CORONAVIRUS VACCINE - China's Sinopharm says its vaccine is over 79% effective against Covid-19



source https://www.efe.com/efe/english/portada/china-s-sinopharm-says-its-vaccine-is-over-79-effective-against-covid-19/50000260-4430079?utm_source=wwwefecom&utm_medium=rss&utm_campaign=rss

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