Entertainment Peru study finds Sinopharm COVID vaccine 50.4% effective against infections By qatar day - August 13, 2021 0 418 Facebook Twitter Pinterest WhatsApp Peru study finds Sinopharm COVID vaccine 50.4% effective against infections – August 13, 2021 China’s Sinopharm Vaccine A two-dose COVID-19 vaccine from China’s Sinopharm was 50.4% effective in preventing infections in health workers in Peru when…