Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * probable or confirmed covid-19 infection according to who criteria * moderate or severe covid-19 respiratory infection according to vietnamese guidelines * requirement for supplemental oxygen therapy	inclusion criteria: * probable or confirmed covid-19 infection according to who criteria * moderate or severe covid-19 respiratory infection according to vietnamese guidelines * requirement for supplemental oxygen therapy
Oct. 20, 2021, 9:03 a.m.	usa	inclusion criteria: - probable or confirmed covid-19 infection according to who criteria - moderate or severe covid-19 respiratory infection according to vietnamese guidelines - requirement for supplemental oxygen therapy	inclusion criteria: - probable or confirmed covid-19 infection according to who criteria - moderate or severe covid-19 respiratory infection according to vietnamese guidelines - requirement for supplemental oxygen therapy