RT @DrEricDing
BREAKING—new #COVID19 vaccine efficacy study from Israel concludes that Pfizer/BioNTech's jab is up to 85% effective after the first dose after 15 days to day 28—and even 75% including asymptomatic cases—meaning it stops infections by 75%! Huge. 🧵
https://news.sky.com/story/covid-19-pfizer-vaccine-is-up-to-85-effective-after-first-dose-new-israeli-study-finds-12222164