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: drug overdose major surgical or invasive procedure: endotrachael intubation history of present illness: this is a 46 year-old man with history of ivda, now on methadone who presents to the after being found down on the "t." his initial vitals were hr 48, bp 110/palp, rr 18, 92% with pinpoint pupils. he was given 2 mg iv narcan and became awake and alert, reported taking methadone. foley was placed at which time the patient reportedly had hr drop to the 30s. ekg demonstrated sinus rhythm. he was intubated due to mental status changes (agitation and somnolence) with etomidate and succinylcholine and started on propofol. he also received charcoal and glucagon and subsequently vomitted charcoal. per notes, did not appear to aspirate. he had a head ct which had no abnormalities. his labs in the ed were negative for serum etoh, and negative for serum benzos but positive for urine benzos and urine methadone. urine was negative for opiates, cocaine and amphetamines. the patient was transferred to the intubated on settings of ac, fio2 0.6, tv 600, rr 14, peep 5. past medical history: chronic low back pain from mva lung ca with current mass - gets care at asthma lbp hep c social history: homeless, lives in shelter. attends a methadone program. family history: not contributory physical exam: s: temp: 97 oral bp: 121/64 hr:76 rr:14 o2sat 99 general: pleasant, comfortable, nad heent: pupils 3 mm, equal, round, reactive, vestibuloocular reflex not intact, black staining around lips and mouth, anicteric, mmm,, no supraclavicular or cervical lymphadenopathy, no jvd, no carotid bruits, no thyromegaly or thyroid nodules lungs: coarse lung sounds b/l with good air movement throughout heart: rr, s1 and s2 wnl, no murmurs, rubs or gallops appreciated abdomen: nd, +b/s, soft, nt, no masses or hepatosplenomegaly extremities: no cyanosis, clubbing or edema skin/nails: no rashes/no jaundice/no splinters pertinent results: 05:55am blood wbc-9.9 rbc-4.05* hgb-11.9* hct-37.0* mcv-92 mch-29.5 mchc-32.2 rdw-14.9 plt ct-348 09:00pm blood wbc-10.9 rbc-4.17* hgb-12.7* hct-38.3* mcv-92 mch-30.5 mchc-33.1 rdw-14.7 plt ct-362 09:00pm blood neuts-55 bands-1 lymphs-33 monos-6 eos-2 baso-2 atyps-1* metas-0 myelos-0 09:00pm blood hypochr-1+ anisocy-1+ poiklo-1+ macrocy-1+ microcy-1+ polychr-normal ovalocy-1+ 04:47am blood pt-11.8 ptt-29.8 inr(pt)-1.0 06:50am blood urean-8 creat-0.7 na-141 k-3.8 cl-104 hco3-32 angap-9 09:00pm blood glucose-89 urean-15 creat-1.6* na-149* k-4.9 cl-112* hco3-33* angap-9 05:01am blood alt-61* ast-51* 09:00pm blood alt-67* ast-54* ld(ldh)-274* ck(cpk)-179* alkphos-82 amylase-32 totbili-0.2 06:10am blood mg-1.9 05:01am blood calcium-8.4 phos-3.4 mg-1.9 04:47am blood calcium-8.8 phos-3.1 mg-2.4 09:00pm blood digoxin-<0.2* 09:00pm blood asa-neg ethanol-neg acetmnp-neg bnzodzp-neg barbitr-neg tricycl-neg 10:24pm blood rates-/20 o2 flow-100 po2-420* pco2-46* ph-7.39 caltco2-29 base xs-2 -assist/con intubat-intubated 03:54pm urine color-yellow appear-clear sp -1.010 03:54pm urine blood-neg nitrite-neg protein-neg glucose-neg ketone-neg bilirub-neg urobiln-neg ph-7.0 leuks-neg 04:34am urine rbc-46* wbc-6* bacteri-many yeast-none epi-<1 09:00pm urine bnzodzp-pos barbitr-neg opiates-neg cocaine-neg amphetm-neg mthdone-pos ct head without contrast: no intracranial hemorrhage, mass effect, shift of normally midline structures, or major vascular territorial infarct is apparent. the density values of the brain parenchyma appear within normal limits. size of ventricles, sulci, and cisterns is within normal limits. mucosal thickening is seen in several ethmoid air cells, one of which contains an air-fluid level. the mastoid air cells are clear. bony structures and surrounding soft tissue structures appear unremarkable. impression: no evidence of acute intracranial hemorrhage. blood culture aerobic bottle-pending; anaerobic bottle-pending inpatient blood culture aerobic bottle-pending; anaerobic bottle-pending inpatient urine urine culture-final inpatient portable supine chest 5:01 a.m. indication: ett placement. pneumonia. findings: compared with , the tip of the ett remains 4.5 cm above the carina. allowing for lower lung volumes and the supine position no overt chf. some linear retrocardiac atelectasis is now present, but no confluent infiltrates are appreciated. brief hospital course: drug overdose - pt reports starting to use opiates (heroin) 7 yrs ago chronic low back pain. after several yrs, he lost his house and commercial truck. while being homeless, pt started to attend methadone clinic and reports being on 120 mg of methadone (confirmed by calling them). pt continued to experience pain and felt that methadone was not sufficiently covering his pain. that's why, he started to add benzodiazepines (xanax, bar shaped, unknown dose) which hewas buying on the streets. day before admission, pt bought small blue pills. he believed that those xanax pills have lower dose and took between 5 or 10 pills. pt denied suicidal intent. additionally, pt reported being increasingly depressed x at least2 yrs (after loosing his truck): he was increasingly tearful,sad, anxious, worried about future. +decreased sleep, decrease ofappetite and loosing weight (from to 230 to 187 lbs). he admits feeling helpless and hopeless. month ago, he was told though, he denies any direct thoughts to kill himself, he admitted to not caring about his life. he also says, "i will be dead if they (baycove) kick me out". pt denies aver seeing psychiatrist or being admitted to psychiatric hospital. he tried to go to but was not admitted and did not see psychiatrist. he denies any hx of suicide attempts. he was in acute resp failure from the drug overdose. tolerated extubation well and then was transferred to the floor. he was alert and oriented but depressed. psych did not feel he needed any sitter. they offered him dual diagnosis rx but he did not accept this. on initial eg - qtc interval was prolonged. this was likely from the drug effect esp methadone. pain service was involed and the regimen was changed with decreasing dose of methadone and starting other pain meds to counteract the pain and to minimize dose of methadone. his pain was well controlled at discharge, he was given enough rx till he sees his new pcp at and he was advised to go back to the methadone program. they were informed of the change in dose of methadone. he had low grade fevre a day before dc, no clear inf source found. he was advised to continue to either follow at for h/o lung cancer or talk to his new pcp here at for transferring care. medications on admission: methadone 120mg daily (from program) xanax - (non-prescription) discharge medications: 1. senna 8.6 mg tablet sig: one (1) tablet po bid (2 times a day) as needed. disp:*30 tablet(s)* refills:*0* 2. folic acid 1 mg tablet sig: one (1) tablet po daily (daily). disp:*30 tablet(s)* refills:*0* 3. albuterol 90 mcg/actuation aerosol sig: 1-2 puffs inhalation q6h (every 6 hours) as needed. disp:*1 * refills:*0* 4. thiamine hcl 100 mg tablet sig: one (1) tablet po daily (daily). disp:*35 tablet(s)* refills:*0* 5. docusate sodium 100 mg capsule sig: one (1) capsule po bid (2 times a day). disp:*70 capsule(s)* refills:*0* 6. lidocaine 5 %(700 mg/patch) adhesive patch, medicated sig: one (1) adhesive patch, medicated topical daily (daily). disp:*35 adhesive patch, medicated(s)* refills:*0* 7. gabapentin 300 mg capsule sig: one (1) capsule po q8h (every 8 hours). disp:*100 capsule(s)* refills:*0* 8. baclofen 10 mg tablet sig: 0.5 tablet po tid (3 times a day). disp:*50 tablet(s)* refills:*0* 9. ibuprofen 600 mg tablet sig: one (1) tablet po q6h (every 6 hours) as needed for pain. disp:*30 tablet(s)* refills:*0* 10. ipratropium bromide 17 mcg/actuation aerosol sig: two (2) puff inhalation q4-6h (every 4 to 6 hours) as needed. disp:*1 * refills:*0* 11. clonidine 0.1 mg tablet sig: one (1) tablet po bid (2 times a day). disp:*70 tablet(s)* refills:*2* 12. lidocaine 5 %(700 mg/patch) adhesive patch, medicated sig: one (1) adhesive patch, medicated topical once daily (). disp:*35 adhesive patch, medicated(s)* refills:*0* 13. methadone return to your methadone program to continue to take the methadone as prescribed. (60 mg daily in morning) discharge disposition: home discharge diagnosis: drug overdose acute respiratory failure requiring intubation - resolved prolonged qt interval - resolved depression h/o lung cancer - per patient discharge condition: stable. not suicidal or homicidal. discharge instructions: return to the hospital if you have fevers, chills, dizziness, chest pain, pain or any other symptoms of concern to you. you have an appointment scheduled for primary care at this hospital. please keep your appointments. the primary doctor will be caring you for further medicine and health care needs. talk to your new doctor about further testing or followup for the lung cancer. return to your methadone program - bay cove for continuing the methodone. the dose has been reduced as the higher dose was having an ill-effect on your heart. you are being given a letter that you should give to your counsellor at the program stating the new dosing. followup instructions: dr. , md phone: date/time: 1:30 at . return to your methadone program - bay cove for continuing the methodone. procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours insertion of endotracheal tube diagnoses: chronic hepatitis c without mention of hepatic coma asthma, unspecified type, unspecified depressive disorder, not elsewhere classified poisoning by benzodiazepine-based tranquilizers acute respiratory failure malignant neoplasm of other parts of bronchus or lung lumbago combinations of opioid type drug with any other drug dependence, continuous poisoning by methadone nonspecific abnormal electrocardiogram [ecg] [ekg] poisoning by tranquilizers and other psychotropic agents, undetermined whether accidentally or purposely inflicted poisoning by analgesics, antipyretics, and antirheumatics, undetermined whether accidentally or purposely inflicted 

Answer: The patient is high likely exposed to