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Top Beijing official admits efficacy of China’s Covid vaccines is low

The Guardian Original article ›
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Estimates that about 161 million people have been vaccinated in China with Sinovac vaccine made in China. That vaccine has effectiveness of 50.1% at preventing symptomatic infections, as estimated by researchers in Brazil. This compares with the newer technology used in Pfizer and Moderna vaccines that have effectiveness of over 90%. 



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