Zombie Deer Disease Threat to Humans

January 16, 2025

Recent reports have raised alarm over Chronic Wasting Disease (CWD), also known as “zombie deer disease,” and its potential to jump to humans. This incurable prion disease primarily affects deer and has recently been detected in feral pigs. Experts warn that if CWD evolves to infect humans, it could lead to severe neurological symptoms and even death.

What Is Chronic Wasting Disease?

Chronic Wasting Disease (CWD) is a transmissible spongiform encephalopathy (TSE) affecting deer. It is caused by misfolded proteins called prions, leading to severe neurological damage and death in affected animals.

Symptoms of CWD

Symptoms in infected animals include drooling, confusion, weight loss, aggression, and unsteadiness. These symptoms may appear about a year after infection.

Transmission of CWD

CWD spreads through saliva, urine, blood, and feces. Infected animals can transmit the disease to others, raising concerns about its potential spillover to humans.

Current Spread of CWD

CWD has been reported in at least 33 U.S. states, including Wyoming, Wisconsin, and Colorado. The disease has also been found in Canada and some European countries.

Potential Human Impact

While no human cases of CWD have been confirmed, experts are concerned about the risk. Consumption of infected venison may lead to diseases similar to Creutzfeldt-Jakob Disease (CJD).

Historical Context

CWD was first identified in 1967 in Colorado. Since then, it has spread to numerous states and countries, with increasing reports of its impact on various deer species.

Expert Opinions

Experts warn of the potential for a health emergency if CWD spills over to humans. They draw parallels to past outbreaks, such as the mad cow disease crisis, denoting the need for preparedness.

Precautionary Measures

Hunters are advised to avoid consuming high-risk tissues from deer known to be infected with CWD. Increased monitoring and research are essential to understand the risks associated with this disease.

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