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

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

A new strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported ...

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 ...

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

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

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a ...

Experts stressed that the new strain did not itself appear to be an immediate human threat. But the rise of a new strain is troubling and points to the risk of a viral phenomenon known as ...

A new strain of bird flu — H5N9 — has been detected in California’s Merced ... that researches and reports on animal diseases — testing of ducks at the farm showed the animals had been ...

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