![]() The spike protein is what the virus uses to enter cells. How are these updated shots different from the last one?Īll of the Pfizer/BioNTech and Moderna COVID-19 vaccines - the originals, the bivalent boosters and the latest updates - use the same mRNA technology to trigger an immune response to the spike protein of SARS-CoV-2, the virus that causes COVID-19. Here we answer common questions about the latest vaccines. 2 - are half the peak numbers for the COVID-19 surge late last year, according to the CDC. has seen an uptick in new hospitalizations due to COVID-19 in recent weeks, though the figures so far - nearly 19,000 new hospital admissions for the week of Sept. The updated shots target the omicron variant that has dominated new cases this year. 3, the FDA authorized updated Novavax vaccines for people 12 years old and up, which also replaced the company’s original doses. With the latest FDA action, the bivalent boosters are no longer FDA-authorized and won’t be available. ![]() The 2023-2024 vaccines, as the FDA and CDC have referred to them, come one year after the rollout of the vaccine makers’ bivalent booster vaccines, the first version of COVID-19 vaccines updated to target circulating variants. The next day, the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices voted 13 to 1 to recommend that everyone 6 months and older should get the shots, and the CDC endorsed that recommendation. 11 for those 12 years of age and up, and the FDA issued an emergency use authorization for children ages 6 months to 11 years old. The Food and Drug Administration approved the mRNA vaccines on Sept. The updated vaccines, from Pfizer/BioNTech and Moderna, are available for those ages 6 months and older.
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