Sinovac: Brazil results show Chinese vaccine 50.4% effective January 12, 2021 at 07:52PMhttps://https://ift.tt/3nGmMf0 Latest results show Sinovac's Covid-19 vaccine is less effective than previous data suggested.

Latest results show Sinovac's Covid-19 vaccine is less effective than previous data suggested.

from BBC News - World https://ift.tt/38EmiSp