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

Nebraska's first reported case of West Nile virus for the 2025 season was detected in the East Central District Health Department.

This San Antonio, Tex., lab takes biosecurity seriously. Suit up with its scientists and go behind the scenes of the science of vaccine creation.

H5N1 has led to a bird flu outbreak in humans the U.S. Will it cause a pandemic? Experts warn about virus mutations as first U.S. patient dies in Louisiana.

North Dakota has its first confirmed case of bird flu in a domestic poultry flock this year, amid the ongoing national outbreak.

Protection zones have been put in place in two areas of Wales where there are confirmed cases of bird flu. Cases have been confirmed at a poultry small-holding of 120 hens near Haverfordwest ...

Long Island’s last commercial duck farm is rebuilding after a bird flu outbreak forced the destruction of its entire ...

Long Island’s last commercial duck farm is rebuilding after a bird flu outbreak forced the destruction of its entire 100,000-bird flock in January.

The World Organisation for Animal Health (WOAH) considers a bird flu outbreak on a commercial farm in Brazil as "resolved," a page detailing the case on WOAH's website showed on Friday.

The person was over the age of 65 and had underlying medical conditions. They were hospitalized last month with the U.S.'s first severe bird flu case.

Amidst an ongoing outbreak of a deadly bird flu virus in livestock, the US Department of Agriculture is doing more to prevent the spread than public health agencies are ...