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: nka neuro: pt given fentanyl 50mcg as well as versed .5mg for the scope. he is alert and oriented times three but a little sleepy. has c/o neck pain with movement. cv: bp dropped with the sedatives and pt given 500cc's ns bolus and ordered for two more units prbc's. hr 70's paced rhythm at times. denies chest pain. hct 25 at 2pm. need to follow hct q6hrs overnight. magnesium repletion given. resp: o2 2l n/c with good sat. lungs coarse, dry cough. denies sob. rr 16-20. gi: passing bloody stools. abdomen is soft non-tender. pt remains on protonix drip. octreotide drip stopped as ordered. gu: urine is bloody and cloudy. urine output boarderline. foley in place. id: afebrile last wbc 7 this am. procedure: venous catheterization, not elsewhere classified venous catheterization, not elsewhere classified colonoscopy endoscopic control of gastric or duodenal bleeding endoscopic excision or destruction of lesion or tissue of stomach diagnoses: anemia in chronic kidney disease coronary atherosclerosis of native coronary artery congestive heart failure, unspecified cirrhosis of liver without mention of alcohol acute kidney failure, unspecified chronic kidney disease, unspecified hypertensive chronic kidney disease, unspecified, with chronic kidney disease stage v or end stage renal disease myelodysplastic syndrome, unspecified bacteremia hemorrhage of gastrointestinal tract, unspecified varices of other sites esophageal varices in diseases classified elsewhere, without mention of bleeding staphylococcus infection in conditions classified elsewhere and of unspecified site, other staphylococcus diverticulosis of colon (without mention of hemorrhage) acute sinusitis, unspecified unspecified disorder of stomach and duodenum benign neoplasm of stomach 

Answer: The patient is high likely exposed to