The first diagnosis of CWD in Canada

Published by CWD Alliance on January 1, 1981 January 1, 1981

The first diagnosis of CWD in Canada was in 1981 in mule deer at the Toronto Zoo.

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Wyoming

WY – CWD detected in new feedground

CHEYENNE — The Wyoming Game and Fish Department has confirmed the presence of chronic wasting disease on the Muddy Creek feedground. Muddy Creek feedground is within Elk Hunt Area 98, which first detected CWD in Read more

Delaware

DE – Delaware Confirms State’s First Case of Chronic Wasting Disease in Wild White-tailed Deer

Delaware has confirmed its first case of Chronic Wasting Disease, or CWD, in a wild white-tailed deer. The Delaware Department of Natural Resources and Environmental Control (DNREC) announced the positive result today after it was confirmed by Read more

Maryland

MD – White-tailed deer test positive for Chronic Wasting Disease at Catoctin Mountain Park

Date: April 9, 2026Contact: Lindsey DonaldsonContact: Phillip S. Greenwalt Thurmont, Md. – During recent white-tailed deer reduction operations and subsequent disease sampling at Catoctin Mountain Park, two deer tested positive for Chronic Wasting Disease (CWD). This is the first CWD-positive detection at Catoctin Mountain Read more

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