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

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

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

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and ...

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 ...

Dairy cows crowd a fence waiting to be milked in Ridgeway, Minn., in April 2024. Samples from each of Minnesota's 1,625 ...

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

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

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

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...

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