A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) announced on Wednesday. Until recently, all dairy herd detections in the U.S.

The highly pathogenic bird flu virus that has surfaced in a Wisconsin dairy herd is not a lingering ember from earlier outbreaks in cattle. It is a fresh jump from wildlife into livestock, a new ...

The findings show how the H5N1 bird flu virus is evolving in livestock and what that may mean for human health.

The strain of bird flu that infected a Michigan dairy worker in May 2024 is capable of airborne transmission, according to new research from the CDC.

The patient has recovered and the risk to the public remains low, according to health officials who announced the case. A Michigan dairy worker has been diagnosed with bird flu — the second human case ...

Bird flu—specifically H5N1—is no longer just a poultry problem in Asia. What started as a major United States outbreak, first ...

DES MOINES — The U.S. Department of Agriculture has sent a “strike team” to Iowa to assist it with testing after the highly contagious bird flu usually associated with poultry flocks now has been ...

A line of Holstein dairy cows feed through a fence at a dairy farm in Idaho on March 11, 2009. automation A second person in the United States has been infected with bird flu, health officials said ...