Los Angeles County health officials have documented the first known transmission of highly pathogenic avian influenza A(H5N1) ...

Bird flu is back, and your backyard chickens could be at risk. Here's how to spot it and keep them safe.

The Trump administration has intervened in the release of important studies on the bird flu, as an outbreak escalates across the United States. One of the studies would reveal whether veterinarians ...

A potential case of bird flu jumping from a domestic cat to a human has been documented for the first time. The U.S. Centers for Disease Control and Prevention (CDC) confirmed in a study published May ...

Moderna surged as investors turned eyed potential demand for a vaccine to protect against bird flu after the US reported its ...

The expanded protocols come after a child in California tested positive for the bird flu despite no known contact with animals. The Centers for Disease Control issued a health alert calling for the ...

The Centers for Disease Control and Prevention said Thursday that testing of a person with a severe case of bird flu indicated the virus had mutated when compared with samples taken from infected ...

The Centers for Disease Control and Prevention on Friday confirmed the first case of avian influenza detected through its national influenza surveillance system. It is also the first human case the ...

Australia has confirmed its first H5N1 bird flu cases. Here’s what that means for people, wildlife, poultry and your weekly ...