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China’s CoronaVac jab less effective against Gamma variant, Brazil study says

China’s 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 immunised people suggest “the…

Read the original article at South China Morning Post

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