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: patient is an 18 year old who fell from a motor bike after making a jump off a ramp. patient landed on his right lower back, had no loss of consciousness, complained of right thigh pain and paresthesias. was seen at outside hospital. was found to have a t12 compression fracture. transferred to for further evaluation and management. in the emergency room the patient was neurologically intact. past medical and past surgical history: has no past medical or past surgical history. allergies: none known. physical examination: temperature is 99.5, heart rate 61, blood pressure 123/59, respiratory rate 16, sat is 100%. he is awake, alert, and oriented times three. his motor and sensory are intact. heent: chest is clear to auscultation. cardiovascular: regular rate and rhythm. abdomen: soft, nontender, nondistended. extremities: no clubbing, cyanosis, or edema; positive pulses. back: mildly tender in the lumbar spine area with no step off. rectal tone is normal. hospital course: patient was seen and admitted to the trauma intensive care unit. had an mri and ct of the spine which did show this t11-t12 burst fracture with retropulsion. he was admitted to the intensive care unit and placed on flat bed rest. he remained neurologically intact, was taken to the operating room on . he underwent an anterior thoracotomy with t12 vertebrectomy and t11-l1 fusion without intraoperative complication. postop, his vital signs were stable. he was awake, alert, and oriented times three. his speech was fluent. his motor strength was in all muscle groups. his incision was clean, dry, and intact. he did have two chest tubes in to slow wall suction. on postop day number one he had his chest tubes to continue to slow wall suction. he was out of bed with his . his labs remained stable. he continued to improve neurologically, and his chest tubes were eventually removed on . his repeat chest x-ray post chest tube removal showed a minimal pneumothorax. on a chest x-ray showed trace pneumothorax. he has been out of bed, ambulating with physical therapy, tolerating a regular diet, voiding spontaneously. he was cleared by physical therapy and occupational therapy for discharge to home. disposition: he was discharged on . discharge condition: stable. discharge instructions: 1. follow up with dr. in 10 days for staple removal and repeat x-rays. medications at time of discharge: 1. percocet one to two tabs p.o. q. 4 hours p.r.n. 2. valium 5 mg p.o. q. 6 hours p.r.n. , m.d. dictated by: medquist36 procedure: dorsal and dorsolumbar fusion of the anterior column, anterior technique transfusion of packed cells total ostectomy, other bones transfusion of other serum fusion or refusion of 2-3 vertebrae diagnoses: closed fracture of dorsal [thoracic] vertebra without mention of spinal cord injury nontraffic accident involving other off-road motor vehicle injuring motorcyclist 

Answer: The patient is high likely exposed to