A case of Avian Influenza, commonly known as bird flu, was detected in a backyard flock in Montgomery County, Maryland.

COLUMBIA — Flu cases in Missouri have been on the rise for the past few weeks. "Usually, January-February are peak times when influenza is going around," MU Health Care doctor Amruta Padhye said.

The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

In April, the tally of affected birds in New York was about 25,000. The bird flu outbreak raised alarms in late ...

The current bird flu outbreak in Massachusetts is the largest the state has ever seen. Here's why officials believe it has ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

More Oklahoma school districts are closing their doors Friday in an attempt to stop the spread of the flu. Oklahoma City ...