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 40-year-old gentleman with a history of iv drug abuse, found unresponsive, transferred to where a ct scan showed a large subarachnoid hemorrhage with interventricular and interhemispheric blood. the patient was management. physical exam: on arrival, the patient was intubated. blood pressure was 135/60, respiratory rate 16, heart rate 60, sats 100% on the ventilator. eyes were closed. no response to voice or stimulation. pupils were 2 down to 1 mm. face was symmetric. no response to painful stimuli in the upper toes were upgoing bilaterally. reflexes 2+ in the upper extremities and lower extremities. chest was clear to auscultation. cardiac - regular rate and rhythm, s1 and s2, no murmur, rub or gallop. abdomen soft, nontender, nondistended, positive bowel sounds, no evidence of trauma. labs on admission: white count 13, hematocrit 41, sodium 137, k 4.1, chloride 99, co2 26, bun 13, creatinine 0.9, glucose 201, inr 1.0. ct from the outside hospital showed subarachnoid hemorrhage and dilation of the temporal horns. hospital course: the patient was monitored in the neuro icu for close monitoring. he had a ventricular drain placed on with no real improvement in his mental status. he remained intubated, pupils small, right reactive 2.5-2, left 2-1.5, positive doll's eyes, positive corneal. posturing in the bilateral upper extremities. toes were upgoing. on , the patient had a cerebral angiogram with coiling of an a-com aneurysm. on , the patient was given interventricular tpa for large amounts of ventricular blood with good effect. the ct scan showed resolution of interventricular blood. the patient's neurologic condition continued to be grave with no response to painful stimulation, continued to have decerebrate posturing in all extremities. the patient was made a dnr on after a long discussion with the family. on , the patient's family decided to make him comfort measures only. he was started on a morphine drip and continued to have decerebrate posturing with no csf drainage from his drain. the patient was pronounced dead at 1530, family was aware. , m.d. dictated by: medquist36 procedure: continuous invasive mechanical ventilation for 96 consecutive hours or more enteral infusion of concentrated nutritional substances injection or infusion of thrombolytic agent arteriography of cerebral arteries intravascular imaging of intrathoracic vessels endovascular (total) embolization or occlusion of head and neck vessels diagnoses: subarachnoid hemorrhage cocaine abuse, unspecified 

Answer: The patient is high likely exposed to