Bird flu led to the deaths of nearly 50 million domestic birds in 2024 and more than 19 million already this year, according to USDA. Any poultry farm where the virus is detected must put all its ...

Avian influenza, or bird flu, is a broad term that refers to several types of influenza that normally infect birds. The bird flu that’s been making news in the United States is a virus called H5N1.