A Michigan animal sanctuary owner alleged state authorities were inhumane when they culled her birds. She changed the state's H5N1 depopulation code.

The CDC says bird flu is a disease caused by avian influenza A viruses (H5N1) that usually spread between birds, not people.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States ...

Don’t be a hero if you spot birds or animals showing signs of avian flu (dead or distressed birds, multiple signs of sickness ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...