The recommendations were made following a meeting that included experts from the FDA, the Centers for Disease Control and Prevention, and the Department of Defense.

Though hospitalizations and other markers trended lower, the CDC received reports of 17 more pediatric flu deaths.

Despite variations by age group and influenza virus type, the 2023-2024 influenza vaccine was protective against outpatient illness in pediatric and adult patients.

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...

Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection ...

Early flu exposure helps immunity against H5N1 infection, with older adults having stronger antibody responses.

Not long after the first flu shot was introduced in 1945 by University of Michigan virologist Thomas Francis and his ...

The CDC has issued interim effectiveness estimates for the 2024-2025 seasonal influenza and 2024-2025 COVID-19 vaccines.

This strain causes severe bronchitis with excessive coughing, requiring nebulizers, inhalers, or oral steroids for relief, ...

Previous exposures to older flu strains prime the immune system to produce antibodies against bird flu (H5N1).

Based on the data presented, the committee agreed that there was a need to change the influenza A/H3N2 virus strains from the 2024-2025 formula. Recommendations on the strain composition of ...