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  1. May 1, 2024 · In August 2022, the FDA authorized an update to the Moderna and the Pfizer-BioNTech COVID-19 vaccines. Both included the original and omicron variants of the virus that causes COVID-19. In June 2023, the FDA directed vaccine makers to update COVID-19 vaccines.

    • Side Effects

      For some people, the second dose in a COVID-19 vaccination...

  2. May 14, 2024 · Updated May 14, 2024. Español. Print. What You Need to Know. CDC recommends the 2023–2024 updated COVID-19 vaccinesPfizer-BioNTech, Moderna, or Novavax—to protect against serious illness from COVID-19. Everyone aged 5 years and older ‡ should get 1 dose of an updated COVID-19 vaccine to protect against serious illness from COVID-19.

  3. May 13, 2024 · In the U.S., the Pfizer and Moderna COVID-19 vaccines are fully FDA approved. The Novavax vaccine is authorized for use through an emergency use authorization ( EUA ), which allows it to be used without being fully FDA approved. All three vaccines have been shown to be safe and effective against COVID-19.

  4. Apr 30, 2024 · The bivalent booster (a modified version of the original vaccine) became available in 2022, which provides better protection against hospitalization and death from new COVID-19 variants, including Omicron, as well as the original strain. When Was Moderna's Vaccine Officially Approved?

  5. Apr 15, 2022 · Vaccine efficacy against the delta variant of SARS-CoV-2 waned to 44.3% for the ChAdOx1 vaccine (AstraZeneca Pharmaceuticals LP), to 71.5% for the mRNA-1273 (Moderna) vaccine, and to 66.3% for the BNT162b2 vaccine (Pfizer Inc./BioNTech) at 20 weeks after the second dose; however, the vaccines’ respective protective rate against ...

    • Freelance writer, Medscape
  6. May 9, 2024 · This vaccine incorporates the RBDs of the XBB.1.5, BA.5, and Delta variants, fused with the spike protein’s heptad repeat (HR) domain and self-assembled into stable trimeric protein...

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  8. May 6, 2024 · We highlight a reduction in vaccine effectiveness during Omicron-dominated waves of infections when compared to periods dominated by the Delta variant (median change across COVID-like illness...

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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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