
Michael Burgess, MD @michaelcburgess
COVID-19 Vaccine Candidate Update: 1. Pfizer - +90% effective – pending emergency use authorization approval from @US_FDA 2. Moderna - 94.5% effective 3. AstraZeneca - 70% effective More info: https://t.co/HdJnXS2AAW — PolitiTweet.org