PMC:7784824 / 1569-1889 JSON TXT

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Id	Subject	Object	Predicate	Lexical cue	tao:has_database_id
31	258-266	Species	denotes	patients	Tax:9606
32	27-35	Disease	denotes	COVID-19	MESH:C000657245
33	233-241	Disease	denotes	COVID-19	MESH:C000657245

Id	Subject	Object	Predicate	Lexical cue
T23	0-11	Sentence	denotes	Conclusion:
T24	12-129	Sentence	denotes	Sensitivity of COVID-19 serological diagnosis was variable but consistently increased at >7 days after symptom onset.
T25	130-151	Sentence	denotes	Specificity was high.
T26	152-320	Sentence	denotes	Our data suggest that serology can complement molecular testing for diagnosis of COVID-19, especially for patients presenting the 2nd week after symptom onset or later.