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

A new bird flu (highly pathogenic avian influenza) outbreak has been discovered in California. The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to ...

As California’s Central Valley makes headlines for the growing ... Vohra explains what we know about bird flu, both the H5N1 and H5N9 variants, and the precautions we can take to prevent it from ...

This H5N9 outbreak occurred on a duck farm in Merced, California, and has been reported to the World Organisation for Animal Health. While H5N9 has been found in poultry before, this is the first ...

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania School of Veterinary Medicine. (Anis is part of a lab that conducts national ...

A new strain of bird flu has been detected on a duck farm in California. The World Organisation for Animal Health reported the outbreak of the new strain, H5N9, earlier this week.

New strain of bird flu detected in California as H5N9 detected on a duck farm in Merced County, California, David Murray ...

California. The H5N9 strain has been detected before in North America among wild birds over the past two years. The strain was even detected in turkeys in Wisconsin in the 1960s, the earliest ...

WEDNESDAY, Jan. 29, 2025 (HealthDay News) -- A new strain of bird flu, H5N9, has been detected for the first time in the ...

Health officials found H5N9 on a duck farm in Merced County, California, where the more common strain of the virus was also detected. Nearly 119,000 birds exposed to the virus have been killed ...

The Trump administration would do well to follow the lead of Maryland, which is taking decisive action to stop the spread of ...