COVID and the 1918 flu pandemic gave us playbooks on how to prepare for the next pandemic. But we aren’t using it.

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.

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...

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

This season's influenza vaccine may have been a poor ... people's immune systems build up defenses to parts of the virus encountered in previous years. "Humans mostly have pre-existing immunity ...

Live poultry markets in New Jersey where bird flu was found have reopened after being disinfected. Cat owners get an avian ...