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

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 California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

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

The bird flu has been infecting American flocks for years, leading to a series of infections and increased egg prices. But ...

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...

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 is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a ...

In today’s Health Alert, a new strain of bird flu - H5N9 - has been detected in the U.S. The first confirmed case was found ...

This week, the World Organization for Animal Health reported that it had been notified by the USDA that a November outbreak ...

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it ...