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Pfizer Covid vaccine 94% effective, study of 1.2m people finds

All news فبراير 25, 2021
The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the shot is highly effective at preventing Covid-19.
The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the treatment is highly effective in preventing Covid-19. Photograph: Ahmad Gharabli/AFP/Getty Images
The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the treatment is highly effective in preventing Covid-19. Photograph: Ahmad Gharabli/AFP/Getty Images


source https://www.theguardian.com/world/2021/feb/25/pfizer-covid-vaccine-94-effective-study-of-12m-people-finds

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