Two human cases of H5N1 avian flu have been confirmed in San Joaquin County, health officials reported Friday. The cases ...

A southwest Louisiana resident has been hospitalized with the state’s first recorded case of bird flu, or H5N1, a highly ...

The Louisiana Department of Health said on Friday it has detected the first presumptive positive human case of H5N1 bird flu ...

The Louisiana Department of Health (LDH) reported that a resident in southwestern Louisiana is hospitalized with the state’s ...

A bird flu virus spreading widely among U.S. cattle only needs to change slightly to potentially pass between humans, ...

The potential mutation would allow the avian influenza virus sweeping through dairy herds to attach to a receptor protein on ...

Both state and federal health officials stressed that the risk of the general public contracting bird flu is low.

A new study finds tweaking part of the H5N1 virus infecting dairy cows in a single spot could allow it to better attach to ...

California researchers suggest the virus’ path to becoming a threat to humans is much shorter than previously believed.

Bird flu can't spread between humans. But governments around the world are stocking up on vaccines in case one day it does.