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%.

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

Commentary on Twitter

https://twitter.com/DrEricDing/status/1390107362485211136