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 59-year-old woman with no past medical history, in her usual state of health until the day of admission when she was at her job in a meeting with her boss and felt a very sudden onset of severe headache, , located at the top of her head and posterior neck. she had positive nausea and vomited 3-4 episodes subsequently. no photophobia, no visual disturbances. denies numbness and tingling, weakness or diplopia. no difficulty with dysarthria or gait difficulties. the patient was seen at an outside hospital and transferred to and had a head ct which showed no evidence of any subarachnoid blood, had an lp which was obtained and showed 15,700 to 13,800 red cells and xanthochromia. head ct was negative for subarachnoid blood. physical examination: she had a blood pressure of 150/80, heart rate of 66, respiratory rate of 12. her neck was supple. she had no jvd, no kernig's or brudzinski's sign. lungs were clear to auscultation. heart, regular rate and rhythm, no gallop or murmur. abdomen soft, nontender, non distended, positive bowel sounds. extremities, no clubbing, cyanosis or edema. neurologically awake and alert, attentive, fluent speech with no paraphasic errors, naming and repetition intact. pupils are equal, round, and reactive to light, extraocular movements intact, no nystagmus. her coordination was intact. her tongue was midline. her motor strength was in all muscle groups. she had no drift. reflexes are +, symmetric, with no clonus. her toes were downgoing bilaterally. sensation was intact to light touch, pinprick. coordination was intact. hospital course: due to her lp being positive for blood, she did get an angiogram which was also negative for any aneurysm or arteriovenous malformation. patient also had a cervical mri to rule out a cervical avm, results of which are pending. patient's vital signs are stable. she is afebrile. her neurologic status was intact and she was discharged to home on hospital day #2 in stable condition with follow-up with dr. in two weeks. , m.d. dictated by: medquist36 procedure: spinal tap incision of lung arteriography of cerebral arteries arterial catheterization diagnoses: subarachnoid hemorrhage 

Answer: The patient is high likely exposed to