A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

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

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

A genetic analysis of viral samples from a patient in Louisiana hospitalized with the first severe case of bird flu showed ...

The CDC's analysis revealed changes in the hemagglutinin (HA) gene, a critical component for the virus's ability to attach to ...

A genetic analysis of the bird flu in the body of a Louisiana man who contracted the first severe case found it mutated ...

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

A person in Louisiana has the first severe illness caused by bird flu in the U.S., the Centers for Disease Control and Prevention announced Wednesday. Officials determined the patient had exposure ...

There have been 61 reported human cases of bird flu reported in the U.S. since April, according to CDC data. Almost all confirmed cases have had direct contact with infected cattle or infected ...

The Centers for Disease Control (CDC) confirmed the first case of "severe" avian influenza, commonly known as bird flu, less than a month after a child in California was diagnosed with the virus.