-313499-8ijbesl8	37	15	follow	follow	VB
cord-313499-8ijbesl8	37	16	up	up	RP
cord-313499-8ijbesl8	37	17	NAT	NAT	NNP
cord-313499-8ijbesl8	37	18	test	test	NN
cord-313499-8ijbesl8	37	19	be	be	VB
cord-313499-8ijbesl8	37	20	performed	perform	VBN
cord-313499-8ijbesl8	37	21	to	to	TO
cord-313499-8ijbesl8	37	22	determine	determine	VB
cord-313499-8ijbesl8	37	23	if	if	IN
cord-313499-8ijbesl8	37	24	the	the	DT
cord-313499-8ijbesl8	37	25	individual	individual	NN
cord-313499-8ijbesl8	37	26	is	be	VBZ
cord-313499-8ijbesl8	37	27	shedding	shed	VBG
cord-313499-8ijbesl8	37	28	virus	virus	NN
cord-313499-8ijbesl8	37	29	?	?	.
cord-313499-8ijbesl8	38	1	Furthermore	furthermore	RB
cord-313499-8ijbesl8	38	2	,	,	,
cord-313499-8ijbesl8	38	3	the	the	DT
cord-313499-8ijbesl8	38	4	extent	extent	NN
cord-313499-8ijbesl8	38	5	to	to	TO
cord-313499-8ijbesl8	38	6	which	which	WDT
cord-313499-8ijbesl8	38	7	COVID-19	covid-19	NN
cord-313499-8ijbesl8	38	8	seroreactivity	seroreactivity	NN
cord-313499-8ijbesl8	38	9	reflects	reflect	VBZ
cord-313499-8ijbesl8	38	10	actual	actual	JJ
cord-313499-8ijbesl8	38	11	immunity	immunity	NN
cord-313499-8ijbesl8	38	12	also	also	RB
cord-313499-8ijbesl8	38	13	represents	represent	VBZ
cord-313499-8ijbesl8	38	14	an	an	DT
cord-313499-8ijbesl8	38	15	outstanding	outstanding	JJ
cord-313499-8ijbesl8	38	16	question	question	NN
cord-313499-8ijbesl8	38	17	.	.	.
cord-313499-8ijbesl8	39	1	While	while	IN
cord-313499-8ijbesl8	39	2	established	establish	VBN
cord-313499-8ijbesl8	39	3	seroreactive	seroreactive	JJ
cord-313499-8ijbesl8	39	4	corollaries	corollary	NNS
cord-313499-8ijbesl8	39	5	with	with	IN
cord-313499-8ijbesl8	39	6	actual	actual	JJ
cord-313499-8ijbesl8	39	7	immunity	immunity	NN
cord-313499-8ijbesl8	39	8	exist	exist	VBP
cord-313499-8ijbesl8	39	9	,	,	,
cord-313499-8ijbesl8	39	10	such	such	JJ
cord-313499-8ijbesl8	39	11	as	as	IN
cord-313499-8ijbesl8	39	12	antibodies	antibody	NNS
cord-313499-8ijbesl8	39	13	against	against	IN
cord-313499-8ijbesl8	39	14	hepatitis	hepatitis	NNP
cord-313499-8ijbesl8	39	15	B	B	NNP
cord-313499-8ijbesl8	39	16	surface	surface	NN
cord-313499-8ijbesl8	39	17	antigen	antigen	NN
cord-313499-8ijbesl8	39	18	,	,	,
cord-313499-8ijbesl8	39	19	these	these	DT
cord-313499-8ijbesl8	39	20	were	be	VBD
cord-313499-8ijbesl8	39	21	developed	develop	VBN
cord-313499-8ijbesl8	39	22	over	over	IN
cord-313499-8ijbesl8	39	23	long	long	JJ
cord-313499-8ijbesl8	39	24	periods	period	NNS
cord-313499-8ijbesl8	39	25	of	of	IN
cord-313499-8ijbesl8	39	26	time	time	NN
cord-313499-8ijbesl8	39	27	.	.	.
cord-313499-8ijbesl8	40	1	Furthermore	furthermore	RB
cord-313499-8ijbesl8	40	2	,	,	,
cord-313499-8ijbesl8	40	3	which	which	WDT
cord-313499-8ijbesl8	40	4	populations	population	NNS
cord-313499-8ijbesl8	40	5	would	would	MD
cord-313499-8ijbesl8	40	6	most	most	RBS
cord-313499-8ijbesl8	40	7	benefit	benefit	VB
cord-313499-8ijbesl8	40	8	from	from	IN
cord-313499-8ijbesl8	40	9	COVID-19	covid-19	JJ
cord-313499-8ijbesl8	40	10	serological	serological	JJ
cord-313499-8ijbesl8	40	11	testing	testing	NN
cord-313499-8ijbesl8	40	12	remains	remain	VBZ
cord-313499-8ijbesl8	40	13	unknown	unknown	JJ
cord-313499-8ijbesl8	40	14	.	.	.
cord-313499-8ijbesl8	41	1	Several	several	JJ
cord-313499-8ijbesl8	41	2	populations	population	NNS
cord-313499-8ijbesl8	41	3	may	may	MD
cord-313499-8ijbesl8	41	4	be	be	VB
cord-313499-8ijbesl8	41	5	good	good	JJ
cord-313499-8ijbesl8	41	6	candidates	candidate	NNS
cord-313499-8ijbesl8	41	7	:	:	:
cord-313499-8ijbesl8	41	8	1	1	CD
cord-313499-8ijbesl8	41	9	.	.	.
cord-313499-8ijbesl8	42	1	Patients	patient	NNS
cord-313499-8ijbesl8	42	2	that	that	WDT
cord-313499-8ijbesl8	42	3	have	have	VBP
cord-313499-8ijbesl8	42	4	had	have	VBN
cord-313499-8ijbesl8	42	5	COVID-19	COVID-19	VBN
cord-313499-8ijbesl8	42	6	compatible	compatible	JJ
cord-313499-8ijbesl8	42	7	symptoms	symptom	NNS
cord-313499-8ijbesl8	42	8	but	but	CC
cord-313499-8ijbesl8	42	9	have	have	VBP
cord-313499-8ijbesl8	42	10	been	be	VBN
cord-313499-8ijbesl8	42	11	NAT	NAT	NNP
cord-313499-8ijbesl8	42	12	negative	negative	JJ
cord-313499-8ijbesl8	42	13	(	(	-LRB-
cord-313499-8ijbesl8	42	14	as	as	IN
cord-313499-8ijbesl8	42	15	outlined	outline	VBN
cord-313499-8ijbesl8	42	16	in	in	IN
cord-313499-8ijbesl8	42	17	the	the	DT
cord-313499-8ijbesl8	42	18	present	present	JJ
cord-313499-8ijbesl8	42	19	study	study	NN
cord-313499-8ijbesl8	42	20	1	1	CD
cord-313499-8ijbesl8	42	21	)	)	-RRB-
cord-313499-8ijbesl8	42	22	.	.	.
cord-313499-8ijbesl8	43	1	2	2	LS
cord-313499-8ijbesl8	43	2	.	.	.
cord-313499-8ijbesl8	44	1	Populations	population	NNS
cord-313499-8ijbesl8	44	2	in	in	IN
cord-313499-8ijbesl8	44	3	general	general	JJ
cord-313499-8ijbesl8	44	4	to	to	TO
cord-313499-8ijbesl8	44	5	define	define	VB
cord-313499-8ijbesl8	44	6	the	the	DT
cord-313499-8ijbesl8	44	7	degree	degree	NN
cord-313499-8ijbesl8	44	8	of	of	IN
cord-313499-8ijbesl8	44	9	community	community	NN
cord-313499-8ijbesl8	44	10	exposure	exposure	NN
cord-313499-8ijbesl8	44	11	which	which	WDT
cord-313499-8ijbesl8	44	12	may	may	MD
cord-313499-8ijbesl8	44	13	help	help	VB
cord-313499-8ijbesl8	44	14	define	define	VB
cord-313499-8ijbesl8	44	15	the	the	DT
cord-313499-8ijbesl8	44	16	R	r	NN
cord-313499-8ijbesl8	44	17	null	null	NN
cord-313499-8ijbesl8	44	18	and	and	CC
cord-313499-8ijbesl8	44	19	mortality	mortality	NN
cord-313499-8ijbesl8	44	20	rate	rate	NN
cord-313499-8ijbesl8	44	21	.	.	.
cord-313499-8ijbesl8	45	1	3	3	LS
cord-313499-8ijbesl8	45	2	.	.	.
cord-313499-8ijbesl8	46	1	Frontline	frontline	JJ
cord-313499-8ijbesl8	46	2	healthcare	healthcare	NN
cord-313499-8ijbesl8	46	3	workers	worker	NNS
cord-313499-8ijbesl8	46	4	to	to	TO
cord-313499-8ijbesl8	46	5	likewise	likewise	RB
cord-313499-8ijbesl8	46	6	define	define	VB
cord-313499-8ijbesl8	46	7	exposure	exposure	NN
cord-313499-8ijbesl8	46	8	.	.	.
cord-313499-8ijbesl8	47	1	Additional	additional	JJ
cord-313499-8ijbesl8	47	2	testing	testing	NN
cord-313499-8ijbesl8	47	3	,	,	,
cord-313499-8ijbesl8	47	4	such	such	JJ
cord-313499-8ijbesl8	47	5	as	as	IN
cord-313499-8ijbesl8	47	6	NAT	NAT	NNP
cord-313499-8ijbesl8	47	7	testing	testing	NN
cord-313499-8ijbesl8	47	8	,	,	,
cord-313499-8ijbesl8	47	9	may	may	MD
cord-313499-8ijbesl8	47	10	be	be	VB
cord-313499-8ijbesl8	47	11	warranted	warrant	VBN
cord-313499-8ijbesl8	47	12	in	in	IN
cord-313499-8ijbesl8	47	13	serological	serological	JJ
cord-313499-8ijbesl8	47	14	positive	positive	JJ
cord-313499-8ijbesl8	47	15	individuals	individual	NNS
cord-313499-8ijbesl8	47	16	to	to	TO
cord-313499-8ijbesl8	47	17	determine	determine	VB
cord-313499-8ijbesl8	47	18	potential	potential	JJ
cord-313499-8ijbesl8	47	19	risk	risk	NN
cord-313499-8ijbesl8	47	20	for	for	IN
cord-313499-8ijbesl8	47	21	infecting	infect	VBG
cord-313499-8ijbesl8	47	22	others	other	NNS
cord-313499-8ijbesl8	47	23	.	.	.
cord-313499-8ijbesl8	48	1	It	-PRON-	PRP
cord-313499-8ijbesl8	48	2	is	be	VBZ
cord-313499-8ijbesl8	48	3	important	important	JJ
cord-313499-8ijbesl8	48	4	to	to	TO
cord-313499-8ijbesl8	48	5	reiterate	reiterate	VB
cord-313499-8ijbesl8	48	6	that	that	IN
cord-313499-8ijbesl8	48	7	it	-PRON-	PRP
cord-313499-8ijbesl8	48	8	is	be	VBZ
cord-313499-8ijbesl8	48	9	unknown	unknown	JJ
cord-313499-8ijbesl8	48	10	the	the	DT
cord-313499-8ijbesl8	48	11	extent	extent	NN
cord-313499-8ijbesl8	48	12	to	to	TO
cord-313499-8ijbesl8	48	13	which	which	WDT
cord-313499-8ijbesl8	48	14	antibody	antibody	NN
cord-313499-8ijbesl8	48	15	positivity	positivity	NN
cord-313499-8ijbesl8	48	16	translates	translate	VBZ
cord-313499-8ijbesl8	48	17	to	to	IN
cord-313499-8ijbesl8	48	18	actual	actual	JJ
cord-313499-8ijbesl8	48	19	immunity	immunity	NN
cord-313499-8ijbesl8	48	20	.	.	.
cord-313499-8ijbesl8	49	1	4	4	LS
cord-313499-8ijbesl8	49	2	.	.	.
cord-313499-8ijbesl8	50	1	Convalescent	convalescent	JJ
cord-313499-8ijbesl8	50	2	patients	patient	NNS
cord-313499-8ijbesl8	50	3	that	that	WDT
cord-313499-8ijbesl8	50	4	want	want	VBP
cord-313499-8ijbesl8	50	5	to	to	TO
cord-313499-8ijbesl8	50	6	donate	donate	VB
cord-313499-8ijbesl8	50	7	plasma	plasma	NN
cord-313499-8ijbesl8	50	8	for	for	IN
cord-313499-8ijbesl8	50	9	patients	patient	NNS
cord-313499-8ijbesl8	50	10	suffering	suffer	VBG
cord-313499-8ijbesl8	50	11	from	from	IN
cord-313499-8ijbesl8	50	12	infection	infection	NN
cord-313499-8ijbesl8	50	13	.	.	.
cord-313499-8ijbesl8	51	1	Further	further	JJ
cord-313499-8ijbesl8	51	2	testing	testing	NN
cord-313499-8ijbesl8	51	3	to	to	TO
cord-313499-8ijbesl8	51	4	define	define	VB
cord-313499-8ijbesl8	51	5	optimal	optimal	JJ
cord-313499-8ijbesl8	51	6	titer	titer	NN
cord-313499-8ijbesl8	51	7	and	and	CC
cord-313499-8ijbesl8	51	8	overall	overall	JJ
cord-313499-8ijbesl8	51	9	neutralizing	neutralize	VBG
cord-313499-8ijbesl8	51	10	activity	activity	NN
cord-313499-8ijbesl8	51	11	will	will	MD
cord-313499-8ijbesl8	51	12	be	be	VB
cord-313499-8ijbesl8	51	13	needed	need	VBN
cord-313499-8ijbesl8	51	14	.	.	.
cord-313499-8ijbesl8	52	1	In	in	IN
cord-313499-8ijbesl8	52	2	short	short	JJ
cord-313499-8ijbesl8	52	3	,	,	,
cord-313499-8ijbesl8	52	4	the	the	DT
cord-313499-8ijbesl8	52	5	article	article	NN
cord-313499-8ijbesl8	52	6	of	of	IN
cord-313499-8ijbesl8	52	7	F	F	NNP
cord-313499-8ijbesl8	52	8	Xiang	Xiang	NNP
cord-313499-8ijbesl8	52	9	et	et	NNP
cord-313499-8ijbesl8	52	10	al	al	NNP
cord-313499-8ijbesl8	52	11	.	.	NNP
cord-313499-8ijbesl8	52	12	is	be	VBZ
cord-313499-8ijbesl8	52	13	a	a	DT
cord-313499-8ijbesl8	52	14	first	first	JJ
cord-313499-8ijbesl8	52	15	step	step	NN
cord-313499-8ijbesl8	52	16	to	to	TO
cord-313499-8ijbesl8	52	17	better	better	RB
cord-313499-8ijbesl8	52	18	understand	understand	VB
cord-313499-8ijbesl8	52	19	the	the	DT
cord-313499-8ijbesl8	52	20	antibody	antibody	NN
cord-313499-8ijbesl8	52	21	response	response	NN
cord-313499-8ijbesl8	52	22	against	against	IN
cord-313499-8ijbesl8	52	23	SARS	SARS	NNP
cord-313499-8ijbesl8	52	24	-	-	HYPH
cord-313499-8ijbesl8	52	25	CoV-2	CoV-2	NNP
cord-313499-8ijbesl8	52	26	and	and	CC
cord-313499-8ijbesl8	52	27	in	in	IN
cord-313499-8ijbesl8	52	28	so	so	RB
cord-313499-8ijbesl8	52	29	doing	do	VBG
cord-313499-8ijbesl8	52	30	provides	provide	VBZ
cord-313499-8ijbesl8	52	31	important	important	JJ
cord-313499-8ijbesl8	52	32	insight	insight	NN
cord-313499-8ijbesl8	52	33	into	into	IN
cord-313499-8ijbesl8	52	34	the	the	DT
cord-313499-8ijbesl8	52	35	possible	possible	JJ
cord-313499-8ijbesl8	52	36	characteristics	characteristic	NNS
cord-313499-8ijbesl8	52	37	and	and	CC
cord-313499-8ijbesl8	52	38	use	use	NN
cord-313499-8ijbesl8	52	39	of	of	IN
cord-313499-8ijbesl8	52	40	serological	serological	JJ
cord-313499-8ijbesl8	52	41	tests	test	NNS
cord-313499-8ijbesl8	52	42	in	in	IN
cord-313499-8ijbesl8	52	43	this	this	DT
cord-313499-8ijbesl8	52	44	ongoing	ongoing	JJ
cord-313499-8ijbesl8	52	45	pandemic	pandemic	NN
cord-313499-8ijbesl8	52	46	.	.	.
cord-313499-8ijbesl8	53	1	However	however	RB
cord-313499-8ijbesl8	53	2	,	,	,
cord-313499-8ijbesl8	53	3	as	as	IN
cord-313499-8ijbesl8	53	4	other	other	JJ
cord-313499-8ijbesl8	53	5	serological	serological	JJ
cord-313499-8ijbesl8	53	6	tests	test	NNS
cord-313499-8ijbesl8	53	7	are	be	VBP
cord-313499-8ijbesl8	53	8	developed	develop	VBN
cord-313499-8ijbesl8	53	9	,	,	,
cord-313499-8ijbesl8	53	10	the	the	DT
cord-313499-8ijbesl8	53	11	analytical	analytical	JJ
cord-313499-8ijbesl8	53	12	parameters	parameter	NNS
cord-313499-8ijbesl8	53	13	of	of	IN
cord-313499-8ijbesl8	53	14	each	each	DT
cord-313499-8ijbesl8	53	15	of	of	IN
cord-313499-8ijbesl8	53	16	these	these	DT
cord-313499-8ijbesl8	53	17	tests	test	NNS
cord-313499-8ijbesl8	53	18	will	will	MD
cord-313499-8ijbesl8	53	19	likely	likely	RB
cord-313499-8ijbesl8	53	20	differ	differ	VB
cord-313499-8ijbesl8	53	21	,	,	,
cord-313499-8ijbesl8	53	22	making	make	VBG
cord-313499-8ijbesl8	53	23	it	-PRON-	PRP
cord-313499-8ijbesl8	53	24	difficult	difficult	JJ
cord-313499-8ijbesl8	53	25	to	to	TO
cord-313499-8ijbesl8	53	26	fully	fully	RB
cord-313499-8ijbesl8	53	27	extrapolate	extrapolate	VB
cord-313499-8ijbesl8	53	28	these	these	DT
cord-313499-8ijbesl8	53	29	findings	finding	NNS
cord-313499-8ijbesl8	53	30	to	to	IN
cord-313499-8ijbesl8	53	31	additional	additional	JJ
cord-313499-8ijbesl8	53	32	serological	serological	JJ
cord-313499-8ijbesl8	53	33	tests	test	NNS
cord-313499-8ijbesl8	53	34	as	as	IN
cord-313499-8ijbesl8	53	35	they	-PRON-	PRP
cord-313499-8ijbesl8	53	36	become	become	VBP
cord-313499-8ijbesl8	53	37	available	available	JJ
cord-313499-8ijbesl8	53	38	.	.	.
cord-313499-8ijbesl8	54	1	Additional	additional	JJ
cord-313499-8ijbesl8	54	2	studies	study	NNS
cord-313499-8ijbesl8	54	3	will	will	MD
cord-313499-8ijbesl8	54	4	therefore	therefore	RB
cord-313499-8ijbesl8	54	5	be	be	VB
cord-313499-8ijbesl8	54	6	needed	need	VBN
cord-313499-8ijbesl8	54	7	to	to	TO
cord-313499-8ijbesl8	54	8	fully	fully	RB
cord-313499-8ijbesl8	54	9	characterize	characterize	VB
cord-313499-8ijbesl8	54	10	serological	serological	JJ
cord-313499-8ijbesl8	54	11	platforms	platform	NNS
cord-313499-8ijbesl8	54	12	that	that	WDT
cord-313499-8ijbesl8	54	13	are	be	VBP
cord-313499-8ijbesl8	54	14	rapidly	rapidly	RB
cord-313499-8ijbesl8	54	15	becoming	become	VBG
cord-313499-8ijbesl8	54	16	available	available	JJ
cord-313499-8ijbesl8	54	17	,	,	,
cord-313499-8ijbesl8	54	18	both	both	CC
cord-313499-8ijbesl8	54	19	with	with	IN
cord-313499-8ijbesl8	54	20	respect	respect	NN
cord-313499-8ijbesl8	54	21	to	to	IN
cord-313499-8ijbesl8	54	22	their	-PRON-	PRP$
cord-313499-8ijbesl8	54	23	analytical	analytical	JJ
cord-313499-8ijbesl8	54	24	parameters	parameter	NNS
cord-313499-8ijbesl8	54	25	and	and	CC
cord-313499-8ijbesl8	54	26	the	the	DT
cord-313499-8ijbesl8	54	27	role	role	NN
cord-313499-8ijbesl8	54	28	they	-PRON-	PRP
cord-313499-8ijbesl8	54	29	may	may	MD
cord-313499-8ijbesl8	54	30	play	play	VB
cord-313499-8ijbesl8	54	31	in	in	IN
cord-313499-8ijbesl8	54	32	diagnosing	diagnose	VBG
cord-313499-8ijbesl8	54	33	and	and	CC
cord-313499-8ijbesl8	54	34	screening	screen	VBG
cord-313499-8ijbesl8	54	35	individuals	individual	NNS
cord-313499-8ijbesl8	54	36	for	for	IN
cord-313499-8ijbesl8	54	37	COVID-19	covid-19	NN
cord-313499-8ijbesl8	54	38	.	.	.
cord-313499-8ijbesl8	55	1	However	however	RB
cord-313499-8ijbesl8	55	2	,	,	,
cord-313499-8ijbesl8	55	3	regardless	regardless	RB
cord-313499-8ijbesl8	55	4	of	of	IN
cord-313499-8ijbesl8	55	5	these	these	DT
cord-313499-8ijbesl8	55	6	considerations	consideration	NNS
cord-313499-8ijbesl8	55	7	,	,	,
cord-313499-8ijbesl8	55	8	this	this	DT
cord-313499-8ijbesl8	55	9	study	study	NN
cord-313499-8ijbesl8	55	10	provides	provide	VBZ
cord-313499-8ijbesl8	55	11	important	important	JJ
cord-313499-8ijbesl8	55	12	insight	insight	NN
cord-313499-8ijbesl8	55	13	into	into	IN
cord-313499-8ijbesl8	55	14	the	the	DT
cord-313499-8ijbesl8	55	15	seroreactivity	seroreactivity	NN
cord-313499-8ijbesl8	55	16	of	of	IN
cord-313499-8ijbesl8	55	17	patients	patient	NNS
cord-313499-8ijbesl8	55	18	with	with	IN
cord-313499-8ijbesl8	55	19	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	55	20	in	in	IN
cord-313499-8ijbesl8	55	21	general	general	JJ
cord-313499-8ijbesl8	55	22	that	that	WDT
cord-313499-8ijbesl8	55	23	will	will	MD
cord-313499-8ijbesl8	55	24	surely	surely	RB
cord-313499-8ijbesl8	55	25	guide	guide	VB
cord-313499-8ijbesl8	55	26	additional	additional	JJ
cord-313499-8ijbesl8	55	27	test	test	NN
cord-313499-8ijbesl8	55	28	development	development	NN
cord-313499-8ijbesl8	55	29	and	and	CC
cord-313499-8ijbesl8	55	30	use	use	NN
cord-313499-8ijbesl8	55	31	of	of	IN
cord-313499-8ijbesl8	55	32	serological	serological	JJ
cord-313499-8ijbesl8	55	33	testing	testing	NN
cord-313499-8ijbesl8	55	34	moving	move	VBG
cord-313499-8ijbesl8	55	35	forward	forward	RB
cord-313499-8ijbesl8	55	36	.	.	.
cord-313499-8ijbesl8	56	1	Neither	neither	DT
cord-313499-8ijbesl8	56	2	author	author	NN
cord-313499-8ijbesl8	56	3	has	have	VBZ
cord-313499-8ijbesl8	56	4	any	any	DT
cord-313499-8ijbesl8	56	5	potential	potential	JJ
cord-313499-8ijbesl8	56	6	conflicts	conflict	NNS
cord-313499-8ijbesl8	56	7	to	to	TO
cord-313499-8ijbesl8	56	8	disclose	disclose	VB
cord-313499-8ijbesl8	56	9	.	.	.
cord-313499-8ijbesl8	57	1	Antibody	antibody	NN
cord-313499-8ijbesl8	57	2	detection	detection	NN
cord-313499-8ijbesl8	57	3	and	and	CC
cord-313499-8ijbesl8	57	4	dynamic	dynamic	JJ
cord-313499-8ijbesl8	57	5	characteristics	characteristic	NNS
cord-313499-8ijbesl8	57	6	in	in	IN
cord-313499-8ijbesl8	57	7	patients	patient	NNS
cord-313499-8ijbesl8	57	8	with	with	IN
cord-313499-8ijbesl8	57	9	COVID-19	COVID-19	NNP
cord-313499-8ijbesl8	57	10	Serological	serological	JJ
cord-313499-8ijbesl8	57	11	assays	assay	NNS
cord-313499-8ijbesl8	57	12	for	for	IN
cord-313499-8ijbesl8	57	13	emerging	emerge	VBG
cord-313499-8ijbesl8	57	14	coronaviruses	coronaviruse	NNS
cord-313499-8ijbesl8	57	15	:	:	:
cord-313499-8ijbesl8	57	16	Challenges	challenge	NNS
cord-313499-8ijbesl8	57	17	and	and	CC
cord-313499-8ijbesl8	57	18	pitfalls	pitfall	NNS