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South Carolina
USA
World
Tech
Business
Sports
Entertain
Health
CoronaVac
Study of the aggressive Covid-19 strain in Brazil suggests limits of the Chinese vaccine
Brazil authorizes Oxford / AstraZeneca and Coronavac vaccines for emergency use
China’s CoronaVac vaccine 50 percent effective, new trials have found
New data from Brazil shows disappointing effectiveness of 50.4% of China’s CoronaVac vaccine
CoronaVac effectiveness in 50-90% in Brazilian trial
Turkey says China’s CoronaVac effectiveness of 91.25%, likely to increase