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

A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...

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 says a batch of Feline Turkey Recipe tested positive for bird flu. One cat has died in connection with the ...

A Louisiana woman with the first severe case of bird flu in the US had a mutated form of the disease that may make it more ...

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

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

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

The Stanislaus and San Joaquin County sheriff's offices said they were aware of the reports, but that none have been credible ...

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

California declared a state of emergency this week over the spread of bird flu in the state as the virus continues to be ...