A single shot of Pfizer and BioNTech's COVID-19 vaccine reduces the risk of infection by 70%, the first real-world data suggests

A single shot of Pfizer and BioNTech's COVID-19 vaccine reduces the risk of infection by 70%, the first real-world data suggests

Business Insider

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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.

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