💡AMAZING BOOSTER DATA—New study shows 3rd shot has 91% efficacy (11x ⬇️lower risk) against #DeltaVariant infection versus 2 shots (>=5 months earlier) among age 60+. Plus, 3rd shot has ~95% efficacy (19.5x ⬇️lower risk) against severe disease!🧵 #COVID19 https://t.co/nLAAk7ghH8 pic.twitter.com/BxRjWGDsvA

— Eric Feigl-Ding (@DrEricDing) September 16, 2021