Seven outbreaks of highly pathogenic avian influenza (bird flu) were reported last month, the Centers for Disease Control (CDC) said yesterday, urging poultry farm workers to enhance protective ...

With CDC reports showing H5N1 avian influenza continuing to devastate poultry flocks and dairy herds across the country, researchers on the University of Wisconsin campus are leading efforts to ...

A different strain of H5N9 has shown up in U.S. birds before.

The first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a widespread risk to the public.

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 ...