The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC ...

The U.S. Department of Agriculture (USDA) has ramped up its fight against the spread of highly pathogenic avian influenza ...

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s ...

Northwest Naturals is recalling a batch of its pet food after a cat died from bird flu, which was found in the cat food. Bird ...

According to the CDC tracker, there have been 66 confirmed cases of bird flu reported in humans since the start of the ...

Growing concerns surrounding the transmission of H5N1 bird flu. The CDC reports that samples collected from a severely ill ...

There's a new concern that the virus could evolve to spread from human to human.

The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...

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