The vaccine made by Pfizer and BioNTech appears to retain its effectiveness against coronavirus mutations in worrying new variants that have emerged recently in Britain and South Africa, the firms…
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Source:https://www.ndtv.com/world-news/pfizer-biontech-say-their-covid-vaccine-works-against-uk-south-africa-variants-2359271
Published on: Thu, 28 Jan 2021 13:41:06 +0530
