Brazil authorises Sinovac, AstraZeneca vaccines for emergency use
Brazilian health regulator Anvisa approved emergency use of two COVID-19 vaccines on Sunday and the country started its mass vaccination drive. CoronaVac by China's Sinovac Biotech and UK's Oxford-AstraZeneca were approved amid the second wave of the outbreak in the country. Brazil is the third-worst coronavirus-hit country in the world with nearly 85 lakh COVID-19 cases.