Bird flu cases in Pennsylvania. WOAH refers to the World Organisation for Animal Health, which defines poultry as "all birds reared or kept in captivity for the production of any commercial animal ...

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

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

A commercial game bird flock in Lancaster County, Pennsylvania, has tested positive for avian influenza. The July 2 detection ...

Avian flu, also known as bird flu, occurs naturally in wild birds and can spread the disease to farms and domestic birds. The CDC says more than 171.5 million birds have been affected by avian flu ...

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

Prior to this, nearly a month had passed without any new instances of highly pathogenic avian influenza in a U.S. commercial ...

The avian flu reached a seventh commercial farm in Pennsylvania, affecting more than 19,000 ducks on a Lancaster County farm over the weekend. The brings the statewide death toll to more than 3.8 ...

The shift reflects the current public health situation, marked by declines in human cases as well as animal detections.

A surcharge on eggs has ended at two breakfast restaurant chains, as the price of eggs has come down since the spring.