Anna NowogrodzkiSocial Links Navigation Latest articles by Anna Nowogrodzki COVID-19 vaccines: What does 95% efficacy actually mean? By Anna Nowogrodzki published 11 February 21 You have likely heard that Pfizer's COVID-19 vaccine efficacy is 95%, Moderna's is 94% and Johnson & Johnson's is 66%. But what do these numbers actually mean? Coronavirus Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Lyrid meteor shower peaks next week: How to spot the most 'shooting stars'2Climate change: Facts about our warming planet3Did every civilization have inequality? New 10,000-year study reveals a surprising answer.4World's first baby conceived with remotely operated, 'automated IVF' has been born5'Flesh-eating' vulva infections reported in three cases — gynecologists should know the signs, experts warn
COVID-19 vaccines: What does 95% efficacy actually mean? By Anna Nowogrodzki published 11 February 21 You have likely heard that Pfizer's COVID-19 vaccine efficacy is 95%, Moderna's is 94% and Johnson & Johnson's is 66%. But what do these numbers actually mean?
