For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

The virus, which scientists call H5N1, has spread like wildfire around the globe in recent years, surprising and horrifying ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at ...

California hasn't seen a recurrence of widespread bird flu at poultry and egg ranches in the state since early this year.