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Sep 8, 2023 · A COVID-19 bivalent vaccine has two different components. These provide two levels of protection. The first component protects against the original strain of SARS-CoV-2. This is the component that ...
Oct 3, 2022 · The bivalent booster is the most recent version of the COVID-19 vaccine. It contains both the original vaccine strain [of the virus] and a strain derived from the BA.5 omicron variant, which is currently dominating here in the U.S., so that we can maximize protection against severe disease and potentially from infection.
Aug 10, 2022 · A bivalent vaccine is a vaccine that protects against two antigens, whether that’s two viruses or two strains of a virus. There are multiple types of multivalent vaccines in the United States. Some target far more than two viruses.
Feb 13, 2023 · The bivalent boosters are designed to address both the original strain of the virus and the more contagious omicron variants that have emerged since. In fact, even as newer variants—like BQ.1, BQ.1.1, and XBB.1.5—become dominant in the U.S., the bivalent boosters are continuing to protect against severe disease, hospitalization, and death.
To date, more than 80% of people in the U.S. have received at least one dose of a vaccine against SARS-CoV-2, the virus that causes COVID-19. The original mRNA vaccines, developed by Moderna and Pfizer-BioNTech, targeted the initial strain of the virus.
Aug 31, 2022 · According to the FDA, the Moderna COVID-19 bivalent vaccine is authorized for use as a single booster dose in people 18 years of age and older. The Pfizer-BioNTech bivalent vaccine is authorized for use as a single booster dose in people 12 and older. Bloomberg School experts Andrew Pekosz, PhD, a professor in Molecular Microbiology and ...
Oct 24, 2022 · The new boosters were reformulated using the same technology as the original vaccine. When approving the new bivalent vaccines, the FDA considered all the existing studies, including extensive ...
