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.

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

Hundreds of thousands of people will gather at the Pennsylvania Farm Show beginning later this week — a potential breeding ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

In light of the ongoing global spread of the H5N1 avian influenza, U.S. public health experts are reassured that current ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Here's what the latest research is saying about how it is spreading and how to keep yourself and your pets safe.

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

MADISON, Wis. -- The CDC confirmed the presumptive positive human case of bird flu found in Barron County this week, the Wisconsin Department of Health Services said Friday. The DHS first ...