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: history of present illness: the patient is an 84-year-old gentleman status post a fall down some stairs witnessed by his grandson who reports the patient had loss of consciousness for about two minutes with confusion upon awaking. the patient was hemodynamically stable and following commands on arrival. denies shortness of breath, denies pain. past medical history: 1. hypertension. 2. diabetes. allergies: he has no known allergies. medications on admission: 1. aspirin. 2. norvasc. 3. zestril. physical examination: on physical exam, his pulse is 103, temperature 98.5, blood pressure 163/76. head ct scan shows a right subdural hematoma, left parietal interparenchymal hemorrhage, 1.5 cm punctate hemorrhage and several possible injuries, and many old lacunar infarcts. he had no fractures, no hydrocephalus and no shift. in general, he was arousable. he had slurred speech. he was confused. pupils are equal, round, and reactive to light. eoms full. smile was symmetric. tongue midline. heart regular, rate, and rhythm. lungs are clear to auscultation. abdomen is soft, nontender, nondistended. extremities: holds the right arm flexed, grasped with both hands, 4+ strength in the left arm. slight withdraw with the right arm, withdraw of the right leg, and 4+ strength in the lower left leg. no apparent loss of sensation. laboratories on admission: white count is 9.2, hematocrit 35.3, platelets 231. inr 1.0, sodium 142, potassium 3.3, chloride 104, co2 30, bun 20, creatinine 0.9, glucose is 247. patient's ct scan of the neck shows no fractures, and he was admitted to the trauma service for close observation in the intensive care unit. he remained neurologically stable. he had a repeat head ct scan. on , the patient's neurologic status remained stable. he was awake and attentive. pupils were symmetric and briskly reactive. raises the right arm, but weakly. moves bilateral lower extremities. he was transferred to the floor. he saw physical therapy and occupational therapy, and was found to require rehabilitation. he also had a bedside swallow evaluation which showed that he had difficulty with swallowing. he had a dobbhoff tube in place. on , he had a video swallow which he passed. he is able to take regular diet. his vital signs remained stable. currently, he is tolerating a regular diet. he is being followed by physical therapy and occupational therapy, and will require a short rehabilitation stay prior to discharge to home. discharge medications: 1. colace 100 mg po bid. 2. levaquin 250 mg po q24h for six doses for urinary tract infection. 3. glyburide 5 mg po bid. 4. heparin 5,000 units subq q12h. 5. amlodipine 5 mg po bid. 6. lisinopril 2.5 mg po q day. 7. tylenol 650 po q4h prn. 8. dulcolax 10 mg pr q hs prn. 9. hydralazine 20 mg po q6h, hold for systolic blood pressure less than 120. condition on discharge: stable. follow-up instructions: he will require followup with dr. in weeks with a repeat head ct scan at that time. , m.d. dictated by: medquist36 procedure: enteral infusion of concentrated nutritional substances arterial catheterization diagnoses: pure hypercholesterolemia urinary tract infection, site not specified unspecified essential hypertension diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled chronic airway obstruction, not elsewhere classified personal history of other diseases of circulatory system accidental fall on or from other stairs or steps subdural hemorrhage following injury without mention of open intracranial wound, with brief [less than one hour] loss of consciousness other and unspecified intracranial hemorrhage following injury without mention of open intracranial wound, with brief [less than one hour] loss of consciousness 

Answer: The patient is high likely exposed to