Sinovac vaccine effective against virus variants in Brazil ; efficacy rises if injection interval is more than 21 days

China's Covid-19 vaccine has proved to be effective against a range of variants of the coronavirus, according to the latest report released on Sunday by Sao Paulo state-owned Butantan Institute, in the most detailed statistical report on the Chinese COVID-19.

Source: globaltimes.cn
Published on 2021-04-12