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

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.

A global outbreak of avian flu has reached Arizona, affecting animals and humans. Officials say the public health risk ...