Egg prices are on the rise again as a lingering outbreak of bird flu coincides with high demand during the holiday baking ...

Efforts to contain the virus are falling short. A teenager in Canada is in critical condition after an unexplained infection.

By the end of the day, avian flu had been discovered among some of those chickens. By the end of the week, four workers came ...

The spread of bird flu continues to trouble scientists. They say there is no indication that the U.S. has the outbreak under control. And now, a more concerning version of the virus has cropped up.

However, poultry affected by avian influenza can show: Decreased food consumption, huddling, depression, closed eyes; Respiratory signs, such as coughing and sneezing; Decreased egg production or ...