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 a 74-year-old gentleman with a history of ruptured aneurysm in his brain in who has been on hospice care for the previous two years comes in from home with respiratory distress. he was in his usual state of poor health until two days prior to admission when he noted nausea, vomiting, shortness of breath, and cough with sputum. on arrival to the emergency room, upon request of his family, his code status was reversed from "do not resuscitate"/"do not intubate" to full code. in the emergency department he was tachycardiac and hypoxic but not hypotensive. he was intubated given his hypoxia refractory to six liters nasal cannula or nonrebreather. he was fluid resuscitated with five liters normal saline and given ceftriaxone, levofloxacin, and metronidazole. he was started on phenylephrine for hypotension then transferred to the fennard intensive care unit. past medical history: 1. "brain aneurysm" rupture in at . 2. sacral decubitus. 3. cataracts. 4. hypertension. medications: 1. baclofen. 2. trazodone. 3. amantadine. 4. multivitamin. social history: disabled former korean war veteran. he has a history of smoking one pack per day but quit two years ago. alcohol in the past but quit. no drugs. family history: his sister has had diabetes mellitus and cervical cancer. physical examination on admission: temperature 98.5 f, pulse is 157 in atrial fibrillation, blood pressure is 117/74, and he is % on assist control 500 x 20 with a positive end-expiratory pressure of 5. his cvp is noted to be 6. he was sedated and intubated. oropharynx is without thrush. his neck is noted as flat jugulovenous pressure; no lymphadenopathy or bruit. his chest shows diffuse rhonchi. heart is regularly irregular. abdomen is soft. bowel sounds are present. skin shows the sacral decubitus is clean, dry, and intact. he has vesicles in his right thorax. extremities are unremarkable. laboratory data: his white count was 4 with 28% neutrophils, 20 bands, 38 lymphs, 6 metamyelocytes, and 2 myelocytes. his hematocrit was 47, platelets were 78. his inr was 1.4, his ptt was 36.6. his dic panel revealed a fibrinogen of 342. his sodium was 141, potassium 5.1, bun 101, bicarbonate 23, bun 58, and creatinine 2.4. his baseline was below 1. urinalysis showed greater than 50 white cells. initial abg was 7.37 with a pco2 of 35 and bicarbonate of 21 and a po2 of 45. he subsequently developed a metabolic acidosis during the admission. chest x-ray showed right lung with patchy opacities, left midline with nodular opacities suggestive of a right multifocal pneumonia. ekg revealed atrial fibrillation. hospital course in total: the patient was admitted to the fennard icu with the diagnosis of sepsis secondary to pulmonary or urine source. he was aggressively treated with pressors, broad spectrum antibiotics, and acyclovir for shingles. he was maintained on mechanical ventilation. his blood cultures began growing gram negative rods for which gentamicin was added. on the third hospital day at the results of a family meeting, the decision was made to withdraw care and make the patient "comfort measures only," at which point he was maintained on fentanyl drip only. the patient expired the following day. postmortem examination was declined. , m.d. dictated by: medquist36 procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours venous catheterization, not elsewhere classified insertion of endotracheal tube enteral infusion of concentrated nutritional substances arterial catheterization diagnoses: urinary tract infection, site not specified acute kidney failure, unspecified atrial fibrillation acute respiratory failure cardiac arrest septic shock acute myocardial infarction of unspecified site, initial episode of care septicemia due to gram-negative organism, unspecified bacterial pneumonia, unspecified 

Answer: The patient is high likely exposed to