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 School of Veterinary Medicine. (Anis is part of a lab that conducts national ...

If bird flu is only spreading through direct animal contact, how did veterinarians with no known exposure get infected?

Avian influenza continues to fuel egg shortages. Plus, a delayed CDC study on household cats reveals concerning human ...

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

So far, most people with documented cases of bird flu have had mild symptoms that you would associate with a cold or standard flu - fever, cough, runny nose, sore throat and nasal congestion—and one ...

WASHINGTON: The US Department of Agriculture is trying to re-hire several employees it accidentally fired at the weekend who ...

A recent CDC MMWR report shows three new asymptomatic human cases of bird flu, suggesting the virus may be silently spreading ...

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 ...

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 ...

Since 2021, experts have seen bird flu — also called H5 influenza or highly pathogenic avian influenza (HPAI) — spreading ...