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: 1. ferrous sulfate 4 mg/kg/d or 0.4 cc qd of 15mg/0.6ml solution, to continue for first year of life. 2. feedings as noted--breastfeeding plus 24 cal/oz breast milk when he takes bottles, with extra calories added by enfamil powder. it is anticipated that as he continues to gain weight, the extra calories and supplementation may be discontinued. discharge diagnoses: 1. prematurity--33 weeks gestational age. 2. neonatal alloimmune thrombocytopenia. 3. anemia. 4. status post hyperbilirubinemia, physiologic. 5. status post sepsis evaluation. , m.d. dictated by: medquist36 procedure: parenteral infusion of concentrated nutritional substances enteral infusion of concentrated nutritional substances other phototherapy prophylactic administration of vaccine against other diseases transfusion of platelets injection or infusion of immunoglobulin diagnoses: single liveborn, born in hospital, delivered by cesarean section need for prophylactic vaccination and inoculation against viral hepatitis neonatal jaundice associated with preterm delivery anemia of prematurity other preterm infants, 2,000-2,499 grams other respiratory problems after birth 33-34 completed weeks of gestation transient neonatal thrombocytopenia 

Answer: The patient is high likely exposed to