Which statement is INCORRECT regarding primary herpes simplex virus (HSV) infection?

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It mainly involves the front region of the mouth, leading to acute gingivitis.It results in the development of acute gingivitis.It happens in the form of an epidemic.It presents with prodromal symptoms before the lesions appear.It commonly affects the oral mucosa during initial exposure.

Explanation

Primary HSV infection typically affects the anterior mouth and causes acute gingivitis, accompanied by prodromal symptoms. However, it does not usually occur as an epidemic; this is incorrect.