Paris,France — The Chinese CoronaVac jab, a key tool in Brazil’s fight against COVID-19, is less effective against the Gamma variant first detected in the virus-ravaged South American country, a study said Friday.
Researchers found that antibodies generated by the vaccine work less well against the variant than a previous coronavirus strain, while Gamma may also be able to reinfect people who had previously had the virus.
Gamma’s capacity to evade these immune system responses even in immunized people suggests that “the virus can potentially circulate in vaccinated individuals — even in areas with high vaccination rates,” the study authors said in a press release.
In the smal…
Keep on reading: Sinovac’s CoronaVac less effective vs COVID-19 Gamma variant, says study