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 a 39 year old male found down next to his bike without a helmet. there were no witnesses. there was a presumed biking accident. coma scale 3 at the scene. the patient was intubated and taken to hospital where he was given narcan with no effect. at emergency room patient was moving upper extremities. hemodynamically stable as per their nursing record. patient was found to have a large, right, frontotemporal, subdural hemorrhage approximately 7 mm thick with shift, effacement and tentorial, somatic, subarachnoid hemorrhage. patient was transferred to to dr. service for emergency craniotomy evacuation of subdural hemorrhage and placement of icp monitor intraoperatively. hospital course: the patient was monitored in the trauma sicu overnight. postoperatively he was localizing with both upper extremities briskly. pupils were briskly reactive and symmetric bilaterally. patient was moving his right leg spontaneously. the left leg was not moving postoperatively. repeat head ct postoperatively revealed good evacuation of subdural hematoma. patient was started on ventilator wean and weaned off sedation on . patient's ancef was discontinued on . patient's icp bolt discontinued on . patient's neurologic weakness improved during course of hospital stay. left lower extremity was 3+/5 to on both dorsi and plantar flexion on day of discharge. the patient's mental status improved status post surgery. patient was initially agitated and very confused postoperatively. patient became more calm during hospital stay, but remained confused at times. c-spine x-rays were performed on which were negative. patient was cleared to have collar removed at that time. on the patient was placed on haldol p.r.n. agitation. he has not required haldol for the past three to four days prior to discharge. patient's mini-mental status exam improved from 18 to 27 during course of hospital stay. patient was neurologically stable for discharge on . patient was instructed to follow up with dr. in the office in one month with a prior head ct scheduled for . patient will be in the 24 hour care of his sister. the patient's discharge disposition and prognosis were explained to them in detail. patient neurologically stable on day of discharge. , m.d. dictated by: medquist36 procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours incision of cerebral meninges insertion of endotracheal tube intravascular imaging of intrathoracic vessels diagnoses: subdural hemorrhage following injury without mention of open intracranial wound, unspecified state of consciousness pedal cycle accident injuring pedal cyclist 

Answer: The patient is high likely exposed to