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1. www.cdc.gov › mmwr › volumesEffectiveness of Third Dose of Pfizer-BioNTech and Moderna ...

   www.cdc.gov › mmwr › volumes

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   Jan 27, 2022 · In a study of hospitalized adults, compared with receipt of 2 mRNA COVID-19 vaccine doses, receipt of a third dose increased vaccine effectiveness against hospitalization among adults without and with immunocompromising conditions, from 82% to 97% and from 69% to 88%, respectively.

2. www.fda.gov › news-events › press-announcementsFDA Authorizes Booster Dose of Pfizer-BioNTech COVID-19 ...

   www.fda.gov › news-events › press-announcements

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   Sep 22, 2021 · Today, the U.S. Food and Drug Administration amended the emergency use authorization (EUA) for the Pfizer-BioNTech COVID-19 Vaccine to allow for use of a single booster dose, to be administered...

3. www.cnn.com › 2021/08/14 › healthA third dose of Covid-19 vaccine is now authorized for some ...

   www.cnn.com › 2021/08/14 › health

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   Aug 14, 2021 · The companies Pfizer and BioNTech said Monday they have submitted data from a Phase 1 study to the FDA supporting the use of a third, or booster, dose of their Covid-19 vaccine. The data...

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4. www.nejm.org › doi › fullSafety and Efficacy of a Third Dose of BNT162b2 Covid-19 ...

   www.nejm.org › doi › full

   Mar 23, 2022 · Active immunization with the BNT162b2 vaccine (Pfizer–BioNTech) has been a critical mitigation tool against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection during the...

5. www.fda.gov › news-events › press-announcementsCoronavirus (COVID-19) Update: FDA Authorizes Additional ...

   www.fda.gov › news-events › press-announcements

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   After a thorough review of the available data, the FDA determined that this small, vulnerable group may benefit from a third dose of the Pfizer-BioNTech or Moderna Vaccines,” said Acting FDA...

6. edition.cnn.com › 2021/07/28 › healthPfizer data suggest third dose of Covid-19 vaccine ‘strongly ...

   edition.cnn.com › 2021/07/28 › health

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   Jul 28, 2021 · A third dose of the Pfizer/BioNTech Covid-19 vaccine can “strongly” boost protection against the Delta variant – beyond the protection afforded by the standard two doses, new data released by...