Vaccination of whole Brazilian city spares it from shortages

People wait in line outside a public school to get a shot of China’s Sinovac CoronaVac vaccine in Serrana, Sao Paulo state, Brazil, Wednesday, Feb. 17, 2021. Brazil’s Butantan Institute has started a mass vaccination on Wednesday of the city’s entire adult population, about 30,000 people, to test the virus’ behavior in response to the vaccine.