The infections were reported by Arkansas, Wisconsin, and Manitoba, Canada.
Listen to a recording of our Dec 3, 2025, webinar on vertical CWD transmission. Experts discussed the implications of vertical transmission for free-ranging white-tailed deer herds, and Cory Anderson, PhD, MPH, of CIDRAP's CWD team, moderated a Q&A session after the discussion.
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The fatal prion disease has now been confirmed in 32 states.
Utah officials say the prion disease, which is found in deer and other cervids, appears to be spreading in the state.
All deer at the facility had earlier been euthanized, and testing revealed no additional CWD cases.
The state had recently announced the first detections in two other counties, including one that neighbors the newly affected location.
CWD had recently been detected about 100 miles from the newly affected area.
Following the state's first detection in 2018, CWD has now been found in 17 counties.
The center also works to address other protein-misfolding disorders such as Alzheimer's and Parkinson's diseases and amyotrophic lateral sclerosis.
The buck, which carried a GPS tracker, died in the middle of October.
This case will likely be managed differently than the 2021 detection because of migration patterns, officials said.
The farm is in quarantine with an investigation underway.
