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

Infectious disease outbreaks have a bad habit of piling on at the worst possible times. The 1918 flu pandemic, also known as the Spanish flu, caught the world by surprise just as the First World War ...

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

The Centers for Disease Control and Prevention (CDC) says the current winter presented unusually high flu risk.

New research suggests that past exposure to seasonal flu viruses may help protect people from severe illness caused by the ...

Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection against H5N1, and children would benefit more from H5N1 vaccines.