Sinopharm Vaccine : China's Sinopharm to test potential COVID-19 vaccine in Brazil : According to sinopharm, its vaccine is 79% effective.
Sinopharm Vaccine : China's Sinopharm to test potential COVID-19 vaccine in Brazil : Accor…
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Sinopharm Vaccine : China's Sinopharm to test potential COVID-19 vaccine in Brazil : According to sinopharm, its vaccine is 79% effective.