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 infection.

There have been reports of bird flu cases throughout the U.S. and one confirmed case in Louisiana. Here's what the CDC says ...

H5N1 usually spreads to people through contact with infected or dead birds, as with the Louisiana patient. Currently, there ...

A southwestern Louisiana resident has been hospitalized with the first presumptive human case of Bird Flu. Here's what to ...

The Centers for Disease Control and Prevention (CDC) has identified mutations in a strain of the avian influenza virus H5N1, ...

The Health (LDH) announced on December 13 the detection of the first presumptive positive human case of highly pathogenic ...

Testing has confirmed a case of avian influenza in a backyard flock in Bossier Parish, Louisiana. The backyard flock owner ...

A genetic analysis of the H5N1 bird flu in a Louisiana patient reveals potential mutations for human transmissibility, says ...

In a case first reported in Louisiana, a patient has now developed the first known case of bird flu so severe as to require ...

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

The California Department of Food and Agriculture (CDFA) on December 14 announced a recall of raw milk from a second producer ...

The declaration of a state of emergency in California over avian influenza comes within days of the first severe human case ...