Officials said the Avian flu has been detected in milk from cows found on an Arizona farm. Here's what we know.

In the last outbreak of bird flu, more than 200 commercial flocks and 21 backyard flocks in the U.S. were affected, leading to the deaths of more than 50 million birds between 2014 and 2015.

The Arizona Department of Agriculture (AZDA) has confirmed a new detection of H5N1 avian influenza in milk from a Maricopa ...

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

People who feed geese, ducks and some other wild birds could contribute, albeit unintentionally, to the spread of avian flu. Kelly Bostian, Tulsa World Archive ...

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.

Experts urge U.S. to prepare for possible new pandemic as H5N1 bird flu outbreak spreads with dairy animal and human cases. Here's what to know.