Snapshot A 40-year-old man presents to a hospital after flying from sub-Saharan Africa. He had been on a safari and had sustained multiple mosquito bites. He had not gotten his necessary vaccines, as the trip was planned last-minute. For the past 2 days, he has had fevers, chills, myalgias, and some vomiting. After landing, he had an episode of bloody vomiting. On physical exam, he has a high fever. He also has gingival bleeding, jaundice, and scleral icterus. On abdominal exam, he has hepatosplenomegaly. He is admitted for supportive care and close monitoring. Introduction Classification login to view 5 more bullets Epidemiology login to view 5 more bullets Pathogenesis login to view 4 more bullets Associated conditions login to view 1 more bullet Prevention login to view 3 more bullets Prognosis login to view 2 more bullets Presentation Symptoms login to view 7 more bullets Physical exam login to view 8 more bullets Studies Labs login to view 6 more bullets Guaiac stool testing login to view 1 more bullet Liver biopsy login to view 3 more bullets Making the diagnosis login to view 1 more bullet Differential Dengue fever login to view 3 more bullets Chikungunya login to view 2 more bullets Treatment Conservative login to view 7 more bullets Complications Shock Death Prolonged weakness and fatigue