1 shot of Pfizer COVID vaccine cuts infection risk by 70%: Study - Business Insider
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Business Insider
New York · 1 day ago

The protection from Pfizer and BioNTech's COVID-19 vaccine increased to 85% after two shots in a study of more than 23,000 UK healthcare workers.

https://www.businessinsider.com/covid-vaccine-pfizer-vaccine-efficacy-infection-risk-study-biontech-trial-2021-2

Business Insider
New York · 1 day ago
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