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: Pathology
Which of the following is NOT TRUE about primary HSV infections? 
Select and explain. 
A. Primarily affects the anterior portion of the mouth, B. Causes acute gingivits, C. Occurs as epidemic, D. Shows prodromal symptoms
C: Occurs as epidemic
Answer: C: Occurs as epidemic 
Explanation: None