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
Which of the following viruses is not a common cause of viral encephalitis - 
Select and explain. 
A. Herpes simplex virus type 2, B. Japanese encephalitis virus, C. Nipah virus, D. Cytomegalovirus
A: Herpes simplex virus type 2
Answer: A: Herpes simplex virus type 2 
Explanation: None