The presence of highly pathogenic avian influenza, or H5N1 bird flu, has been confirmed after officials worked to quarantine ...

When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

Mississippi has confirmed H5N1 in a poultry flock. The birds are not part of food supply chain. What you need to know about ...

Iowa has its first confirmed case of H5N1 bird flu in a poultry farm worker, the state's public health department announced.

Highly pathogenic avian influenza was confirmed by Vermont officials last week in Franklin County. Footage shows the moment ...

Northwest Naturals recalled their 2lb Turkey raw cat food due to HPAI detected after a cat fell ill. Consumers are urged to ...

Los Angeles County health officials have identified three more cats with presumptive H5N1; the source of the virus has not ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

Reports that cows have been infected despite farmers' preventive measures indicate there are multiple routes of transmission ...

A person in Louisiana has been hospitalized with the United States' first serious case of H5N1 bird flu, following 60 milder ...

Louisiana reported a person hospitalized with a severe case of H5N1, and the USDA has begun bulk milk testing ...

At baseline, bird flu is usually severe in humans. Of the 863 reported H5N1 bird flu cases reported worldwide between 2003 ...