Brazil's Sao Paulo Pushes For Mandatory COVID Vaccinations Brazil’s Sao Paulo Pushes For Mandatory COVID Vaccinations Tyler Durden Mon, 10/19/2020 – 02:45 In September, Brazil’s wealthiest and most populous state Sao Paulo went into contract with Chinese vaccine developer Sinovac Biotech, with the expectations to receive 46 million doses of CoronaVac. CoronaVac has been in Phase 3 testing in …