Avian influenza, commonly known as bird flu, is back in the spotlight. This highly contagious viral infection primarily affects birds but has occasionally jumped to humans, raising global alarm.

MADISON, Wis. -- A case of highly pathogenic avian influenza H5N1 has been identified in a commercial poultry flock in Barron County. According to the Wisconsin Department of Agriculture ...

The California Department of Fish and Wildlife said Friday that the highly pathogenic avian influenza was detected in migratory birds in several counties across the state. Lezlie Sterling ...

The Wildlife World Zoo in Litchfield, Ariz., had six animals test positive for avian flu, with five dying of the infection, the Maricopa County Public Health Department said on Wednesday ...

The Oregon Department of Agriculture will launch a milk testing and monitoring program this week in response to increasing concerns about the spread of avian influenza, or bird flu, in dairy ...

Authorities have advised the public to avoid raw dairy products because of avian flu outbreaks among cows exposed to infected birds. However, the CDC tests have revealed no influenza, a ...

HONOLULU (HawaiiNewsNow) - The state Department of Health announced Tuesday it has detected the H5 avian influenza at a wastewater treatment plant in Hilo, the first detection of bird flu on a ...

The Iowa Department of Agriculture and Land Stewardship announced a case of the highly pathogenic avian influenza has been detected at a commercial egg farm in Sioux County. (Photo by Preston ...