H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in domestic cats ...

More than 60 dead birds were found at Billington Sea in Plymouth over the weekend. Local experts suspect the avian flu was the culprit.

A farm in the Long Island area of New York has been forced to euthanize over 100,000 ducks after a bird flu outbreak.

President Trump announced he's pulling the U.S. from the WHO. Now researchers are scrambling to understand what that means for the H5N1 bird flu pandemic.