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 76 year old gentleman, who presented to the emergency department status post fall. after the fall, the patient became unconscious and was emergently intubated prior to arriving in the emergency department. otherwise, the patient has multiple medical problems. the patient had a history of parkinson's, arthritis, cataract and knee fracture. he is status post appendectomy in the past. on presentation, the patient had gcs of 7. medications on admission: 1. aspirin 81 mg p.o. once daily. 2. tylenol. 3. celebrex. 4. diovan 80 mg p.o. once daily. 5. sinemet three times a day. past medical history: 1. parkinson's disease. 2. arthritis. 3. cataract. 4. knee fracture. 5. status post appendectomy. 6. hypertension. allergies: no known drug allergies. physical examination: on examination, the patient was intubated and unresponsive. chest was clear. the heart was regular rate and rhythm. the belly was soft, nontender, nondistended, and rectal is guaiac negative and normal tone. extremities showed no fracture and no obvious deformities. back - there was no stepoff. laboratory data: at the time of admission, the patient had a white blood cell count of 9.0, hematocrit of 36.2 and platelet count of 120,000. the patient's inr was 1.9. radiology studies: the patient had a normal chest x-ray and normal pelvis x-ray. however, ct scan of the head showed massive bilateral subarachnoid hemorrhage with bilateral subdural hemorrhage extending from the temporal lobe to the superior aspect of the frontal lobe. hospital course: neurosurgery was consulted immediately, and the patient was admitted to the neurosurgical intensive care unit on the neurosurgical service. the patient's family was contact by neurosurgeon and the family opted not to proceed with neurosurgical intervention. the patient had a repeat ct scan several hours later, which showed diffuse brain edema with massive subarachnoid hemorrhage. there is transtentorial herniation and possible cerebellar tonsillar herniation and obliteration of basilar cistern, fourth and third ventricle. family was contact at this point and the patient was made comfort measures only. the patient expired shortly after that and the family declined an autopsy. dr., 02-349 dictated by: medquist36 procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours insertion of endotracheal tube diagnoses: paralysis agitans accidental fall on or from other stairs or steps blood in stool closed fracture of vault of skull with subarachnoid, subdural, and extradural hemorrhage, with moderate [1-24 hours] loss of consciousness 

Answer: The patient is high likely exposed to