What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

The deaths of two snowy owls, one in RI and one in Massachusetts, has saddened bird watchers and left some wondering if they ...

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

Turkeys in a commercial Sampson County flock have tested positive for highly pathogenic avian influenza, the N.C. Department ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

US officials are investigating the appearance of a strain of bird flu identified in the US for the first time, a worrying ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

The humble egg, one of nature’s perfect foods, a self-packaged, relatively inexpensive source of protein that can serve as a ...

A new bird flu strain was detected on a California duck farm. But what's the difference between H5N9 and H5N1, and is it safe ...

Bird flu is suspected to be the cause of several dead wild birds in several areas of the state including Plymouth, Boston and ...

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed more H5N1 avian ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.