Chinese Sinovac vaccine prevents 67 pct of symptomatic COVID-19 infections: Chilean study 1 2021-04-17 19:28:15 Xinhua Editor : Gu Liping ECNS App Download Chilean Health Minister Enrique Paris (R) and advisor to the Undersecretariat of Public Health Rafael Araos attend a press conference on CoronaVac’s effectiveness in Santiago, Chile, April 16, 2021.…

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