Created at	Source	Raw Value	Validated value
Jan. 5, 2022, 7 a.m.	usa	Occurrence of symptomatic COVID-19	Occurrence of symptomatic COVID-19
Aug. 14, 2021, 5 p.m.	usa	Occurrence of severe COVID-19;Occurrence of symptomatic COVID-19	Occurrence of severe COVID-19;Occurrence of symptomatic COVID-19