Study of Aggressive Covid-19 Strain in Brazil Suggests Limits of China Vaccine

A small-scale study found plasma from eight people vaccinated with CoronaVac failed to efficiently neutralize the Amazonian strain of the coronavirus known as P.1 that is now ravaging Brazil.

Study of Aggressive Covid-19 Strain in Brazil Suggests Limits of China Vaccine
A small-scale study found plasma from eight people vaccinated with CoronaVac failed to efficiently neutralize the Amazonian strain of the coronavirus known as P.1 that is now ravaging Brazil.