The county is in the west-central part of Michigan's Lower Peninsula.
Kaufman County is in the northeastern part of the state, just outside of Dallas.
Elk Hunt Area 93 is bordered by CWD-positive elk hunt areas 87 and 92 in the northwest part of the state.
Washtenaw County is in the southeastern part of Michigan's Lower Peninsula and is home to Ann Arbor.
The infected white-tailed deer was found in the Prince William County, Virginia, part of the park.
The deer in Adams County, in west-central Illinois, is the first documented case outside of the state's northern CWD-endemic region.
CWD-positivity in hunter-harvested animals ranged from 2.3% in elk to 29% in white-tailed bucks.
Counties reporting their first CWD cases are Audrain, Callaway, Lewis, Marion, Miller, Morgan, and Texas, all of which abut CWD-positive areas.
The newly identified deer, a 4.5-year-old white-tailed buck, was harvested by a landowner helping the DNR with ongoing sampling.
The newly affected counties, identified during the April 2024 to March 2025 CWD surveillance season, include Cedar, Davis, Shelby, Story, and Wapello.
The rest of the 23 CWD-positive deer harvested by hunters during the 2024-25 hunting season were found in Allen, Hardin, Marion, and Wyandot counties.
The state DNR said that 89% of the positive cases were found in the Southern Farmland Zone.
Of 142 deer farms and hunting ranches in Wisconsin, a third have been hit with CWD since 2001.
The cases were detected in white-tailed deer in the Panhandle Region of northern Idaho.
West Virginia detected cases within 10 miles of the county border, triggering the addition, officials said.
All cases were from the western part of the state, including 2 from previously unaffected hunting units 3B2 and 3B3, both in the western-central region.