The move by U.S. health officials to start makinga vaccine against the new strain of bird flu is a good idea, regardless of whether the virus ultimately changes, as flu viruses often do, experts say.

There is no evidence the youngster was exposed to livestock or any infected animals, deepening the mystery about the spread of H5N1 bird flu.

The first human to have ever been infected with the H5N5 strain of bird flu has died, Washington state health officials confirmed late Friday. The person was an older adult with underlying health ...

The Centers for Disease Control and Prevention on Thursday urged labs nationwide to determine within 24 hours of admission whether people hospitalized with the flu have seasonal influenza or are ...

Wild birds recently found at locations across Los Angeles County — including in the San Fernando Valley — have tested ...

A Washington resident died of complications from an infection with a bird flu strain never before reported in humans, the state Department of Health said on Friday.

Although bird flu infections in humans remain rare, this case marks a significant development in flu surveillance in the U.S.

The first person to contract H5N5 avian influenza, a rare strain of the disease known as bird flu, died in Washington state Friday. The state’s Department of Health said in a release the resident of ...

A Washington state resident who was undergoing treatment for H5N5 avian influenza died on Friday, the Washington State Department of Health reported. | A Washington state resident who was undergoing ...

While it remains seasonal in poultry, the disease is spreading in dairy cows and infecting hundreds of other ...

Five birds across LA County tested positive for highly pathogenic avian influenza H5, also known as H5 bird flu, officials ...

State wildlife crews removed more than 70 dead vultures from the athletic fields near St. Bernadette School on Friday, days ...