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: Microbiology
Which virus remains dormant but can be reactivated is - 
Select and explain. 
A. Herpes simplex, B. Herpes zoster, C. EBvirus, D. CMV
A: Herpes simplex
Answer: A: Herpes simplex 
Explanation: Ans. is b Herpes zoster