A sample of milk from a herd of dairy cows in Maricopa County has tested positive for H5N1 avian influenza, or bird flu, according to the Arizona Department of Agriculture.

State agriculture officials confirmed Tuesday that a dairy farm in Maricopa County tested positive for bird flu – Arizona's ...

Avian influenza has been detected in milk from a dairy herd in Maricopa County, according to the Arizona Department of ...

Health officials have confirmed that bird flu has been detected in milk from a cattle herd at a Phoenix-area dairy facility.

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

A new Centers for Disease Control and Prevention study suggests that bird flu may be spreading under the radar in the U.S. In ...

Nevada confirmed its first human case of bird flu, from the same strain, D1.1, that killed a Louisiana man in January.

Bird flu has affected more than 2.2 million birds in Pennsylvania this year. The state is funding efforts to protect flocks ...

Widespread funding cuts across the government and new restrictions on funding for National Institutes of Health grants have also created uncertainty among infectious disease researchers and local ...

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...

This week, for the first time in Ohio history, a man living a little more than an hour northwest of Dayton tested positive for bird flu.