If the Prion and Public Health Office is shuttered, human CWD cases could go unnoticed, and it will be too late to mitigate the consequences, experts say.
Register for a webinar on vertical CWD transmission at noon Central on December 3, 2025. Experts will discuss the implications for free-ranging white-tailed deer herds, followed by a Q&A session moderated by Cory Anderson, PhD, MPH, of CIDRAP's CWD team.
The report provides useful guidance to professionals at human, animal, and wildlife health agencies; academic researchers; and medical practitioners who will be tasked with responding to any human or non-cervid animal chronic wasting disease spillover.
The CIDRAP CWD Resource Center hosts webinars featuring natural and international experts.
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Counties reporting their first CWD cases are Audrain, Callaway, Lewis, Marion, Miller, Morgan, and Texas, all of which abut CWD-positive areas.
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 newly affected counties, identified during the April 2024 to March 2025 CWD surveillance season, include Cedar, Davis, Shelby, Story, and Wapello.
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.
The infected white-tailed deer was found in the Prince William County, Virginia, part of the park.
Wyoming's Horse Creek becomes the 4th elk feeding ground in the state to test positive since January, and Louisiana's Catahoula Parish reports the first case in wild deer outside of Tensas Parish.
Grant County, in the northeast part of the state, was added to the state's CWD containment area in 2015 because it is near other counties with CWD-positive cases.
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.
