How much protection you get from one dose of the Pfizer, AstraZeneca, and Moderna vaccines, according to the best available data

How much protection you get from one dose of the Pfizer, AstraZeneca, and Moderna vaccines, according to the best available data

Business Insider

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One dose of Pfizer or Moderna vaccines appears at least 80% effective against symptomatic COVID-19. For AstraZeneca, one shot is 70% effective.

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