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Chronic Wasting Disease: Public Health Recommendations

A white-tailed deer collected on January 25, 2018, in Issaquena County has tested positive for Chronic Wasting Disease (CWD).  The deer was a 4.5-year-old male that died of natural causes and was reported to the Mississippi Department of Wildlife, Fisheries, and Parks.

MSDH News: The Mississippi State Department of Health (MSDH) is working with the Mississippi Department of Wildlife, Fisheries and Parks (DWFP) in response to the first confirmed case of Chronic Wasting Disease (CWD) in a white-tailed deer in Mississippi.

Chronic Wasting Disease (CWD) is a neurological (brain and nervous system) disease found in deer, elk, moose and other members of the deer family. It is similar to “mad cow” disease in cattle and scrapie in sheep, and is 100 percent fatal to the animal.

The disease has not been known to cause infection in humans, and the Centers for Disease Control and Prevention (CDC) has never reported a case of CWD in people. However, MSDH State Epidemiologist Dr. Paul Byers says certain precautions are still important to prevent possible infection.

“While there has never been a reported case of CWD in people, if it could spread to humans it would likely come from eating an infected animal, like an infected deer,” he said.

As a precaution, the CDC now recommends that hunters harvesting deer from areas with reported CWD should strongly consider having those animals tested before eating the meat. However, CWD cannot be positively detected in muscle tissue such as processed meat.

“Since there is no test that can safely rule out CWD infection in processed meat, MSDH is recommending hunters consider not eating venison from deer harvested in an area with known CWD, said Dr. Byers.

To be as safe as possible and to prevent any potential human exposure to CWD, the following precautions are recommended:

  • Out of an abundance of caution, the Mississippi State Department of Health recommends that hunters consider not eating venison from deer harvested within the CWD Management Zone as defined by the Mississippi Department of Wildlife, Fisheries and Parks.

  • Do not shoot, handle or eat meat from a deer that appears sick.

  • Wear latex or rubber gloves when field dressing your deer.

  • Bone out the meat from your animal. Don’t saw through bone, and avoid cutting through the brain or spinal cord (backbone).

  • Minimize the handling of brain and spinal tissues.

  • Wash hands and instruments thoroughly after field dressing is completed.

  • Avoid consuming brain, spinal cord, eyes, spleen, tonsils and lymph nodes of harvested animals. (Normal field dressing coupled with boning out a carcass will remove most, if not all, of these body parts. Cutting away all fatty tissue will remove remaining lymph nodes.)

  • Avoid consuming the meat from any animal that tests positive for the disease.

  • If you have your deer commercially processed, request that your animal is processed individually, without meat from other animals being added to meat from your animal.

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