Wildlife officials were at a Plymouth, Massachusetts, beach on Friday to collect dead birds amid fears of avian flu.

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

An earlier version of this story reported that the virus had been detected since then.) The number of bird flu ...

H5N9 - has been detected in the U.S. The first confirmed case was found at a commercial duck farm in California.