With so much H5N1 circulating in the U.S., scientists worry we are a few mutations away from a potential human pandemic.

Bird flu has been detected in Arizona dairy cattle milk, and a dairy farm has been placed under quarantine as a precaution, ...

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

A new strain of avian flu, H5N1, has spread to dairy cows and domestic cats in the U.S., with a dairy worker in Nevada ...

Bird flu remains a growing problem across the U.S., and many of us have questions about how serious it is and how worried we ...

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.

The first human case of bird flu in Nevada was caught by a dairy worker earlier this week, marking it the state's first human ...

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our fight against the virus.

A recent study by the Centers for Disease Control and Prevention (CDC) that was supposed to be made public weeks ago, but was ...

The Public Health Agency of Canada said Wednesday it's purchased 500,000 doses of a human vaccine to protect against avian influenza for those most at risk from being exposed to the virus by infected ...

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

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