Latest data shows which counties have been hardest hit by bird flu outbreaks among poultry flocks as the human case count climbs.

At least one bird from a commercial poultry operation in Lancaster County has tested positive for highly pathogenic avian ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...

See map as virus continues to wreak havoc State and federal officials recently implemented new testing initiatives on dairy farms as part of a "proactive response to the outbreak of bird flu in ...

A newly released map from Newsweek, leveraging data from the U.S. Department of Agriculture (USDA), sheds light on the extent of bird flu outbreaks in poultry flocks across the country since 2022.