Rare (usually fatal) brain disease (usually in middle age) caused by an unidentified slow virus; characterized by progressive dementia and gradual loss of muscle control.

synonyms: Creutzfeldt-Jakob disease, Jakob-Creutzfeldt disease.

Dutch: ziekte van Creutzfeldt-Jakob
Polish: stwardnienie rzekome, stwardnienie kurczowe, zespół Nevina-Jonesa, choroba Creutzfeldta-Jakoba