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: discharge medications: continue ampicillin and gentamicin for a total of 7 days. car seat position screening is not applicable. state newborn screens were sent as per protocol and had been within normal limits. the infant received hepatitis b vaccine on . discharge diagnosis: pneumonia. , dictated by: medquist36 d: 21:13:55 t: 21:51:26 job#: procedure: spinal tap incision of lung 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 other "heavy-for-dates" infants routine or ritual circumcision congenital pneumonia 

Answer: The patient is high likely exposed to