Missouri reported its first confirmed human case of bird flu in a person who reported no exposure to animals, the state's health department said Friday. The case brings the national total to 14 so ...

A person hospitalized with bird flu in Louisiana is the first "severe" human H5N1 case in the U.S., the CDC says. What to know about bird flu symptoms in humans.

The H5N1 bird flu has been spreading widely among wild birds, poultry and other animals around the world for several years, and starting early last year became a problem in people and cows in the U.S.