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: allergies: patient recorded as having no known allergies to drugs attending: chief complaint: 28yo s/p rollover mvc, ejected, head trauma major surgical or invasive procedure: none history of present illness: 28 yo male s/p mvc rollever with ejection treated at referring facility and transferred to for definitive care. was brought to by during which he was combative and aggressive. he was intubated and sedated in the ed. he had a head ct which showed a subarachnoid hemorrahge within the sulci of the left frontal lobe adjacent to the anterior falx. past medical history: none social history: non-contributory family history: non-contributory physical exam: t99 p83 bp117/58 r18 combative rrr no m/r/g ctab ttp over left clavicle abd soft nt, nd small abrasion on back and shoulders pertinent results: 08:21am glucose-138* lactate-2.4* na+-141 k+-3.8 cl--102 tco2-27 08:05am urea n-13 creat-0.9 08:05am amylase-49 08:05am asa-neg ethanol-neg acetmnphn-neg bnzodzpn-neg barbitrt-neg tricyclic-neg 08:05am urine hours-random 08:05am urine hours-random 08:05am urine gr hold-hold 08:05am urine bnzodzpn-pos barbitrt-neg opiates-neg cocaine-pos amphetmn-pos mthdone-neg 08:05am wbc-11.6* rbc-4.49* hgb-14.7 hct-41.9 mcv-93 mch-32.7* mchc-35.0 rdw-13.4 08:05am plt count-238 08:05am pt-12.5 ptt-25.1 inr(pt)-1.1 08:05am fibrinoge-246 08:05am urine color-yellow appear-clear sp -1.035 08:05am urine blood-lg nitrite-neg protein-30 glucose-neg ketone-neg bilirubin-neg urobilngn-neg ph-6.5 leuk-neg 08:05am urine rbc-21-50* wbc-0-2 bacteria-occ yeast-none epi-0-2 brief hospital course: the patient was admitted to the icu. neurosurgery was consulted who recommended observation, no additional medications. the patient was extubated on hod#1. his c-spine was cleared medically and he was moved to the floor on hod#2. hod#3 the patient was perseverating and had imbalance. a repeat head ct was ordered which showed decrease in size of sah. medications on admission: none discharge medications: 1. oxycodone-acetaminophen 5-325 mg tablet sig: 1-2 tablets po q4-6h (every 4 to 6 hours) as needed for pain. disp:*30 tablet(s)* refills:*0* discharge disposition: home discharge diagnosis: subarachnoid hemorrahage. discharge condition: good discharge instructions: you were brought to the emergency department and tested postive for numerous illicit substances in your urine. we highly recommend that you seek treatment for any addictions that you may have. rest, drink plenty of fluids, take medications as prescribed. followup instructions: follow up with your primary care provider. follow up in trauma clinic in weeks. call for an appointment. follow up with neurosurgery in four weeks. please call to schedule an appointment with dr . you may also need a repeat head ct scan. please call to set that appointment as well. procedure: insertion of endotracheal tube diagnoses: closed fracture of cervical vertebra, unspecified level subarachnoid hemorrhage following injury without mention of open intracranial wound, with no loss of consciousness other motor vehicle traffic accident involving collision with motor vehicle injuring unspecified person 

Answer: The patient is high likely exposed to