Animated map of chronic wasting disease distribution in the U.S. and Canada

Chronic Wasting Disease (CWD) is a fatal, contagious, neuro-degenerative disease affecting multiple members of the Family Cervidae. First detected in 1967, the disease has, as of June 2026, been documented in free-ranging and/or captive cervid populations in 37 states, five Canadian provinces, South Korea, Norway, Sweden, and Finland. The data sheets provided here contain information on...