Pfizer, BioNTech say Covid vaccine is more than 90% effective — ‘great day for science and humanity’

by admin | Nov 9, 2020 | Breaking News Express-SD

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類型: 連結
作者: Sam Meredith
出處: CNBC
連結: https://www.cnbc.com/2020/11/09/covid-vaccine-pfizer-drug-is-more-than-90percent-effective-in-preventing-infection.html

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