The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the USDA ...

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

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

We talked to experts about where the science is on risks to humans and how the virus is messing with the food supply.

The woman had a backyard flock of chickens that got sick and died, a CDC spokesperson said Saturday. The state health ...

Poultry flocks infected with bird flu are culled to prevent the spread of the virus whereas culling wild birds is generally ...

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

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

H5N9 has the potential to be more virulent for birds and other farm animals, but it is important to know that it does not pose any greater risk to humans, says Rais Vohra, MD, professor at UC San ...

U.S. health officials announced that a new strain of avian flu, H5N9, was discovered on a duck farm in Merced County, California. They quarantined the farm and ...

The Highly Pathogenic avian influenza virus is a highly contagious disease that spreads among birds and other animals.