The H5N1 strain of avian influenza—commonly known as bird flu—has been circulating among wild migratory birds for the past two years, with substantial spillover into poultry farms. But what's sparking ...

A dairy worker in Michigan contracted an eye infection on a dairy farm where H5N1 had been identified in cows. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Dairy cows feed at a dairy farm near Corcoran, Calif. Seven out of 10 herds that have been found to be infected with avian flu are in the state. Avian flu, highly contagious and damaging to poultry ...

The recent spread of avian influenza in dairy cattle in the U.S. has startled even some scientists who've tracked a global outbreak of the virus over the last few years. "There's a heap of unknowns ...