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: patient recorded as having no known allergies to drugs attending: chief complaint: lethargy major surgical or invasive procedure: ng tube placement history of present illness: pt is a 87 yo russian male with htn, dementia and recent strokes who comes in from rehab with lethargy and hypoxia to 78-82% on ra. he has been in the hospital or in rehab since the end of . he was admitted three times, first with fevers of unknown origin, then with pneumonia and uti. according to his daughter, he has been on antibiotics straight except for 2 days since . he most recently finished a course of levofloxacin and flagyl for a presumed aspiration pneumonia at rehab on . he had fevers on saturday. today he was found to be hypoxic to 70s-low 80s% on room air and was sent to . . in ed at , he was febrile to 102.4 rectal, with tachycardia (hr 140s), tachypnea (rr 40), and hypoxia. he was using accessory muscles to breath and was placed on a nrb. a large amount of copius muous was suctioned from his troat. a cxr revealed pna and a u/a was positive for uti. his abg was 7.36/40/86 at a tme where he was in severe respiratory distress. he was given 1gram of vancomycin, 1gram of ctx, 500mg of flagyl, 3 liters of normal saline, 0.5mg of morphine, and 650mg of apap. . ros: he has been more weak over the past 3 weeks and had delayed swallowing in rehab, resulting in a 14 pound weight loss in less than 2 weeks. past medical history: 1. vascular dementia 2. cva: multiple since with initial aphasia but improved and was able to answer words appropriately to questions until 3. h/o multiple aspiration pna 3. htn- on atenolol until recently 4. h/o mrsa in l heel pressure wound 5. anemia- required transfusions during recent admission 6. h/o angina- not in 3 years. no recent stress test. cardiologist is dr. . 7. recent uti social history: retired math professor. he worked until the age of 73 and authored multiple books. lived with his wife until . smoked. pt is , emigrated . understands english but can not speak english. family history: not obtained. physical exam: vitals - t 97(axillary) pulse 128, bp 104/60, rr 33 o2sat 96%(nrb) wt 52 kgs . gen: frail, thin male. heent: eyes open but does not track. perrl. right scleral edema. neck supple. nrb in place. chest: rhonchi and rales right upper chest anteriorly and posteriorly cv: unable to appreciate heart sounds abdomen: soft, nt, +bs ext: contracted lower extremities, no edema neuro: unable to evaluate accurately pertinent results: labs: cbc - 20.3/50.7/243- mcv 83; diff- n:91.1 l:6.4 m:2.4 e:0 bas:0.1 chem 7 - 166/5.7/124/22/104/3.2/196 - ag 20 ca: 9.2 mg: 3.0 p: 5.8 pt: 13.2 ptt: 23.9 inr: 1.2 ck: 107 mb: 2, trop-*t*: 0.22 abg on admission to ed - ph 7.36 pco2 41 po2 86 hco3 24 basexs -1 lactate 6.3 u/a - hazy, sg 1.020, mod leuks, trace proteins, trace ketones, >50 wbc, many bacteria. . data: ecg: right axis deviation, rate 150bpm, regular, r-wave regression, ivcd . cxr- - : rightward shift of the mediastinal structures with volume loss, which is difficult to assess with the lack of prior films for evaluation. there may be atelectasis in the right upper lobe, but the presence of pneumonia cannot be fully excluded. there is no evidence of congestive heart failure. there may be dextrocardia. pa and lateral could be helpful for further evaluation. brief hospital course: pt is a 87 yo chronically ill nonverbal male admitted with pneumonia and uti (does not have chronic indwelling catheter) and found to have abnormal lab values including hypernatremia, elevated hct, leukocytosis, elevated creatinine (unknown baseline), elevated lactate (6.3), and elevated troponin. respiratory failure: most likely due to pna given increased wbc, fevers, infiltrate on cxr, and clnical exam. ?rll and retrocardiac infiltrate on cxr and copious secretions. o2 saturations were back to baseline after initiating antibiotics (96% on ra). he received a bedside swallow evaluation which showed that he was at aspiration risk; therefore, and ng tube was placed for nutrition. his respiratory status appeared to be stable but he began to have coffee ground emesis on , and expired within the hour. he was dnr/dni, and we was provided only comfort care, per his granddaughter's wishes. the attending was notified, and the family refused a post-mortem evaluation. medications on admission: colace 250 mg daily acetominophen 650 q4h prn. dulcolex 10 mg prn peridex 5 cc prn fleets enema prn wound - aquacel dressing daily diet thickened with honey consistency- started . discharge medications: deceased discharge disposition: expired discharge diagnosis: deceased discharge condition: deceased discharge instructions: deceased followup instructions: deceased md procedure: venous catheterization, not elsewhere classified enteral infusion of concentrated nutritional substances non-invasive mechanical ventilation diagnoses: urinary tract infection, site not specified acute kidney failure, unspecified unspecified septicemia severe sepsis hypertensive chronic kidney disease, unspecified, with chronic kidney disease stage v or end stage renal disease acute and chronic respiratory failure pneumonitis due to inhalation of food or vomitus loss of weight intestinal infection due to clostridium difficile pressure ulcer, heel hypovolemia hyperosmolality and/or hypernatremia vascular dementia, uncomplicated cerebral atherosclerosis 

Answer: The patient is high likely exposed to