11-12-2021, 07:46 AM
The vaccine against covid-19 CoronaVac has been shown to be effective against the Ômicron variant of the coronavirus, said on Tuesday (7) Weidong Yin, president of the Chinese laboratory Sinovac, responsible for the development of the immunizing agent.
https://agenciabrasil.ebc.com.br/en/saud...laboratory
https://agenciabrasil.ebc.com.br/en/saud...laboratory