You are answering a USMLE-style medical question. Question: A 39-year-old man is brought to the emergency department unconscious following 2 episodes of generalized tonic-clonic seizures. According to the attendants, he has complained of recurrent headaches for the past 2 weeks. There is no history of fever, head trauma, or a seizure disorder. The patient does not smoke cigarettes but reportedly drinks 2 glasses of wine daily. He has multiple sexual partners and history regarding the contraceptive use is unavailable. The patient’s vitals include: blood pressure 137/88 mm Hg, temperature 37.2°C (99.0°F). On physical examination, he is obtunded. He grimaces on pain and localizes in response to pain in both upper extremities. Pupils are bilateral 3-mm in diameter and equally round and reactive. Laboratory tests are within normal limits. An MRI of the brain with contrast is shown in the exhibit (see image). A brain biopsy is performed that reveals perivascular clusters of lymphocytes. Which of the following is most associated with this patient’s condition? Options: A) Epstein-Barr virus B) Human herpes virus C) Human papilloma virus D) Schistosoma haematobium Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.