New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

U.S. Secretary of Agriculture Brooke L. Rollins recently provided an update on the U.S. Department of Agriculture’s ...

From the outset of the Trump administration, bird flu, or H5N1 avian influenza, has flown rather conspicuously — and in fact ...

The U.S. Centers for Disease Control and Prevention (CDC) announced it is streamlining its H5N1 highly pathogenic avian ...

The map shows the ports of entry affected by the U.S. Agriculture Department’s announcement and the approximate locations of ...

The Trump administration is suing the state of California to block animal welfare laws that it says unconstitutionally helped ...

The catastrophic Central Texas floods have claimed at least 121 lives and left 173 missing, as a report reveals that Kerr ...

The Centers for Disease Control and Prevention ended its emergency response to bird flu as the outbreak that sickened dozens of people, spread to cattle, and drove up egg prices has abated.

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

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

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