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: bloody emesis major surgical or invasive procedure: egd history of present illness: this is a 69 year old male with a history of htn, gastric ulcers, hld and old cva who woke up this morning feeling weak, dizzy and diaphoretic. he then went to the bathroom and had some bloody emesis and bloody bowel movements. he does not describe melena rather bloody appearing stools. he called who advised a call to ems, and he was tranferred to the ed. he was in his usual state of health prior to this. no recent infections or bowel movement changes. . of note patient reports that he had an upper gi bleed similar to this in the late 70s early 80s which was due to an ulcer possibly related to etoh. at that time he required 6 u of prbc. . in the ed, initial vs were: 97.3 82 142/94 20 100. an ng tube was placed that revealed about 200cc of coffee ground emesis with some bright red blood. the brb cleared after 200cc ns was flushed. he was given 1l of normal saline and protinix iv x 40mg. two 18g piv were placed. his vitals at the time of transfer were: 89 139/92, 16, 100% ra . on the floor, patient was mildly tachycardic ranging from 87-130. he was not complaining of anything. . review of systems: (+) per hpi (-) denies fever, chills, night sweats, recent weight loss or gain. denies headache, sinus tenderness, rhinorrhea or congestion. denies cough, shortness of breath, or wheezing. denies chest pain, chest pressure, palpitations, or weakness. denies nausea, vomiting, diarrhea, constipation, abdominal pain, or changes in bowel habits. denies dysuria, frequency, or urgency. denies arthralgias or myalgias. denies rashes or skin changes. past medical history: hypertension, not treated possible diabetes social history: married, with two daughters and a son. retired, used to work as a manager of a manufacturing plant. tobacco use was 1ppd x approx 40yrs, now 1ppwk. used to be a heavy drinker x 40yrs, now etoh only once a month. no drug use. family history: dm, cad in parents, brother. children healthy. no strokes or seizures. physical exam: physical exam on admission: vitals: t: bp: p: r: 18 o2: general: alert, oriented, no acute distress, ngt in place heent: sclera anicteric, mmm, oropharynx clear neck: supple, jvp not elevated, one non tender freely mobile ln in the l ant cervical chain lungs: coarse breath sounds, rhales and rhonchi on right. cv: regular rate and rhythm, normal s1 + s2, no murmurs, rubs, gallops abdomen: soft, non-tender, non-distended, bowel sounds present, no rebound tenderness or guarding, no organomegaly, no bruits ascultated. ext: warm, well perfused, 2+ pulses, no clubbing, cyanosis or edema pertinent results: labs on admission: 11:05am blood wbc-7.9# rbc-4.29* hgb-11.8* hct-37.9* mcv-88 mch-27.4 mchc-31.1 rdw-15.4 plt ct-232 11:05am blood pt-13.9* ptt-21.5* inr(pt)-1.2* 04:05am blood glucose-114* urean-21* creat-0.9 na-142 k-3.6 cl-113* hco3-22 angap-11 11:05am blood alt-40 ast-52* ck(cpk)-134 alkphos-68 totbili-0.9 labs on discharge: 08:05am blood wbc-5.9 rbc-4.11* hgb-11.6* hct-34.1* mcv-83 mch-28.2 mchc-34.0 rdw-15.2 plt ct-206 08:05am blood glucose-91 urean-14 creat-1.0 na-142 k-3.3 cl-108 hco3-24 angap-13 microbiology: helicobacter pylori antibody test (final ): positive by eia. : blood cx x2: no growth to date studies: egd (): erythema and petechiae in the stomach body compatible with gastritis. ulcer in the duodenal apex (injection) otherwise normal egd to third part of the duodenum brief hospital course: this is a 69 year old male with a history of gastric ulcers, htn, hld old cva without deficits who had bloody emesis on morning of admit. hematemesis: on admission, 2 large bore pivs were placed and ppi drip was initiated. ngt tube was placed and revealed about 200cc of coffee ground emesis with some bright red blood. the brb cleared after 200cc ns was flushed. the patient's hct fell from a baseline of 41 to a nadir of 29. he was transfused a total of 3 units prbcs. he underwent egd which showed gastritis and a non-bleeding ulcer in the duodenal apex which was injected with epinephrine. the patient's antihypertensive medications were held and he briefly needed ntg gtt for hypertension after volume repletion. the patient had a single episode of temperatures to 101 during the time of transfusion. blood culutres yielded no growth prior to discharge. following egd, general surgery was consulted who felt no surgical intervention was necessary. hematocrit stabilized and the patient required no further transfusions. the patient'as diet was advanced and he tolerated po intake. he was switched to po ppi . after positive h. polyri antibody test, treatment for h. pylori was initiated with amoxicillin, clarithromycin and ppi x 10 days. he will follow up in clinic after discharge. ecg changes: on the day of arrival, the patient had mild st depressions inferior/laterally which resolved with prbc transfusion and were not assoicated with ce leak. they were likely related to demand in setting of bleed. miocardial infarction was ruled out by negative cardiac biomarkers. htn: antihypertensives were transiently held in the setting of gi bleed and re-started prior to discharge. hyperlipedemia: atorvastatin was held in acute setting and re-started after egd. medications on admission: atorvastatin 40mg daily lisinopril 30mg daily sildenafil 25mg prn sex aspirin 325mg daily discharge medications: 1. atorvastatin 40 mg tablet sig: one (1) tablet po daily (daily). 2. lisinopril 30 mg tablet sig: one (1) tablet po once a day. 3. pantoprazole 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po q12h (every 12 hours). disp:*60 tablet, delayed release (e.c.)(s)* refills:*0* 4. amoxicillin 500 mg capsule sig: two (2) capsule po q12h (every 12 hours) for 8 days. disp:*32 capsule(s)* refills:*0* 5. clarithromycin 500 mg tablet sig: one (1) tablet po bid (2 times a day) for 8 days. disp:*16 tablet(s)* refills:*0* 6. senna 8.6 mg capsule sig: one (1) capsule po twice a day as needed for constipation. disp:*10 capsule(s)* refills:*0* discharge disposition: home discharge diagnosis: primary: gastritis, upper gi bleed secondary: hypertension, hyperlipidemia discharge condition: mental status:clear and coherent level of consciousness:alert and interactive activity status:ambulatory - independent discharge instructions: you were admitted to the hospital because you developed lightheadedness, dizziness, vomited blood and had bleeding from below. tests performed at the hospital showed that you had a bleed from your stomach or small intestine. an endoscopy was performed to look for the source or bleeding and located an ulcer, which was injected with epinephrine to help stop bleed. after the procedure, you were observed closely to make sure you did not have a repeat bleed. however, your red blood cells remained stable and there was no evidence of further bleeding. you tested positive for bacteria known as h. pylori, which causes ulcers in the small intestine. we prescribed you medicine to eracidate this bacterium. you are now ready to be discharged home. we made the following changes to your medicaitons: 1. we prescribed you pantoprazole 40mg . please make sure to take this medicine as directed to prevent repeat bleeds. do not stop it unless told specifically to do so by your doctor. 2. we started you on amoxicillin 1 gram twice a day. please take it for 8 more days, for a total of 10 days of antibiotics. 3. we started you on clarithromycin 500mg twice a day. please take it for 8 more days, for a total of 10 days. 4. we stopped your aspirin. please do not take that medicine until told otherwise by your doctor. please continue to take all your other medications as prescribed. you have follow-up appointments with your gi doctor and in clinic (see below). if you develop any of the concerning symptoms, such as dizziness, lightheadedness, changes in vision, bleeding from below or vomiting blood, black stools, worsening abdominal pain, please return to the emergency department right away. followup instructions: you have the following follow-up appointments: appoitment #1 md: dr. specialty: post clinic date/ time: , at 10:30am location: , clinical center, north, , phone number: special instructions for patient: this appointment is for follow up to your hospitalization. you will then be connected to your primary care provider after this visit. appointment #2 md: dr. specialty: gastroenterology date/ time: tuesday, at 2:00pm location: , bldg , ma phone number: procedure: arterial catheterization endoscopic control of gastric or duodenal bleeding diagnoses: unspecified essential hypertension acute posthemorrhagic anemia other and unspecified hyperlipidemia unspecified gastritis and gastroduodenitis, with hemorrhage personal history of transient ischemic attack (tia), and cerebral infarction without residual deficits chronic or unspecified duodenal ulcer with hemorrhage, without mention of obstruction helicobacter pylori [h. pylori] 

Answer: The patient is high likely exposed to