State officials are confirming a suspected outbreak of avian flu among chickens at a large commercial egg farm in Weld County ...

Colorado officials declared a disaster emergency after a presumptive bird flu outbreak hit a facility with 1.3 million ...

The New York State Department of Environmental Conservation (DEC) announced Thursday that it had five preliminary positive cases of highly pathogenic avian influenza, or bird flu, in Suffolk County.

A new nasal spray vaccine could stop bird flu at the door — blocking infection, reducing spread, and helping head off the next pandemic.

State agriculture officials announced this week that the highly pathogenic H5 avian influenza, known as bird flu, was ...

Since it was first detected in the U.S. in 2014, H5N1 avian influenza, commonly known as bird flu, has jumped from wild birds ...

Colorado Lt. Gov. Primavera, as acting governor, issued a verbal disaster declaration for avian flu in Weld County.

Colorado Lt. Gov. Dianne Primavera issued a verbal disaster declaration Thursday night for an outbreak of "highly pathogenic ...

Five wild birds in Suffolk County have tested positive for bird flu over the last two months, according to federal data.

Colorado quietly flipped into disaster mode Thursday night, after a suspected bird flu outbreak at a massive Weld County egg operation pushed Lt. Gov. Dianne Primavera, temporarily acting as governor ...

Lt. Gov. Dianne Primavera verbally declared a disaster in Weld County for an outbreak of highly pathogenic avian influenza.

Another Georgia commercial poultry flock has tested positive for bird flu, the third such case in less than a month in the state, agriculture officials said.