Pfizer Study Suggests COVID-19 Vaccine Works Again Mutation

CHICAGO (CBS)-- New research suggests Pfizer's COVID-19 vaccine can protect against a mutation of the virus.

Pfizer and the University of Texas tested blood samples from 20 people who received the vaccine.

Their antibodies fended off a mutation found in two variants of the virus, first discovered in Britain and South Africa.

The study has not yet been reviewed by experts.

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