Created at	Source	Raw Value	Validated value
Oct. 20, 2021, 9:03 a.m.	usa	Substudy 1 - Number of COVID-19+ PCR Patients in Self-quarantine Who Are Hospitalized;Sub Study 2:Number of Health Care Workers Testing Positive at 2 Months	Substudy 1 - Number of COVID-19+ PCR Patients in Self-quarantine Who Are Hospitalized;Sub Study 2:Number of Health Care Workers Testing Positive at 2 Months
Oct. 26, 2020, 11:31 p.m.	usa	Sub Study 1: Patients;Sub Study 2: Health Care Workers	Sub Study 1: Patients;Sub Study 2: Health Care Workers