MISSOULA — Millions of birds across the United States have been impacted by avian influenza, also known as the bird flu, ...

This colorized electron microscope image released by the National Institute of Allergy and Infectious Diseases on March 26, ...

No human cases have been reported this year in Connecticut. But the disease has been detected in people connected with farms ...

Canada has had its first commercial poultry flock infected with the H5N2 serotype of highly pathogenic avian influenza (HPAI) ...

A Canadian teenager is hospitalized in critical condition with suspected bird flu, health officials reported Tuesday.

New CDC research suggests that a small but significant percentage of dairy farmers working near infected cows have recently ...

The CDC said Thursday it is updating its recommendations for testing, treatment and protection for workers who may be exposed animals infected with bird flu.

Health officials have detected highly pathogenic avian influenza in a flock of commercial turkeys in Sacramento County, the ...

Emails show concerns about potential human-to-pet transmission, with cases in cats now confirmed in multiple states.

U.S. Secretary of Agriculture Tom Vilsack said the U.S. Department of Agriculture and state departments of ag should work to ...

As bird flu cases spread in both livestock and agriculture workers, the Department of Agriculture is taking steps to stop the spread of the virus.

Five pigs on a noncommercial farm in Oregon were tested for the virus after other animals fell ill. As NBC News points out, "pigs can become infected with both bird and human viruses at the same time, ...