As bird flu makes headlines with its first severe U.S. case, experts share crucial information about symptoms, risks, and ...

The first severe H5N1 bird flu case in the US raises alarm as experts discuss symptoms, risks, and vaccine development for ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

The Centers for Disease Control and Prevention called it the first severe case in the U.S., though the risk to most of the public is still low.

The bird flu outbreak has spread to all 50 states, infecting dairy cattle, poultry farms and 61 humans across the country.