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Pfizer’s COVID-19 shot less effective against South African variant: study – Global News

Some previous studies have indicated that the Pfizer shot was less potent against the B.1.351 variant than against other coronavirus variants, but still offered…

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The coronavirus variant discovered in South Africa can “break through” Pfizer/BioNTech’s COVID-19 vaccine to some extent, a real-world data study in Israel found, though its prevalence in the country is low and the research has not been peer reviewed.
The study, released on Saturday, compared almost 400 people who had tested positive for COVID-19, 14 days or more after they received one or two doses of the vaccine, against the same number of unvaccinated patients with the disease. It matched age…

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