TIMUR MATAHARI

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

From www.nydailynews.com
By
Theresa Braine
TIMUR MATAHARI

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.