Syringe and vaccine

Pfizer BioNTech vaccine likely to be effective against B1.1.7 strain of SARS-CoV-2

02 February 2021

The Pfizer BioNTech vaccine BNT162b2 is likely to be effective against the B1.1.7 variant of SARS-CoV-2, even though its efficacy is modestly affected, say scientists at the University of Cambridge. However, when the E484K mutation – first seen in the South African variant – is added, it substantially increases the amount of antibody required to prevent infection.

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