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: mr. is a 75 year-old venezuelan spanish speaking male who developed a temperature of 103 and was seen in the emergency department at and diagnosed with bacteremia, but was found to have a ruptured abdominal aortic aneurysm two days after admission. he presented to the emergency room on , complaining of increased weakness, inability to sleep, decreased appetite and intermittent fevers. he also complained of low back pain that was intermittent and less then approximately two hours as well as abdominal pain. he was examined by the emergency room team with a chest x-ray performed to rule out pneumonia, which was negative for effusions, infiltrates, however, there was a lesion in the right lower lobe on the lateral view and a cat scan was recommended. he was also given the diagnosis of pyelonephritis and as he was extremely febrile with a temperature of 103 and appeared quite lethargic he was admitted to the medical service. apparently the patient was seen at hospital on with similar symptoms and was also admitted at that time. blood cultures from that hospital admission revealed beta hemolytic strep in one out of two bottles obtained. it is unclear as to how the diagnosis of pyelonephritis was made other then physical examination as no urinalysis was performed in the emergency room. the patient was admitted and started on intravenous antibiotics, which included levaquin 500 mg q.d. at the time of his admission and evaluation in the emergency room his vital signs revealed an elevated temperature, which came down to 97.4, heart rate 95, blood pressure 120/70 with an o2 sat of 97%. his laboratories at the time revealed an elevated white blood cell count at 18.2, hemoglobin 13.4, hematocrit 41, platelet count 387, sodium 130, potassium 4.2, chloride 91, bicarb 26, bun 20, creatinine .7. after the patient was admitted he still began to show signs of increased abdominal distention as well as flank pain and showed no signs of improvement with antibiotics. a cat scan with contrast of his chest, abdomen and pelvis was performed shortly later on that evening at approximately 11:00. this revealed a large infrarenal abdominal aortic aneurysm that extended approximately from the level of the renal arteries to approximately 1.5 cm above the bifurcation of the common iliac arteries. the maximum diameter was noted to be 7 cm. there was noted to be high density contrast fluids surrounding the aorta and extending down into the retroperitoneum into the pelvis. apparently this was called to the house officer at the time of the ___________ , m.d. dictated by: medquist36 procedure: percutaneous [endoscopic] gastrostomy [peg] temporary tracheostomy pulmonary artery wedge monitoring resection of vessel with replacement, aorta, abdominal reimplantation of aberrant renal vessel delayed closure of granulating abdominal wound diagnoses: acute posthemorrhagic anemia diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled acute kidney failure, unspecified unspecified septicemia unspecified protein-calorie malnutrition acute respiratory failure methicillin susceptible pneumonia due to staphylococcus aureus abdominal aneurysm, ruptured pyelonephritis, unspecified 

Answer: The patient is high likely exposed to