Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * aged ≥18 years * laboratory-confirmed sars-cov- 2 infection * hospitalized patients * need reservoir mask for oxygen support * need hfnc for oxygen support	inclusion criteria: * aged ≥18 years * laboratory-confirmed sars-cov- 2 infection * hospitalized patients * need reservoir mask for oxygen support * need hfnc for oxygen support
July 14, 2021, 6 a.m.	usa	inclusion criteria: - aged ≥18 years - laboratory-confirmed sars-cov- 2 infection - hospitalized patients - need reservoir mask for oxygen support - need hfnc for oxygen support	inclusion criteria: - aged ≥18 years - laboratory-confirmed sars-cov- 2 infection - hospitalized patients - need reservoir mask for oxygen support - need hfnc for oxygen support