Created at	Source	Raw Value	Validated value
Jan. 13, 2021, 12:31 a.m.	usa	Pearson's Chi-square and proportion test.	Pearson's Chi-square and proportion test.
Jan. 10, 2021, 12:31 a.m.	usa	Reduce the number of COVID-19 infections in health personnel	Reduce the number of COVID-19 infections in health personnel