A massive group of dead waterfowl that washed up along the southern shores of Lake Michigan near Chicago and its northern suburbs is believed to be linked to the ongoing bird flu outbreak, wildlife ...

A new nasal spray vaccine could stop bird flu at the door — blocking infection, reducing spread, and helping head off the next pandemic.

At the start of 2025, health officials in Louisiana reported the first U.S. bird flu death and experts questioned whether highly pathogenic avian influenza A (H5N1) could lead to the next pandemic. A ...

Since it was first detected in the U.S. in 2014, H5N1 avian influenza, commonly known as bird flu, has jumped from wild birds ...