Chronic Wasting Disease Detected in New York Deer Population After 21 Years
New York has detected its first case of chronic wasting disease in 21 years in Livingston County.
New York, NY, November 13, 2026 — The state of New York has confirmed the detection of chronic wasting disease (CWD) in a deer population, marking the first such finding in the state in 21 years. The case was identified in Livingston County, according to recent reports.
Chronic wasting disease is a fatal, transmissible neurological illness that affects cervids, a group that includes deer, elk, moose, and caribou. The disease is caused by an abnormal protein called a prion, which can accumulate in the brain and other tissues, leading to neurological damage and eventual death.
The presence of CWD has been a concern for wildlife management agencies across North America. While the summary does not specify the type of animal in which the disease was detected or provide further details about the circumstances of the detection, the identification in Livingston County represents a significant development for New York’s wildlife health monitoring efforts.
The last documented case of CWD in New York occurred 21 years ago. State officials typically implement surveillance and management strategies to monitor and control the spread of the disease should it be detected. Information regarding specific containment measures, the scope of the investigation, or any public health advisories related to this new detection was not provided in the initial summary.
Wildlife health experts emphasize that CWD is not known to pose a risk to humans. However, it is generally advised that hunters and others who handle deer carcasses take precautions to avoid consuming meat from animals that appear sick. The long-term implications of this re-emergence for New York’s wild cervid population remain a key focus for state wildlife agencies.
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