Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * health care personells and family contact of confirmed covid-19 cases.	inclusion criteria: * health care personells and family contact of confirmed covid-19 cases.
Jan. 29, 2021, 12:31 a.m.	usa	inclusion criteria: - health care personells and family contact of confirmed covid-19 cases.	inclusion criteria: - health care personells and family contact of confirmed covid-19 cases.