Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * health care workers at risk of sars-cov-2 transmission with no previous diagnosis of sars-cov-2 infection * no symptoms compatible with sars-cov-2 (covid-19) until the date of enrolment in the study.	inclusion criteria: * health care workers at risk of sars-cov-2 transmission with no previous diagnosis of sars-cov-2 infection * no symptoms compatible with sars-cov-2 (covid-19) until the date of enrolment in the study.
Oct. 26, 2020, 11:31 p.m.	usa	inclusion criteria: - health care workers at risk of sars-cov-2 transmission with no previous diagnosis of sars-cov-2 infection - no symptoms compatible with sars-cov-2 (covid-19) until the date of enrolment in the study.	inclusion criteria: - health care workers at risk of sars-cov-2 transmission with no previous diagnosis of sars-cov-2 infection - no symptoms compatible with sars-cov-2 (covid-19) until the date of enrolment in the study.