Which of the following is the most common cause of meningoencephalitis in children?: (A) Mumps, (B) Arbovirus, (C) HSV, (D) Enterovirus
Answer is D. 80% of cases of viral meningocencephalitis are caused by enteroviral group of viruses such as echovirus and coxsackie virus. Ref: Adams and Victor's principles of neurology By Allan H. Ropper, Raymond Delacy Adams, Maurice Victor, Robe H. Brown page633.