(CNN) — In early March, Dr. Barb Petersen, a large-animal vet in Texas, began getting calls from the dairy farms she works with in the Panhandle. Workers there were seeing a lot of cows with mastitis, ...

Editors note: HPAI was confirmed in a dairy herd in Idaho on April 2. A previous version of this story stated that the herd's positive test results for bird flu were still pending. In late March, bird ...

A positive human case of the avian flu at a Texas dairy farm is sparking concern across the country about milk supply among cows. According to the Center for Disease Control (CDC), avian influenza or ...

The case was confirmed in a dairy worker in Colorado. The fourth human case of bird flu linked to the current dairy cow outbreak was confirmed on Wednesday in a dairy worker in Colorado, according to ...

An unassuming brown bovine from the south of Brazil has made history as the first transgenic cow capable of producing human insulin in her milk. The advancement could herald a new era in insulin ...

A new type of bird flu has been detected in a human dairy worker in Nevada. This strain is different from the version that’s been spreading in herds since last year, according to the Centers for ...

The fourth human case of bird flu linked to the current dairy cow outbreak was confirmed on Wednesday in a dairy worker in Colorado, according to the Centers for Disease Control and Prevention.