Download Creutzfeldt-Jakob Disease (Cjd) Prion Disease Gif. Cjd falls into four categories: Sporadic, familial, iatrogenic and variant.
Cjd is caused by an infectious agent called a prion.
The disease appears in several different forms and is fairly rare, with approximately one per million people in the general population. It is a neurodegenerative disorder with characteristic clinical and diagnostic features. However, there are also familial forms due. Prions are normal proteins that have changed their shape.