A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.

Northwest Naturals is recalling a line of its pet food after authorities Oregon linked the death of a cat to a batch ...

Health officials were warning residents Wednesday not to feed their pets raw food following a voluntary recall of Northwest ...

The bird flu outbreak has spread to all 50 states, these maps show. Here are the symptoms and what to do if you think you ...

Millions of egg-laying flocks in California have been lost to the bird flu this year. It comes as the cost of eggs rose in ...

The virus is passed from animals to people. While the current public health risk is low, people are encouraged to take precautions.

California Gov. Gavin Newsom declared a public health emergency on Wednesday as bird flu continues to spread among the ...

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

The California Department of Food and Agriculture has issued a statewide recall of raw milk produced and packaged by Valley ...

Gov. Gavin Newsom declared a state of emergency on Wed. in response to the bird flu outbreak affecting dairy herds. Find out more about the rising cases, its symptoms, and other details below.

A person in Louisiana has the first severe illness caused by bird flu in the U.S., health officials said Wednesday.