Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator.

The first severe human bird flu case in the United States was reported in Louisiana earlier this month. Genetic analysis found the virus had mutated, making it more easily transmissible to humans ...

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...

Bird flu, also called avian influenza, is a viral infection that can cause flu in birds and sometimes spread to mammals, including humans. Migrating waterfowl (wild ducks, geese, and storks ...