Pfizer, BioNTech announce COVID-19 vaccine candidate over 90 percent effective (66)

People's Daily Online 2020.11.10 04:09
(Xinhua) 08:25, November 10, 2020 Photo taken on Nov. 7, 2019 shows the booth of Pfizer Inc. during the second China International Import Expo (CIIE) in Shanghai, east China. (Xinhua/Fan Peishen) Pfizer and BioNTech expect to produce globally up to 50 million vaccine doses in 2020 and up to 1.3 billion doses in 2021. WASHINGTON, Nov.
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