The sources of exposure are unclear, but officials said it was almost certainly from contact with an infected waterfowl.

The bird flu was detected in a backyard flock of various birds on Wednesday, according to officials with the Connecticut ...

A harbor seal and a Chilean flamingo died from the bird flu this month at the Lincoln Park Zoo in Chicago, officials said.

Two animals at a Chicago zoo died from bird flu, and the first human bird flu death was reported in this southern state.

If you’d asked me while I was waiting for the train Wednesday morning, I would have told you through chattering teeth that ...

Due to ongoing sporadic H5N1 avian flu infections and brisk levels of seasonal flu activity, the US Centers for Disease ...