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: this is an 85-year-old cuban gentleman who presents with neurodegenerative disorder, cva with right residual hemiparesis, diabetes, who was found to have a cool mottled left foot after a dressing was removed for the skin ulcers and bullous lesions. the patient himself is a poor historian secondary to language and dementia. the patient himself admits that he has no feeling in the leg or foot. the patient was transferred here for further evaluation and treatment. initially, he was seen in the emergency room and was begun on iv heparinization, and vancomycin and unasyn were given. he is now admitted to the vascular service for definitive care. allergies: no known drug allergies. medications on admission: include tylenol 1000 mg daily, prozac 20 mg daily, levothyroxine 0.5 mg daily, prilosec 20 mg daily, remeron 7.5 mg at bedtime, ativan p.r.n., ultram 25 mg daily, neurontin 600 mg daily, trazodone 100 mg daily, dilantin 200 mg q.i.d., colace p.r.n. past medical history: cervical spondylolisthesis; type 2 diabetes, noninsulin dependent, controlled; chronic anemia; history of seizure disorder on dilantin; history of schizo- affective disorder; history of deep vein thrombosis; history of hypothyroidism on supplement. social history: the patient is a nursing home resident and is not ambulating. physical examination: the patient is oriented to person. lungs clear bilaterally. heart is regular rate and rhythm. there is a large necrotic ulceration on the left anterior aspect of the left lower extremity. the pulse exam shows palpable femorals bilaterally. on the left, the popliteal, dp and pt are absent. on the right, the popliteal is palpable 2+ with palpable dp and pt. capillary refill in the left foot is less than 2 seconds. the foot is warm. mild bullous lesions on the plantar surface of the foot and mild mottling. hospital course: the patient was admitted to the vascular service. levofloxacin, vancomycin and flagyl were instituted. the patient was placed on a heparin drip. admitting white count was 16 with a hematocrit of 26. urinalysis was positive for nitrites, wbcs , rbcs . urine culture was sent. the initial culture showed greater than 100,000 organisms of proteus which was sensitive to cefazolin, cefepime, ceptaz, ceftriaxone, cefuroxime, meropenem and piptaz. blood cultures drawn in the er on , one out of 2 cultures was positive anaerobic for gram negative gram positive rods. repeat cultures on the 3rd were not finalized. on hospital day 3, the patient spiked a temp to 102.6. repeat blood cultures were drawn. he had a systolic blood pressure drop to 80s over 30s. he was presumed septic and was taken to the or for an above the knee amputation. he is transferred to the sicu extubated with a swan and a left a line. his postoperative hematocrit was 27.5 with a white count of 12.8. blood gas was 7.40, 38, 189, 24.0. lactic acid was 1.8. bun 12, creatinine 0.6. he was continued on antibiotics and he remained in the icu overnight. on postoperative day 1, the patient's hematocrit was 26.5, white count was 8.9. the patient was transfused 2 units of packed red cells. his bun and creatinine remained stable. his diet was advanced as tolerated. his preoperative medications were continued. his swan-ganz catheter was discontinued. his a line was discontinued. he remained in the icu. the patient was transferred to the sicu on postoperative day 2. he remained with a low grade temp of 99. his white count continued to show improvement at 8.3. his hematocrit dropped to 24.2. he was transfused. posttransfusion hematocrit was 27. his discharge hematocrit prior to discharge on , was 26.7. from cardiac standpoint, the patient did well. his initial dressings were removed on postoperative day 2. the wound edges were well approximated. there were no ischemic changes noted. physical therapy was requested to see the patient. the patient will be discharged to rehabilitation once medically stable and blood cultures are finalized to determine length of therapy of his antibiotics for he has gram positive rods in his anaerobic cultures. the patient was treated for his proteus uti with ceptaz. foley was discontinued on postoperative day 3. discharge medications: fluoxetine 20 mg daily, levothyroxine 50 mcg daily, acetaminophen 325 mg tablets q.4-6 hours as needed, protonix 40 mg daily, gabapentin 600 mg b.i.d., trazodone 100 mg at bedtime, tramadol 25 mg q.4-6 hours as needed, phenytoin 200 mg b.i.d., mirtazapine 7.5 mg at bedtime, metoprolol 12.5 mg b.i.d., calcium carbonate 500 mg q.i.d., colace 100 mg b.i.d., ceftazidime 1 gram q.12 hours for a total of 7 more days, dulcolax p.o. or pr daily as needed, milk of magnesia p.r.n. discharge diagnoses: 1. left leg ischemic gangrene with ulcerations. 2. history of right cerebrovascular accident with right residual hemiparesis. 3. history of cervical spondylolisthesis. 4. history of type 2 diabetes. 5. history of chronic anemia. 6. history of seizure disorder. 7. history of schizo-affective disorder. 8. history of deep venous thrombosis. 9. history of hypothyroidism. 10. history of urinary tract infection, proteus infection, treated. 11. gram positive sepsis. 12. postoperative blood loss anemia, transfused. 13. postoperative constipation, treated. discharge instructions: please call dr. office if amputation site becomes red or drains or he develops a temperature greater than 101.5. he should follow-up with dr. in 3 weeks time. please call for an appointment at . major surgical procedure: left above knee amputation on . , procedure: venous catheterization, not elsewhere classified amputation above knee transfusion of packed cells diagnoses: urinary tract infection, site not specified acute posthemorrhagic anemia diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled unspecified acquired hypothyroidism other convulsions sepsis cellulitis and abscess of leg, except foot late effects of cerebrovascular disease, hemiplegia affecting unspecified side other septicemia due to gram-negative organisms atherosclerosis of native arteries of the extremities with gangrene schizoaffective disorder, unspecified ulcer of calf 

Answer: The patient is high likely exposed to