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 is FALSE regarding the clinical features of Herpes Simplex Encephalitis? 
Select and explain. 
A. Alterations in behaviour, B. Olfactory hallucinations, C. Hemiparesis, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: There is usually a prodrome of malaise, fever (90%), headache (81%), and nausea and vomiting (46%) lasting for a few days, consistent with a viral infection. On this background, features raising suspicion of encephalitis include the concurrent onset of: Progressive alterations of behaviour (71%) Features suggestive of focal epilepsy (67%), such as olfactory hallucinations or periods of altered awareness Focal neurological signs (33%), such as unilateral weakness Cognitive problems (24%), such as difficulty in word finding, memory impairment, or confusion Note: Of the two types of herpes simplex virus (HSV-1 and HSV-2), HSV-1 encephalitis is more common in adults, and HSV-2 infection is more common in neonates. Ref: Herpes simplex encephalitis, Mazen Sabah, James Mulcahy,, Adam Zeman ; BMJ 2012;344:e3166