The closely-spaced deaths of two cougars in Washington state suggest the virus is likely more widespread than thought.

Mexico has detected its first human case of H5N1 avian influenza, also known as bird flu, the health ministry said on Friday.

Texas A&M Veterinary Medical Diagnostic Laboratory helped detect highly pathogenic avian influenza in dairy cattle a year ago.

The State Key Laboratory for Emerging Infectious Diseases at the University of Hong Kong (HKU) and the InnoHK Center for ...

Bird flu has been detected in four dairy farms in San Bernardino County within the last 30 days; the first in the county ...

The new sequence data likely originates from recently infected California herds with the more common ... The United States has stockpiled three licensed, pre-pandemic H5N1 vaccines, but they do not ...

Amid the statewide outbreak of bird flu, San Bernardino County officials repeated the call last week to poultry and dairy ...

A dangerous bird flu, in other words, was suddenly circulating in mammals—mammals with which people have ongoing, extensive ...

California and other states are suing the Trump administration over plans to cut billions of dollars in grants designed to ...

The cougar was euthanized, and his tissue samples, which were tested for a number of diseases, revealed the presence of the H5N1 strain of avian influenza, or bird flu. Less than two weeks later, ...

In recent news appearances, Department of Health and Human Services Secretary Robert F. Kennedy Jr. has suggested allowing ...