• China's Sinovac coronavirus vaccine is just over 50% effective in Brazil, lower than previously stated 78%

    2 days ago - By NY Daily News

    China's Sinovac Biotech coronavirus vaccine is 50.4% effective, rather than 78% as first reported last week, Brazilian officials said Wednesday. The efficacy rate dropped after "very mild infections" were added to the mix of patient data, Brazilian authorities said.
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