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

The nearly two-month-long stretch without any new instances of highly pathogenic avian influenza (HPAI) in U.S. commercial ...

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

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

The H5N1 virus, initially restricted to Eurasia and Africa, has since spread to North and South America and even reached ...

The avian flu virus has been widespread in U.S. poultry as well as herds of dairy cows, raising alarms that the virus might ...

Colorado’s outbreak of avian flu in poultry and dairy cattle seems to have died down, though the state continues to monitor ...

Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

Few states put on a show like the World Dairy Expo in Wisconsin, where 50,000 visitors from nearly 100 countries will see ...

Bird flu has been spreading in dairy cows in the US—and the scale is likely to be far worse than it looks. In addition, 14 ...

San Diego County is now the fifth location in California to detect the bird flu, county officials announced Monday.