Learn about COVID-19 immunity issues


Fred Dittrich
 

Hi

See: https://www.youtube.com/watch?v=7KBLtUBr1Os Does Getting COVID-19 Make You Immune to It? | SciShow News

Medical professionals will appreciate the dozen or so citations visible when they click Show More which is right below the program title.

73

Fred AE0FD

Join main@CMRA.groups.io to automatically receive all group messages.