Bird flu has been detected in Arizona dairy cattle milk, and a dairy farm has been placed under quarantine as a precaution, according to officials.

A new Centers for Disease Control and Prevention study suggests that bird flu may be spreading under the radar in the U.S. In ...

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our fight against the virus.

Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the ...