The patient was experiencing "flu-like symptoms" and had "health conditions that can make people more vulnerable to illness," ...

State agriculture officials confirmed Tuesday that a dairy farm in Maricopa County tested positive for bird flu – Arizona's first detection of the virus in milk. The Arizona Department of Agriculture ...

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

Now that the cattle, poultry, and animals in the wild in India at several places have been confirmed to have caught the H5N1 ...

More Americans may have had bird flu without suffering any symptoms, a new study finds. That could allow the virus to mutate into something more dangerous.

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

A dairy facility in Maricopa County has been placed under quarantine after avian flu was detected in its milk supply, the agriculture department said.

A study published Thursday by the Centers For Disease Control and Prevention suggests bird flu infections in humans are being ...

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

The Arizona Department of Agriculture (AZDA) has reported the first positive test for H5N1 avian influenza in milk produced ...