Tag: dimas covas
RIO DE JANEIRO, BRAZIL - The coronavirus vaccine developed by China’s Sinovac Biotech showed a general efficacy of less than 60% in its late-stage trial in Brazil, a news website reported on Monday, citing two people who seen the...
RIO DE JANEIRO, BRAZIL - The Butantan Institute director Doctor Dimas Covas said that vaccination against the novel coronavirus could become periodic. The assessment does not only refer to the CoronaVac, which the institute produces.
"I do not know if...
