The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.

The rise of bird flu across farms in California has raised questions about the virus and its potential threat to humans.

The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different influenza viruses mix.

Though H5N1 has been circulating nationwide in wild birds, domestic poultry, and mammals since 2022, you may have only been ...

In Michigan, it’s been detected at 14 commercial farms and 27 backyard flocks, affecting more than 7 million birds. Most of ...

Dozens of cats across the U.S. have tested positive for avian flu, federal officials say. The west coast has been hit especially hard.

The U.S. Department of Health and Human Services announced Friday it will award $306 million in additional funding to monitor ...

Hundreds of dead birds have reportedly been falling from the sky in dystopian scenes in Pennsylvania. Wildlife officials ...

Although bird flu has been around for a while, University Health Chief Medical Officer Dr. Bryan Alsip said its dangers are ...

Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.