RIO DE JANEIRO, BRAZIL - Turkey announced that the CoronaVac vaccine was over 90% effective in a late-stage trial. These are the first results on the efficiency of the vaccine developed by Chinese Sinovac pharmaceutical company, which has a partnership with the Butantan Institute.
São Paulo Health Secretary says the CoronaVac vaccine tested in Brazil has not reached 90% efficacy, and that this was expected, but he does not have full data due . . .