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A deer may not show any signs of CWD until 18 to 24 months after becoming infected, according to the U.S. Geological Survey. Arguably the most obvious sign is drastic weight loss, or “wasting.”
Deer infected with CWD may be called "zombie deer" because the disease leads to weight loss, lack of coordination, stumbling, listlessness, weight loss, drooling, and lack of fear of people.
A study published on neurology.org said that in 2022, a 72-year-old man with a history of consuming meat from a CWD-infected deer population presented with rapid-onset confusion and aggression ...
Chronic wasting disease (CWD), sometimes called zombie deer disease, is a transmissible spongiform encephalopathy (TSE) affecting deer.TSEs are a family of diseases thought to be caused by misfolded proteins called prions and include similar diseases such as BSE (mad cow disease) in cattle, Creutzfeldt–Jakob disease (CJD) in humans, and scrapie in sheep. [2]
In April 2024, a report was published regarding two hunters from the same lodge who, in 2022, were found to be afflicted with sporadic CJD after eating deer meat infected with chronic wasting disease (CWD), suggesting a potential link between CWD and CJD.
The heads and necks of infected deer may swell. One of the most common characteristics of deer with the chronic form of EHD is the sloughing or breaking of the hooves caused by growth interruptions. Deer with chronic EHD often become lame due to these hoof problems. [4] Although they are ill for several weeks, they can eventually recover.
The disease is spread between deer through direct contact and environmental contamination from infected saliva, urine and feces, and can also be spread through the transportation of hunter ...
Humans are most often infected by tick/deer fly bite or through handling an infected animal. Ingesting infected water, soil, or food can also cause infection. Hunters are at a higher risk for this disease because of the potential of inhaling the bacteria during the skinning process.