Positive news - Pfizer’s COVID vaccine appeared to lose “only a small bit of effectiveness” against an engineered virus with three key mutations (not the full set) from the new variant found in South Africa, according to a lab study in the U.S.
— Covid Fact Check UK (@fact_covid) January 28, 2021
It has not yet been peer-reviewed. https://t.co/ea6kFvx3Pt