Since November 2023, more than 12.1 million birds on commercial flocks have been affected in Sioux County, Iowa, alone. In flocks where bird flu is detected, all birds are destroyed to prevent the spread of the disease, according to reporting by Investigate Midwest.

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in herds since last year. U.S.

An emerging strain of highly pathogenic avian influenza has spilled over from wild birds to dairy cows in the state of Nevada, and officials at the US Department of Agriculture (USDA) and some scientists are concerned by a mutation they are seeing.