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RIO DE JANEIRO, BRAZIL - Butantan Institute director Dimas Tadeu Covas, said yesterday in an interview to Jovem Pan radio that with two doses, the CoronaVac vaccine being developed in partnership with Chinese pharmaceutical giant Sinovac could provide more than 97 percent immunity against the coronavirus.

If the vaccine proves to be safe, the state of São Paulo may have 45 million doses this year, according to governor João Doria at a press conference.

"This vaccine [Sinovac and Butantan] is already being applied in two doses, with a 14-day gap, to allow greater antibody production. The duration will . . .

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