Brazilian state aims to vaccinate entire city

World Today

A municipal health worker prepares a dose of the AstraZeneca/Oxford vaccine at the the Sustainable Development Reserve of Tupe in the Negro river banks in Manaus, Brazil, February 9, 2021. Picture taken February 9, 2021. REUTERS/Bruno Kelly

A small city in the Brazilian state of São Paulo has been chosen for a groundbreaking study to test how well China’s CoronaVac vaccine can reduce coronavirus contagion in its population.

The idea is to inoculate virtually the whole adult population and observe how well that tamps down circulation and spread of the virus.