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

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

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

In California, the average price for a dozen large eggs was $8.97, according to the US Department of Agriculture. The average ...

The government is investigating a rare strain of avian flu, H5N9, detected on a duck farm in central California, according to ...

Corwin was forced to lay off 48 workers but kept 20 to help with the clean up. He said the company was successful in ...

The last duck farm on New York's Long Island is facing an uncertain future after a bird flu outbreak forced the culling of ...

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.

A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been discovered in ...

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

As the price for a carton of eggs continues to soar nationwide, so does the number of bird flu cases. Now, a new variant has ...

The first confirmed case of H5N9 bird flu in the United States has been identified in Merced County, California, and control ...