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

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

Both H9N2 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of ...

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

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

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

As egg prices continue to soar across the country, there are new concerns about bird flu as a new strain was discovered at a ...

This story incorporates reporting fromU.S. News & World Report, cidrap.umn and scmp.com.The United States has reported its ...

Although the virus has been detected at more than 700 California dairies, not a single non-dairy cow has tested positive, ...

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

The Department of Agriculture warned egg prices may increase more than 20% this year, after December saw a year-over-year ...

A UC Davis veterinary professor explains how bird flu is transmitted, why it’s an “insane outbreak” and the worst-case ...