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Pfizer-BioNTech COVID-19 vaccine
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Pfizer-BioNTech COVID-19 vaccine

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COVID-19 vaccines

  • COVID-19 vaccine
    In COVID-19 vaccine

    The Moderna and Pfizer-BioNTech vaccines were about 95 percent effective in preventing infection with SARS-CoV-2; the Janssen vaccine was about 67 percent effective in preventing moderate to severe disease. Other vaccines included the Oxford-AstraZeneca COVID-19 vaccine, a recombinant vaccine first approved in the United Kingdom in late 2020,…

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