173 Israel: Pfizer mRNA vaccine is only 64% effective in preventing coronavirus infection after 2 doses, dropped from 94% in May. (twitter.com) posted 3 years ago by ostof 3 years ago by ostof +173 / -0 14 comments share 14 comments share save hide report block hide replies
Didnt one research paper said its 0.6% effective?
Maybe you mean absolute risk-reduction?