Highly pathogenic avian influenza, commonly called bird flu, struck poultry facilities in several states this year. That ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Bird flu affected at least half of Nathan Brearley’s 500 dairy cows, with initial losses estimated at $100,000. In hindsight, ...

Colorado's outbreak of avian flu in poultry and dairy cattle seems to have died down, though the state continues to monitor farms for signs of the virus.

Avian flu in dairy cows could stick around on US farms forever, and is raising the risk of outbreaks in mammals—including ...