The U.S. is reporting its first confirmed outbreak of H5N9 avian flu at a California duck farm amid a global surge in its ...

Rose Acre Farms, the nation's second largest egg producer, said yesterday that tests have confirmed avian flu at its facility ...

The number of bird flu cases in Central Massachusetts is relatively low, compared to a swath of the state that runs from ...

Dairy cattle in New Hampshire will soon be tested for avian flu in an effort to keep people who work with livestock safe.

Seven in 10 US adults support requiring schoolchildren to be vaccinated against infectious diseases such as measles, and over ...