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?
Source: https://www.livescience.com/covid-19-vaccine-efficacy-explained.html
Only the Autodidact is Free
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?
Source: https://www.livescience.com/covid-19-vaccine-efficacy-explained.html