Created at	Source	Raw Value	Validated value
May 3, 2021, 9:44 a.m.	usa	Proportion of confirmed Covid-19 cases in the two vaccine groups and the placebo group.	Proportion of confirmed Covid-19 cases in the two vaccine groups and the placebo group.
Nov. 4, 2020, 11:31 p.m.	usa	Primary endpoint	Primary endpoint