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Observational study in Qatar: Pfizer–BioNTech Covid vaccine is 89.5% effective against B.1.1.7 variant and 75.0% effective against B.1.351 variant. Vaccine effectiveness against severe, critical, or fatal disease with any SARS-CoV-2 variant was very high, at 97.4%.

6 May, 2021 | 09:06h | UTC

Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants – New England Journal of Medicine

Commentary: Pfizer-BioNTech vaccine offers strong protection against key variants of concern, real-world data from Qatar shows – The Washington Post


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