Creutzfeldt-Jakob diseaseServices Disease prevention Disease testing Disease treatment Report a foodborne illness Request an immunization record Information for: General public Healthcare providers Media Schools and childcare One Health in Utah Health departments Public health departments Creutzfeldt-Jakob disease (CJD)Creutzfeldt-Jakob disease (CJD) is degenerative brain disease caused by abnormal proteins called prions. CJD eventually lead to the death of the affected patient.Information for the general public Classic CJD fact sheet Variant CJD fact sheet Information for public health departments Case report form Disease plan Resources Alzheimer’s Association Centers for Disease Control and Prevention (CDC) National Institute of Neurological Disorders and Stroke Creutzfeldt-Jakob Disease Foundation National Prion Disease Pathology Surveillance Center