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: the patient is a 55 year-old male with a history of a traumatic brain injury approximately twenty years ago with seizure disorder since that time, obstructive sleep apnea, chronic obstructive pulmonary disease and reported coronary artery disease who was found unresponsive on the floor by the team this morning. the patient was admitted last evening from the nursing home after being noted to be hypoxic to 76% o2 sat on room air with decreased responsiveness and was taken to the emergency department. in the emergency department the patient was noted to have a temperature of 93.0, which is his baseline, pulse of 58, blood pressure 110/60 and respiratory rate 24 with an o2 sat of approximately 80% on room air and as good as 95% on 4 liters. his lung examination at that time showed diffuse rhonchi and a chest x-ray revealed a right middle and left lobar pneumonia dr., 12-929 dictated by: medquist36 procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours venous catheterization, not elsewhere classified spinal tap incision of lung insertion of endotracheal tube enteral infusion of concentrated nutritional substances arterial catheterization percutaneous [endoscopic] gastrojejunostomy diagnoses: thrombocytopenia, unspecified congestive heart failure, unspecified chronic airway obstruction, not elsewhere classified coronary atherosclerosis of unspecified type of vessel, native or graft other convulsions acute respiratory failure pneumonitis due to inhalation of food or vomitus old myocardial infarction 

Answer: The patient is high likely exposed to