Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: service: neurosurgery history of present illness: the patient is a 50-year-old, right-handed male with a past medical history of schizophrenia and substance abuse who was transferred from hospital for further management of a subarachnoid hemorrhage. apparently the patient had the was brought to hospital where a ct scan showed suprasellar bleed with evidence of blood in the right sylvian fissure. angiography showed a right mca aneurysm at the m1 junction. the patient was scheduled for surgery at , but psychiatry found the patient unable to make durable power of attorney for healthcare issues and made the decision to send the patient to for further care. on examination, the patient was in no acute distress. medications on admission: dilantin 100 mg p.o. t.i.d., nimodipine 60 mg p.o. q.4 hours, decadron 4 mg iv q.6 hours, zantac 50 mg iv q.8 hours. allergies: no known drug allergies. social history: the patient lives with his girlfriend. physical examination: vital signs: blood pressure 109/64, temperature 97.9??????, pulse 72, respirations 16, 98% on room air. general: the patient was in no acute distress. heent: normocephalic, atraumatic. moist mucous membranes. no thyromegaly. no cervical lymphadenopathy. no nuchal rigidity. pulmonary: clear to auscultation bilaterally. no crackles or wheezes. cardiovascular: regular, rate and rhythm. no murmurs, rubs or gallops. abdomen: soft, nontender, nondistended. positive bowel sounds. rectal: deferred. extremities: the patient was moving all four extremities. he had 2+ pulses in the upper and lower extremities and symmetric. good capillary refill. skin: no rashes noted. neurological: the patient was alert and oriented to place, person, month, and date. attention: the patient could spell world backwards. language was fluent. no paraphrasic errors. cranial nerves intact. motor strength 5 out of 5 in all muscle groups. deep tendon reflexes 2+ throughout. the patient had no drift. hospital course: the patient was evaluated by psychiatric service when he was admitted to the surgical intensive care unit and found to be unable to have the capacity to make medical decisions for himself. on , the patient underwent a patronal craniotomy for clipping of right mca aneurysm with placement of right frontal ventricular drain. there were no intraoperative complications. postoperatively the patient was monitored in the surgical intensive care unit. neurologically the patient was awake and alert, moving all extremities, with no drift. dressing was clean, dry and intact. the patient remanded in the surgical intensive care unit until . during his intensive care unit stay, the patient spiked a temperature. his line was cultured, and blood cultures came back positive for staphylococcus aureus. the patient was treated with intravenous vancomycin for a total of a 14-day course. the patient was monitored in the surgical intensive care unit for two week for the prevention of vasospasm. he was treated with intravenous fluids at 150 cc/hr with albumin q.8 hours 250 cc and had daily transcranial dopplers which showed no evidence of vasospasm. the patient's neurological status remained completely stable throughout his stay at the mv neuro intensive care unit. he had a ventricular drain that was in place since the operation. the ventricular drain was discontinued on , and the patient was transferred to the floor on . neurologically the patient was awake, alert, and oriented times three, moving all extremities, with 5 out of 5 muscle strength. he has been followed by physical therapy and occupational therapy and found to be safe for discharge to home with 24-hour care from his girlfriend. will be followed by dr. in the office in weeks. discharge medications: dilantin 100 mg p.o. t.i.d., zantac 150 mg p.o. b.i.d., percocet tab p.o. q.4-6 hours p.r.n., nimodipine 60 mg p.o. q.4 hours. condition on discharge: vitals signs were stable, and the patient is neurologically stable at the time of discharge and is being discharged to home. , m.d. dictated by: medquist36 procedure: venous catheterization, not elsewhere classified clipping of aneurysm arteriography of cerebral arteries diagnoses: other postoperative infection other, mixed, or unspecified drug abuse, unspecified infection with microorganisms resistant to penicillins subarachnoid hemorrhage bacteremia methicillin susceptible staphylococcus aureus in conditions classified elsewhere and of unspecified site infection and inflammatory reaction due to other vascular device, implant, and graft personal history of schizophrenia 

Answer: The patient is high likely exposed to