Brazil’s health regulator on Sunday approved the urgent use of coronavirus vaccines made by Sinovac and AstraZeneca, as the country is facing a resurgence of infections in many parts. Brazil currently has 6 million doses of Sinovac’s CoronaVac vaccine ready to distribute in the next few days and is awaiting the arrival of 2 million doses of the vaccine made by AstraZeneca and partner Oxford Univ.