The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

Prices for white large shell eggs hit $8.97 per dozen. Delivered prices on the California-compliant wholesale loose egg ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

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

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

The different, rarer sub-type of the common avian influenza H5N1 virus has been found on a duck farm in Merced County, ...

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

Bird flu, also known as H5N1, continues to spread among U.S. livestock, driving up egg prices and worrying public health experts.

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