Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Boulder County Health officials said the bird was found on private property near a flock of chickens kept in a run.

More than 300 dead wild birds have been collected by Michigan's Department of Natural Resources in 2025. Avian flu is ...

Anxieties are high as experts warn the avian flu outbreak could worsen in the spring, but egg prices are spurring more ...

State wildlife officials are receiving reports of dead wild birds in southern Michigan during the current bird flu outbreak.

Massachusetts officials are warning of a widespread bird flu outbreak suspected in the deaths of hundreds of wild birds. The ...

For most of last year, Utah saw few cases of avian flu. That changed in the fall, and more cases are being reported, state ...

Egg prices are expected to increase by 20% in 2025, largely due to the spread of a highly pathogenic avian influenza ...