China's Sinovac vaccine shows 50.38 pc efficacy in Brazil, less than claimed earlier

The Chinese Sinovac vaccine has been found to be far less effective than vaccines developed by Pfizer-BioNTech and Moderna, according to a Brazil government statement on Tuesday, which raised questions about the lack of transparency of Chinese-made vaccines.

The Chinese Sinovac vaccine has been found to be far less effective than vaccines developed by Pfizer-BioNTech and Moderna, according to a Brazil government statement on Tuesday, which raised questions about the lack of transparency of Chinese-made vaccines.

The efficacy of the Chinese-made vaccine was 50.38 per cent in Brazil's late-stage trials.

While the number exceeds the threshold required for regulatory approval, it falls far below the 78 per cent previously announced, raising questions as to the veracity of the data and fueling skepticism over the apparent lack of transparency regarding Chinese vaccines, CNN reported.