Brazil's National Health Surveillance Agency of Brazil (Anvisa) Wednesday authorized the Butantan Institute to carry out human tests of the locally-produced ButanVac immunizer.
Butantan Institute Director Dimas Covas Thursday blamed President Jair Bolsonaro's anti-Chinese stance for the delay in the arrival and distribution of anti-covid-19 vaccines into Brazil.
Coronavirus experts in Brazil Wednesday admitted a new variant of the coronavirus' Manaus version had been identified, as concern about a worsening situation mounted.