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  2. Nov 30, 2022 · Data from early in the pandemic found that individuals who received vaccination with Pfizer or Moderna COVID-19 vaccines had immunity for around 4 months after booster doses. However, the...

  3. May 14, 2024 · People aged 65 years and older who received 1 dose of any updated 2023-2024 COVID-19 vaccine (Pfizer-BioNTech, Moderna or Novavax) should receive 1 additional dose of an updated COVID-19 vaccine at least 4 months after the previous updated dose.

  4. Apr 30, 2024 · For the unvaccinated: One dose of the 2023-2024 Moderna COVID-19 vaccine. For those who have received two or more doses of the original monovalent or bivalent Moderna vaccines: One dose of the 2023-2024 Moderna COVID-19 vaccine administered at least two months after the last previous dose of Moderna.

  5. Apr 17, 2024 · Recap. Research results find the Moderna vaccine offers protection against the original COVID-19 virus for up to six months. After that time, boosters have also enhanced immunity. The FDA does not yet have enough data to be sure how long protection will last, especially as new COVID variants emerge.

  6. May 3, 2023 · Overall, the researchers found that one month after people received two doses of either mRNA vaccine (from Moderna or Pfizer-BioNTech), the vaccine from AstraZeneca, or the shot from Sinovac,...

  7. Aug 31, 2021 · How long immunity lasts: Studies have suggested immunity will likely last at least 6 months. Protection against variants: Moderna found in May 2021 that a booster shot of the vaccine after a...

  8. May 1, 2024 · 2023-2024 Moderna COVID-19 vaccine, available for people age 6 months and older. 2023-2024 Novavax COVID-19 vaccine, available for people age 12 years and older. These vaccines have U.S. Food and Drug Administration (FDA) emergency use authorization or approval.

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