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

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

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.

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

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

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

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 ...

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

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

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

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 ...