Add Yahoo as a preferred source to see more of our stories on Google. In early March, Dr. Barb Petersen, a large-animal vet in Texas, began getting calls from the dairy farms she works with in the ...

Cow udders may provide a hotspot for bird flu and human flu viruses to mingle. The prospect of an outbreak of avian influenza among dairy cattle triggering a pandemic in humans is one step closer than ...

Another dairy farm worker in Michigan has been infected with avian influenza virus, state and federal health officials reported Thursday. The case marks the third time the outbreak of bird flu in ...

Scientists have proven how cows have spread H5N1 bird flu across the country and infected other cows, wild birds and even mammals like cats and raccoons, according to research published in Nature ...

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 ...

Avian influenza has raged through Michigan's bird population for two years, forcing commercial farmers and people with backyard coops to kill nearly 6.8 million infected chickens and turkeys, ...

Cows have entry portals for both human and bird flus. This new finding may mean that cattle could host both types of flus at once. The two viruses could then swap parts to create a new type of ...

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, an ...