After a bird flu outbreak, the first live ducks have returned to Crescent Duck Farm in Aquebogue after the USDA  lifted the final quarantine of the 140-acre farm.

The affected poultry farm was in quarantine and steps to eliminate the virus were underway, the Arizona Department of Agriculture said.

As bird flu sweeps across US poultry and cattle farms, researchers are racing to find ways to contain the outbreaks before they ignite a human pandemic. Now, a team of scientists has developed a fresh approach: the first mRNA bird-flu vaccine for cattle.

Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of new human cases have stopped.

A USDA testing program has found that cows on Vermont's dairy farms do not have bird flu and that Vermont is unaffected by the virus.

How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way for the outbreak we’re seeing today.

Zoetis received conditional USDA approval for an avian flu vaccine. Major poultry and dairy organizations back vaccine use to control the virus. The Trump administration is rolling out a new ...

Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of new human cases have stopped.