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: service: neonatology history of present illness: is the former 3.36 kg product of a 37 week gestation pregnancy born to a 28-year-old g3, p2 to 3 caucasian female. prenatal screens: blood type ab+, antibody negative, rubella immune, rpr nonreactive, hepatitis b surface antigen negative, group beta for myasthenia diagnosed in . she underwent a thymectomy in . she also has a history of depression treated with zoloft. she is treated with mestinon, but was taken off during this pregnancy. there is also maternal medical history of asthma. the pregnancy was uncomplicated. on fetal survey, mild left hydronephrosis was noted. she presented in labor. rupture delivery. the mother was treated with antepartum antibiotics for greater than four hours during delivery. infant was born by spontaneous vaginal delivery under epidural anesthesia. apgars were 8 at 1 minute and 9 at 5 minutes. he was admitted to the neonatal intensive care unit for observation due to the mother's myasthenia . admission physical exam: weight 3.36 kg, length 52.5 cm, head circumference 34.5 cm, all 90th percentile of 37 weeks. general: non-dysmorphic term male. head, ears, eyes, nose and throat: anterior fontanelles soft and flat, palate intact, symmetric facies. chest: clear breath sounds, no murmur. skin: normal pulses, good perfusion, pink in room air. abdomen: soft, three vessel cord, no hepatosplenomegaly. genitourinary: normal male genitalia, testes descended, patent anus. spine: no sacral dimple. skeletal: no hip click. neurologic: normal tone, toes upgoing, 2+ deep tendon reflexes in the lower extremities, symmetric morrow, good suck. hospital course by systems including pertinent laboratory data: 1. respiratory: had some oxygen desaturations in the first 24 hours of life. he also had some initial grunting, flaring and retracting that resolved within a few hours after birth. for the 48 hours prior to discharge, he has had no episodes of desaturation. 2. cardiovascular: has maintained normal heart rates and blood pressures. no murmurs have been noted. 3. fluids, electrolytes and nutrition: was initially npo and maintained on intravenous fluids. enteral feeds were started late in the date of birth and well tolerated. he takes enfamil 20 po ad lib in good volumes. weight on the day of discharge is 3.29 kg. 4. infectious disease: as his mother had received greater than four hours of antepartum antibiotic prophylaxis, did not require evaluation for sepsis. 5. gastrointestinal: clinical jaundice was observed on day of life #4 and his serum bilirubin was obtained which was a total of 9.2/0.2 direct for an indirect of 9.0. 6. neurologic: has maintained a normal neurological exam throughout his period of observation. there were no neurological concerns at the time of discharge. 7. renal: as noted on prenatal ultrasound, was identified as having mild left hydronephrosis. we recommend a repeat renal ultrasound at one month of age. 8. sensory: had hearing screening performed with automated auditory brain stem responses. he passed in both ears. discharge condition: good discharge disposition: home with parents. primary pediatrician: care is to be provided by pediatric associates, , , , phone number , fax number . care and recommendations at the time of discharge: 1. ad lib po feeding enfamil 20 calories medications: none state newborn screen was sent on day of life #3 with no notification of abnormal results to date. hepatitis b vaccine was administered on . passed a car seat screening test. immunizations recommended: synagis rsv prophylaxis should be considered from through for infants who meet any of the following three criteria: 1. born at less than 32 weeks 2. born between 32 and 35 weeks with plans for daycare during rsv season with a smoker in the household or with preschool siblings. 3. chronic lung disease influenza immunizations should be considered annually in the fall for preterm infants with chronic lung disease once they reach six months of age. before this age, the family and other caregivers should be considered for immunization against influenza to protect the infant. discharge diagnoses: 1. 37 week gestation 2. transitional respiratory distress 3. mild left hydronephrosis on prenatal ultrasound , m.d. dictated by: medquist36 d: 07:04 t: 07:00 job#: procedure: enteral infusion of concentrated nutritional substances prophylactic administration of vaccine against other diseases circumcision diagnoses: need for prophylactic vaccination and inoculation against viral hepatitis single liveborn, born in hospital, delivered without mention of cesarean section neonatal jaundice associated with preterm delivery other preterm infants, 2,500 grams and over routine or ritual circumcision nonspecific (abnormal) findings on radiological and other examination of genitourinary organs 

Answer: The patient is high likely exposed to