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: full code universal precautions access: rij, l radial art allergies: none pmh: htn, alzheimer's disease, dementia. neuro: current sedation fent 25mcg/hr, versed 1mg/hr. daily wake up this morning, patient opened eyes to voice, nodded/shook head appropriately to questions, squeezed hand to command. then became increasingly agitated, tachy to 130;s, htn to 170's. sedation re-started, titrated up for effect. zyprexa added and able to come back down on drips. perl, moving all extremites strongly. does purposefully reach for ett. denied pain. cv: nsr/st rate 80-130's. bp 89-170/50-90. levophed gtt currently at 0.04mcg/kg/min. had been weaned off, re-started for goal map>60. palpable pedal pulses bilat. hct 28.3 this am, repeat @1500=28.5. resp: lung sounds coarse throughout. suctioning for very thick yellow sputum, copious amounts after turning or chest pt. sputum cultures x2 negative although one gram stain showed gnrs. large amounts thick clear oral secretions. #7.5 ett taped 23cm @ lip. vent settings ac 500/16/5/.40. rsbi=115. gi: probalance tube feeding via ogt continuous at goal rate 45cc/hr. no residuals. abdomen soft, +bs present. free water flush reduced to 30cc q6hr this shift. mushroom cath removed due to semi-formed stool. gu: foley cath patent, draining yellow urine with sediment, 35-80cc/hr. patient is over 1 liter positive for 24 hours, over 10 liters positve los. not diuresed this shift due to pressor requirements. id: pan cultures no growth to date. broad spectrum coverage for pneumonia with levaquin, zosyn, and vanco. zosyn d/c'd this shift. wbc=9.8. tmax=99.1. social: son in to visit, updated by rn. asked similar questions several times, did not really listen to/ understand answers. patient's daughter called upset after speaking to her brother, was updated by md. patient's children state it is ok for patient's brother ( retired md) to receive information by phone. plan: wean levophed as tolerated. possible diuresis once hemodynamically stable. rsbi and psv trial in am. zyprexa added for easier weaning of sedation when time comes as patient becomes quickly agitated during wake-ups. chest pt as tolerated, guiafenesin added to help mobilize sputum. procedure: venous catheterization, not elsewhere classified diagnostic ultrasound of heart insertion of endotracheal tube arterial catheterization closed [endoscopic] biopsy of bronchus diagnoses: pneumonia, organism unspecified subendocardial infarction, initial episode of care congestive heart failure, unspecified unspecified essential hypertension acute kidney failure, unspecified unspecified septicemia severe sepsis atrial fibrillation pulmonary collapse acute respiratory failure alkalosis septic shock calculus of gallbladder without mention of cholecystitis, without mention of obstruction hypoxemia alzheimer's disease hyperosmolality and/or hypernatremia other and unspecified complications of medical care, not elsewhere classified shock, unspecified dementia in conditions classified elsewhere with behavioral disturbance 

Answer: The patient is high likely exposed to