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  2. 65 And Older & Got A 2023-24 COVID-19 Shot? You May Be Eligible For An Additional Dose. Use The Vaccine Finder To Find COVID-19 Vax Locations Near You & Help Stay Protected.

  3. Read the Latest on COVID-19 Vaccines and Booster Shots. Learn More Today. Questions Continue as Millions of Americans Get Immunized. Here Are Some Qs Answered.

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  1. May 6, 2021 · In a multistate network of U.S. hospitals during January–March 2021, receipt of Pfizer-BioNTech or Moderna COVID-19 vaccines was 94% effective against COVID-19 hospitalization among fully vaccinated adults and 64% effective among partially vaccinated adults aged ≥65 years.

    • Mark W. Tenforde, Samantha M. Olson, Wesley H. Self, H. Keipp Talbot, Christopher J. Lindsell, Jay S...
    • 2021
  2. May 1, 2024 · In December 2020, the Pfizer-BioNTech COVID-19 vaccine two-dose series was found to be both safe and effective in preventing COVID-19 infection in people age 18 and older. This data helped predict how well the vaccines would work for younger people. The effectiveness varied by age.

  3. Apr 1, 2021 · The vaccine was 100% effective against severe disease as defined by the U.S. Centers for Disease Control and Prevention (CDC), and 95.3% effective against severe COVID-19 as defined by the U.S. Food and Drug Administration (FDA).

  4. Aug 18, 2022 · The vaccine remains effective against virus variants, though for the Omicron variant, vaccine effectiveness against severe and mild disease after two doses is lower compared to Delta, and waning is more rapid. Therefore, a third dose (first booster) is recommended for all adults, and a second booster for the highest priority-use groups.

  5. A clinical trial demonstrated that the vaccine has an efficacy rate of over 90 percent in preventing Covid-19. Producing a batch of the Pfizer-BioNTech vaccine currently takes 60 days. A...

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  2. 65 And Older & Got A 2023-24 COVID-19 Shot? You May Be Eligible For An Additional Dose. Use The Vaccine Finder To Find COVID-19 Vax Locations Near You & Help Stay Protected.

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