(Total Views: 271)
Posted On: 04/23/2020 1:46:58 AM
Post# of 716

Polio and TB vaccines may confer COVID-19 immunity, for a possibly limited period of time.
https://www.yahoo.com/news/old-vaccine-could-...08585.html
https://www.yahoo.com/news/old-vaccine-could-...08585.html

