Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * age ≥ 40 years * a laboratory-confirmed initial positive test followed by one negative tests of severe acute respiratory syndrome coronavirus 2 (sars-cov-2) ≤ 6 months after hospital discharge * ≤10 l oxygen requirement during hospitalization	inclusion criteria: * age ≥ 40 years * a laboratory-confirmed initial positive test followed by one negative tests of severe acute respiratory syndrome coronavirus 2 (sars-cov-2) ≤ 6 months after hospital discharge * ≤10 l oxygen requirement during hospitalization
Oct. 26, 2020, 11:31 p.m.	usa	inclusion criteria: - age ≥ 40 years - a laboratory-confirmed initial positive test followed by one negative tests of severe acute respiratory syndrome coronavirus 2 (sars-cov-2) ≤ 6 months after hospital discharge - ≤10 l oxygen requirement during hospitalization	inclusion criteria: - age ≥ 40 years - a laboratory-confirmed initial positive test followed by one negative tests of severe acute respiratory syndrome coronavirus 2 (sars-cov-2) ≤ 6 months after hospital discharge - ≤10 l oxygen requirement during hospitalization