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

Echoing results from earlier California investigations into H5N1 infections in domestic cats, an investigation by agriculture ...

The head of a Buckeye-based egg farm believes the federal government should authorize a bird flu vaccine for chickens in ...

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

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

With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.

Biologists treat sick and injured condors in a remote "hospital" in northern Arizona. The birds also receive vaccines to fight the avian flu. The condors ingest lead ammunition when they eat ...