This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Examples of PRION disease include - 
Select and explain. 
A. Creutzfeldt-Jakob disease, B. Subacute sclerosing panencephalitis, C. Alzheimer's disease, D. None of the above
A: Creutzfeldt-Jakob disease
Answer: A: Creutzfeldt-Jakob disease 
Explanation: None