COVID-19 Vaccine vs Variants

A recent NEJM letter indicates that serum from individuals (n=15) who received the Pfizer vaccine is adequate to neutralize tested variants.

Y Liu et al. NEJM 2021; DOI: 10.1056/NEJMc2102017. Full text Neutralizing Activity of BNT162b2-Elicited Serum

“All the serum samples efficiently neutralized USA-WA1/2020 and all the viruses with variant spikes.”

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