[Preprint] CoronaVac is 50% effective for reducing symptomatic SARS-CoV-2 infection after the first dose in the setting of high P.1 variant transmission in Brazil
9 Apr, 2021 | 03:36h | UTC
Commentary on Twitter (thread – click for more)
New 50% efficacy study of Brazil-predominant vaccine CoronaVac (by Sinovac) in Manaus ?? among healthcare workers when #P1 ~75% dominant. Not a trial, but the study found a 1st dose >=14-days efficacy of 50% on symptomatic #COVID19, ~32% if +asymptomatic. https://t.co/YMmZ3mmSDI pic.twitter.com/jwx5R627ys
— Eric Feigl-Ding (@DrEricDing) April 8, 2021