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Chronic wasting disease distribution in North America as of April 2025. (USGS National Wildlife Health Center map) |
As deer and elk hunting seasons open across the U.S. and Canada, community reporters can help prevent the possible spread of chronic wasting disease, which has affected 36 states and four Canadian provinces, writes Joseph A. Davis for the Society of Environmental Journalists. "Journalists can do a lot to help hunters understand how to minimize any risks."
Chronic wasting disease is caused by the replication of abnormal brain proteins, known as prions, that clump together and cause brain damage. All hoofed ruminant mammals, such as mule deer, white-tailed deer, red deer, elk, bison and moose, are susceptible to contracting the disease.
So far, no humans have contracted CWD, but scientists haven't been able to prove or disprove whether the disease could be spread to humans by direct contact or by consuming meat from an infected animal.
"Many states have programs of one sort or another to help hunters safely handle the animals they kill," Davis adds.
Community journalists who investigate and report on the disease in their community and publish prevention tips can also help reduce CDW risks, according to Davis. His story ideas include:
- Has CWD been found in your state? Where, how and how often? Contact your state wildlife agency for more information.
- Are there captive deer populations in your state? Deer farms are often available to hunters, and CWD incidence seems to be higher in such areas. Visit some and talk to managers, hunters and neighbors.
- There are businesses that process killed deer into specific cuts or frozen meat. If any are near you, discuss CWD safety with managers and customers.
- Are there labs in your state that check deer carcasses for CWD? Discuss with them how to mitigate the risk of CWD.
- Find local deer hunting clubs and discuss CWD with them.
- Centers for Disease Control and Prevention: Although compromised under the Trump administration’s Health and Human Services Secretary Robert F. Kennedy Jr., the CDC is supposed to track public health threats. It still offers levelheaded and science-based info on CWD.
- USGS National Wildlife Health Center: This important lab in Wisconsin exemplifies the U.S. Geological Survey’s expertise in sound science, with extensive resources on chronic wasting disease.
- State wildlife agencies: A good place to start looking for local facts and advice, as well as safety programs. For a list, start here or here.
- National Deer Association: This hunters’ group advises people about how to minimize CWD risks.
- USDA Animal and Plant Health Inspection Service: The job of this unit within the Agriculture Department is to identify and control animal diseases, such as CWD.

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