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Mar 4, 2024 · A COVID booster shot can help improve your protection against current versions of SARS-CoV-2, the virus that causes COVID. At this time, everyone ages 6 months and older in the U.S. is eligible to get an updated, 2023-2024 COVID vaccine .
Apr 19, 2024 · The bivalent booster, which is no longer available, was introduced in the fall of 2022. It targeted the BA.4 and BA.5 Omicron subvariants and the original SARS-CoV-2 virus. The updated vaccine is monovalent, designed to prevent severe disease from the Omicron XBB.1.5 subvariant.
Sep 13, 2023 · Experts say they offer good protection against current COVID variants. Who should get them, and when's the best time to roll up your sleeve?
Oct 21, 2022 · The new booster is designed to protect against the original strain and Omicron subvariants BA.4 and BA.5. Both Pfizer and Moderna’s bivalent boosters are the same dose size as the previous version. Pfizer’s vaccine for ages 12 and up contains 30 micrograms of antigen, while Moderna’s contains 50 micrograms.
- www.aarp.org
- › Health
Nov 1, 2022 · Do we expect the new booster will still work against the latest omicron subvariants circulating? The virus continues to evolve rapidly — every couple of months we see new variants or subvariants emerge.
Jan 26, 2023 · That day has finally come. In the fall of 2022, the Food and Drug Administration (FDA) authorized—and the Centers for Disease Control and Prevention (CDC) recommended—two updated boosters. The boosters target two Omicron subvariants, BA.4 and BA.5.
- covid19.nih.gov
- › News and Stories
May 23, 2022 · A small study supported by the National Cancer Institute found that booster doses of COVID-19 vaccines already in use produce neutralizing antibodies effective against a recent subvariant of the SARS-CoV-2 Omicron variant.
Oct 26, 2021 · A study of COVID vaccine boosters suggests Moderna or Pfizer works best. People who are immunocompromised also need to get an additional shot, because data show they often don't have an...
Dec 15, 2021 · Do booster shots work against the Omicron variant? While much is still unknown about Omicron, most experts agree that a booster shot is likely to give you additional protection.
Sep 16, 2022 · The updated boosters target the newer, widely spread Omicron subvariants of the COVID-causing virus, BA.4 and BA.5, as well as the early 2020 form of the microbe, known as the ancestral strain....
