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: erythromycin base attending: addendum: correction to discharge summary: i mistakenly wrote mr. in the section on thrombocytosis, here is the corrected paragraph with mr. name. . #) thrombocytosis: mr. developed thrombocytosis during this hospital stay. platelets reached a peak of 1336. this was thought to be secondary to reactive thrombocytosis due to pneumonia and stemi. heme/onc was consulted given his high risk status in order to rule out other possible causes such as polycythemia . mr. was polycythemic to 55.7 on admission, however this quickly resolved and he was actually anemic for most of his hospital stay. plavix was increased to 75mg for prevention of thrombosis of his bms x 4. a jak 2 level was sent for evaluation of possible polycythemia. reactive thrombocytosis is still the most likely cause of his elevated platelet count. he will follow up in the general clinic regarding this matter. discharge disposition: home md procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours continuous invasive mechanical ventilation for 96 consecutive hours or more insertion of non-drug-eluting coronary artery stent(s) combined right and left heart cardiac catheterization coronary arteriography using two catheters injection or infusion of platelet inhibitor insertion of endotracheal tube angiocardiography of right heart structures control of epistaxis by posterior (and anterior) packing excision of lingual thyroid percutaneous transluminal coronary angioplasty [ptca] procedure on single vessel insertion of four or more vascular stents diagnoses: coronary atherosclerosis of native coronary artery congestive heart failure, unspecified unspecified essential hypertension acute kidney failure, unspecified acute respiratory failure pneumonitis due to inhalation of food or vomitus cardiogenic shock acute myocardial infarction of other inferior wall, initial episode of care acute systolic heart failure other and unspecified complications of medical care, not elsewhere classified epistaxis other drugs and medicinal substances causing adverse effects in therapeutic use essential thrombocythemia 

Answer: The patient is high likely exposed to