Snapshot A 30-year-old G1P0 woman delivers a baby with microcephaly at 38 weeks via normal spontaneous vaginal delivery. During her first trimester, she went on a trip to Puerto Rico in December of 2015 and had multiple mosquito bites there. A week after this trip, she had a low-grade fever, itchy maculopapular rash, and conjunctivitis that resolved within 10 days. She had not gone consistently to her prenatal appointments. On physical exam, the baby has congenital microcephaly. A serum sample from the baby is collected. Introduction Classification login to view 5 more bullets Epidemiology login to view 8 more bullets Pathogenesis login to view 3 more bullets Associated conditions login to view 2 more bullets Prognosis login to view 4 more bullets Presentation Symptoms login to view 6 more bullets Physical exam login to view 8 more bullets Studies Labs login to view 5 more bullets Making the diagnosis login to view 1 more bullet Differential Dengue fever login to view 2 more bullets Treatment Conservative login to view 7 more bullets Complications Permanent neurologic damage Guillain-Barré syndrome