An 80-year-old female patient complains of a 3-day history of a painful rash extending over theright half of her forehead and down to her right eyelid. There are weeping vesicular lesions onphysical examination. Which of the following is the most likely diagnosis? A: Impetigo B: Adult chickenpox C: Herpes zoster D: Coxsackie A virus E: Herpes simplex virus