Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	* previous adverse events to opv; previous documented covid-19; acute severe infection.	* previous adverse events to opv; previous documented covid-19; acute severe infection.
Oct. 26, 2020, 11:31 p.m.	usa	- previous adverse events to opv; previous documented covid-19; acute severe infection.	- previous adverse events to opv; previous documented covid-19; acute severe infection.