This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
True abour Herpes virus 
Select and explain. 
A. HSV 1 causes encephalitis, B. EBV affects, C. CMV is always symptomatic, D. Herpes zoster is not activated
A: HSV 1 causes encephalitis
Answer: A: HSV 1 causes encephalitis 
Explanation: HSV encephalitis though rare is most common sporadic acute viral encephalitis in most pas of the world. REF:ANATHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 8TH EDITION PAGE NO:469