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: gi bleed major surgical or invasive procedure: egd history of present illness: this is a 19 year-old male with no significant past medical history who presented today with ugi bleed. patient reported that on monday he felt like he was getting a cold as he felt fatigued and complained of sinus congestion. he took tylenol sinus that day. he also noticed a dark stool on the mornings of mon, tues and wed. he called his school clinic and went in for an appointment and was found to be guaic pos on tuesday. he was advised to go home on tuesday and came back to his parent's house in mass. he had a gi appt today and after the appointment felt weak upon standing, syncopized and had large projectile coffee ground emesis witnessed by his mother. was brought to the ed. prior to this event pt denies use of any nsaids. he drinks etoh weekly and usually binges. last drink was friday where he drank approx 12 etoh beverages. no otc supplements, steroids, etc. no previous episodes of melena or hematochezia. no family history of gi bleeds. no recent travel. no fever or chills. no recent weight loss. . in the ed, his initial vs were: t 98.2, p 96, bp 118/75, r 18 , o2 sat 100 ra. he was given 40 mg iv protonix. he went for egd which showed multiple erosions and blood in the stomach but no active bleeding. no intervention was done. . in the icu, his initial vs were: p 71, bp 107/59, r 16, o2 sat 100% ra. patient felt well. only complained of feeling "gassy". denied dizziness, ha, chest pain, sob, palp, nausea, vomiting, diarrhea, constipation, le edema, etc. past medical history: acne social history: patient is a college student at . he does not smoke tobacco, but occasionally smokes flavored tobacco and pot. no other drug use. binge drinks weekly but is not a daily drinker. studying computer science. eats a normal diet. no recent travel or sick contacts. family history: no family history of gi bleeds physical exam: vitals: t: afebrile bp: 107/59 hr: 71 rr: 16 o2sat: 100% ra gen: well-appearing, well-nourished, no acute distress heent: ncat, eomi, perrl, sclera anicteric, dried blood in right nares, mmm, op clear without blood in op neck: no jvd, carotid pulses brisk, no bruits, no cervical lymphadenopathy, trachea midline cor: rrr, no m/g/r, normal s1 s2, radial pulses +2 pulm: lungs ctab, no w/r/r abd: soft, nt, nd, +bs, no hsm, no masses ext: no c/c/e, no palpable cords neuro: alert, oriented to person, place, and time. cn ii ?????? xii grossly intact. moves all 4 extremities. strength 5/5 in upper and lower extremities. patellar dtr +1. skin: no jaundice, cyanosis, or gross dermatitis. no ecchymoses pertinent results: 05:31am blood wbc-4.9 rbc-2.89* hgb-9.4* hct-24.9* mcv-86 mch-32.7* mchc-37.9* rdw-13.3 plt ct-124* 12:00pm blood neuts-48.0* lymphs-46.9* monos-4.3 eos-0.8 baso-0 05:31am blood pt-14.4* ptt-33.9 inr(pt)-1.3* 05:31am blood glucose-79 urean-16 creat-0.8 na-138 k-4.2 cl-108 hco3-26 angap-8 12:00pm blood alt-16 ast-18 alkphos-40 totbili-0.3 05:31am blood calcium-7.8* phos-3.2 mg-1.8 05:31am blood gastrin-pnd 10:56am blood hct-pnd egd: multiple erosions in the stomach with stigmata of bleeding. (biopsy) otherwise normal egd to third part of the duodenum recommendations: protonix 40 iv bid transfer to monitor for futher bleeding overnight. serial hct q 6-8 hours follow up h. pylori biospies discontinue amoxicillin consider re-scope in am if further bleeding. brief hospital course: ugib/blood loss anemia: he was resuscitated with crystalloid and 2 units of prbc's. egd showed erosions with stigmata of recent bleeding. biopsies were obtained, and cultures sent for h.pylori, and a gastrin level was sent. based on the egd findings and subsequent history, it is believed that this is related to alcohol binging in the setting of amoxacillin induced gastric irritation. he is scheduled to return for repeat endoscopy and review of lab results. medications on admission: amoxicillin 250 mg tid discharge disposition: home discharge diagnosis: upper gi bleed acute blood loss anemia discharge condition: good discharge instructions: if you develop nausea, vomiting of blood, blood in stool, lightheadedness, return to the emergency room. followup instructions: provider: , md phone: date/time: 9:00 provider: (st-3) gi rooms date/time: 9:00 - please do not eat any food or water starting at midnight on md procedure: esophagogastroduodenoscopy [egd] with closed biopsy transfusion of packed cells diagnoses: acute posthemorrhagic anemia hemorrhage of gastrointestinal tract, unspecified 

Answer: The patient is high likely exposed to