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Mar 7, 2024 · 2022–2023 Bivalent vaccines. As of September 11, 2023, the bivalent Pfizer-BioNTech and Moderna COVID-19 vaccines are no longer available for use in the United States. The 2022–2023 bivalent vaccines were designed to protect against both the original virus that causes COVID-19 and the Omicron variants BA.4 and BA.5.
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People who are moderately or severely immunocompromised may...
- Covid-19 Vaccines for People Who Are Moderately Or Severely Immunocompromised
Given new evidence on the B.1.617.2 (Delta) ... At least 8...
- Variants
New variants of SARS-CoV-2, the virus that causes COVID-19,...
- Frequently Asked Questions
Mar 11, 2024 · Key Takeaways. The CDC said adults 65 years and older should get another dose of COVID-19 vaccine four months after their last shot. The booster shot is meant to top-up immunity for people most vulnerable to infection before a new round of COVID vaccines roll out this fall.
Mar 1, 2024 · The Original monovalent and bivalent (Original and Omicron BA.4/BA.5) formulations should no longer be used. COVID-19 vaccine-specific package inserts and EUA fact sheets for healthcare providers (fact sheets) and U.S. COVID-19 Vaccine Product Information can be consulted for a full list of ingredients and information on the conditions of use ...
Mar 1, 2024 · The most recent COVID-19 booster shot reduces adults' risk of moderate or severe COVID by more than half, according to a new nationwide data study from September 2023 through January 2024, a...
Mar 6, 2024 · By analyzing United States COVID-19 surveillance and seroprevalence data in a microsimulation model, here we show that more frequent COVID-19 booster vaccination (every 6–12 months) in older age...
Mar 6, 2024 · A study led by researchers at Stanford Medicine finds the benefit of frequent booster vaccination for COVID-19 is highest for those over 65 years and the immunocompromised. Model estimates who benefits most from frequent COVID-19 boosters | News Center | Stanford Medicine
Feb 29, 2024 · The CDC didn't give a specific timing recommendation for older adults in its news release, but according to information presented at the CDC advisory committee meeting before the official...