New Brazil data shows disappointing 50.4% efficacy for China's CoronaVac vaccine https://ift.tt/3siTV44 https://ift.tt/3oEcPA5 https://ift.tt/3oEcPA5 https://ift.tt/35wJGiQ

https://ift.tt/3oEcPA5

Submitted January 12, 2021 at 06:49PM by TigerSharkFist https://ift.tt/35wJGiQ TigerSharkFist