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.

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

Influenza infections are outpacing COVID-19 cases for the first time since the pandemic. Here are the best ways to stay ...

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

It’s not totally clear why flu is hitting so hard this year. One possibility is that it got off to a late start, so the ...

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

After speculation as to whether this year’s flu vaccine could be poorly matched to the current strain of flu, new Centers for ...

The recommendations were made in a closed session with representatives from CBER, the CDC and Department of Defense.

Researchers from the University of Pennsylvania, USA, have found that previous exposure to certain seasonal influenza viruses ...

Catani and colleagues provide data on antigenic properties of neuraminidase proteins of pandemic H1N1 and show that antigenic diversity of the neuraminidase from 2009 to 2020 largely falls into two ...

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