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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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  2. May 6, 2021 · In 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
  3. 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.

  4. Apr 19, 2024 · Efficacy: For the original shots, 91% efficacy in preventing symptomatic COVID-19 in people 16 years of age or older a week or more after receipt of the second dose. Safety: No serious safety...

  5. Nov. 9 Preliminary data indicates the Pfizer vaccine is over 90 percent effective, with no serious side effects. The final data from the trial shows the efficacy rate is 95 percent.

  6. Dec 30, 2021 · Pfizer-BioNTech reported 95% efficacy (CI: 90.3%97.6%) for their vaccine, with low serious adverse event rates in both the vaccinated and control groups ( Polack et al., 2020 ). The vaccine was initially FDA-approved for ages 16 and over, requiring two doses at a recommended interval of 21 days.

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