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: penicillins / bactrim attending: chief complaint: melena major surgical or invasive procedure: egd central line placement blood transfusions history of present illness: 49 yo m with hx of hiv/aids, polysubstance abuse (heroin, methadone, cocaine, klonopin) and hep c who presented to clinic today with one day hx of "black stool." pt has a history of esophageal vaarices, most recently banded in . in clinic he denied hematemesis, brbpr, n/v, or lightheadedness. his sbp was noted to be 90 without evidence of orthostasis. on rectal exam revealed heme occult positive black stool. given history of bleeding esophageal varices, an attempt was made to send him directly from clinic to the ed for an emergent scope. while in the ed, hct was 27.6 (baseline ~35). he was started on octreotide (50 mcg bolus) and protonix. liver was consulted and decided to scope him in the morning. . currently he feels well w/o complaint. he denies nausea, vomiting, belly pain, fever, chills, cp, sob, lightheadedness. his last heroin use was yesterday. he denies etoh use (last use 15 yrs ago). reports occasional cocaine, methadone (80 mg) and klonipin abuse. was given keflex for le cellulitis one week ago, however, has not taken. past medical history: 1. hiv/aids. (dx . cd4 120 . not on haart since summer secondary to relapse into drug use. not taking prophylactic meds. h/o thrush and zoster, never had pcp, h/o positive toxo igg in , hx of positive cmv igg in , hx of negative rpr in . per id recs on , he should be started on dapsone 100 mg daily for pcp and azithromycin 1200 mg qweek for .) 2. h/o osteomylitis 10 yrs ago (from ivda) in left foot, left knee, left mtp joints 3. gout (dx age 18; hx of tophi removal; on allopurinol in the past. was seen in clinic .) 4. hepatitis c. (dx ; genotype 4a. no hx of jaundice, ascites, or encephalopathy; pt has esophageal varices s/p multiple bandings - most recent novemeber ) 5. substance abuse -- heroin iv almost daily, occasional methadone (has been in methadone programs in his past (last summer ); has also tried inpatient detox programs without success 6. chronic knee pain from degenerative joint disease 7. recent cellulitis - on keflex x 1 week for skin infection secondary to injection of leg veins and skin popping social history: smokes 2 ppd x 20 yrs. no current etoh use (last use 15 yrs ago). polysubtance abuse - daily heroin, occasional methadone, cocaine, and benzos. contracted hiv and hep c from ivda. lives alone. unemployed. family history: non-contributory. physical exam: tc 97.5 bp 98/51 hr 65 rr 14 100% ra, ns at 200 cc/hr gen: tired appearing pale male, nad heent: dry mm, anicteric neck: no jvd cv: rrr, no m lungs: coarse breath sounds throughout, expiratory wheezes troughout abd: soft, nt, no ascites, no stigmata of chronic liver disease, +bs, +splenomegaly ext: right le + pitting edema, left w/o edema, palpable dp pulses, small areas of ulceration over le's with area of erythema and warmth of right shin and foot, left foot with well healed old scars neuro: a&ox3, no asterixis pertinent results: 06:51pm asa-neg ethanol-neg acetmnphn-neg bnzodzpn-pos barbitrt-neg tricyclic-neg 06:30pm glucose-80 urea n-23* creat-1.1 sodium-138 potassium-4.4 chloride-103 total co2-27 anion gap-12 06:30pm calcium-8.2* phosphate-4.7* magnesium-1.9 06:30pm alt(sgpt)-15 ast(sgot)-21 ld(ldh)-160 alk phos-59 tot bili-0.3 06:30pm wbc-1.4* rbc-3.72* hgb-9.3* hct-27.6* mcv-74*# mch-25.1*# mchc-33.7 rdw-17.5* 06:30pm plt count-67* 06:30pm pt-13.6* ptt-23.3 inr(pt)-1.2 06:35pm lactate-1.6 k+-4.7 . abd us: no intraabdominal ascites. splenomegaly . rle us: no evidence of right lower extremity dvt. . : cxr right subclavian line has been inserted with the tip at the confluence of brachiocephalic veins and lateral. clear with pna/ptx brief hospital course: 49 yo m with history of hiv/aids (cd4 120), hepatitis c, bleeding esophageal varices, and heroin and methadone abuse admitted for eval of melena. the patient was admitted to the icu for monitoring and egd. he underwent egd and banding x 3 on . the liver team was consulted and recommended 5 days of iv octreotide at 50 mcg/hr. he received a total of 4 units of prbcs and 1 pack of platelets. after this, his hct remained stable for the next 3 days. he received po ppi and carafate. he received 2 days of levoflox for sbp but this was stopped since there was no evidence of ascites or infection. on the floor he was started on nadolol; this had to be stopped after one dose due to aymptomatic bradycardia to the 40s. on discharge the patient was tolerating pos well, with non-melenotic stools. . the patient's icu course was complicated by continued heroin use. he admitted to ingesting heroin and was found to have heroin on his person, as well as methadone prescribed to another individual. security and administrator supervisor were involved. a 1:1 sitter watched the patient after this event and he was allowed no visitors. was maintained on methadone 80 mg po daily (although he is not prescribed this at home). the substance abuse nurse met with the patient and discussed methadone programs with him. the patient was discharged with a 75 mcg fentanyl patch, to last him until monday. on monday he is to report to habit management to enroll in a methadone program. he was strongly warned about the fatal complications of taking heroin or methadone while on the fentanyl patch. the patient received a nicotine patch while in house. . the patient had been off haart for his hiv/aids for several months. his cd4 was 128 on . id was made aware of patient's admission (dr. . we continued to hold his haart per id. he was continued on his dapsone and azithromycin prophyllaxis for pcp and mac. . his hepatitis c was stable, without indication of liver failure. an abdominal us on showed no ascites or hcc. his afb from <1.01, lfts stable. he received 2 days of sbp with levoflox as above. . the patient has a cellulitis from skin popping and ivdu. he had been prescribed keflex as an out-patient 1 week prior to admission, but patient has not taken. dvt of right le was ruled out with ultrasound. he was started on a 14 days course on ancef. . a right sc line was placed for access without complication. this was pulled on day of discharge. . he received pneumoboots for left leg and bowel regimen. medications on admission: none discharge medications: 1. ipratropium bromide 18 mcg/actuation aerosol sig: two (2) puff inhalation qid (4 times a day). 2. albuterol 90 mcg/actuation aerosol sig: 1-2 puffs inhalation q6h (every 6 hours) as needed. 3. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). disp:*60 capsule(s)* refills:*0* 4. nicotine 21 mg/24 hr patch 24hr sig: one (1) patch 24hr transdermal daily (daily). 5. sucralfate 1 g tablet sig: one (1) tablet po qid (4 times a day). disp:*60 tablet(s)* refills:*2* 6. cephalexin 500 mg capsule sig: one (1) capsule po q12h (every 12 hours) for 1 weeks. disp:*14 capsule(s)* refills:*0* 7. pantoprazole 40 mg tablet, delayed release (e.c.) sig: one (1) tablet, delayed release (e.c.) po q12h (every 12 hours). disp:*30 tablet, delayed release (e.c.)(s)* refills:*2* 8. azithromycin 600 mg tablet sig: two (2) tablet po 1x/week (mo). disp:*10 tablet(s)* refills:*2* 9. dapsone 100 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*2* 10. fentanyl 75 mcg/hr patch 72hr sig: one (1) transdermal every seventy-two (72) hours for 1 doses. disp:*1 patch* refills:*0* discharge disposition: home discharge diagnosis: melena esophageal varices cellulitis substance abuse .... aids hcv discharge condition: hemodynamically stable with hct stable over 4 days. no melenotic stools. tolerating po. discharge instructions: please return if you experience black stools, bloody stools, bloody vomit, fever > 100.5, lightheadedness, or any other worrisome symptoms. . please take all medications as directed. you have been started on 2 antibiotics for prevention of infections. you have also prescribed one week more of an antibiotic for your skin infection. you have also been started on two medications for your esophageal varices. . you have also been given a prescription for a fentanyl patch. you should place the patch on friday; this will last you until monday when you should go to the habit management methadone program. if you take heroin or methadone while on the fentanyl, you are at risk of overdosing and this could be fatal. followup instructions: provider: west,room one gi rooms date/time: 8:30 . provider: , md phone: date/time: 8:30 . provider: , md phone: date/time: 9:30 procedure: venous catheterization, not elsewhere classified endoscopic excision or destruction of lesion or tissue of esophagus transfusion of packed cells transfusion of platelets diagnoses: acute kidney failure with lesion of tubular necrosis cirrhosis of liver without mention of alcohol iron deficiency anemia secondary to blood loss (chronic) portal hypertension unspecified viral hepatitis c without hepatic coma gout, unspecified human immunodeficiency virus [hiv] disease cellulitis and abscess of leg, except foot personal history of noncompliance with medical treatment, presenting hazards to health esophageal varices in diseases classified elsewhere, with bleeding osteoarthrosis, unspecified whether generalized or localized, lower leg combinations of opioid type drug with any other drug dependence, unspecified ulcer of calf 

Answer: The patient is high likely exposed to