Created at	Source	Raw Value	Validated value
July 20, 2021, 4 p.m.	usa	Nucleocapsid protein levels in saliva samples measured by ELISA;SARS-CoV-2 viral load in saliva samples measured by RT-qPCR	Nucleocapsid protein levels in saliva samples measured by ELISA;SARS-CoV-2 viral load in saliva samples measured by RT-qPCR
Feb. 19, 2021, 12:31 a.m.	usa	SARS-CoV-2 viral load;SARS-CoV-2 viral load	SARS-CoV-2 viral load;SARS-CoV-2 viral load