USMLE

Yellow Fever Virus

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Viruses - RNA Viruses
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Key Points

  • Yellow fever virus
    • Member of Flavivirus family
    • Transmission
      • Transmitted by Aedes mosquitoes
      • Monkey or human reservoir
    • Presentation
      • High fever
      • Black vomitus
      • Jaundice/Hepatitis
        • flavi = yellow
      • Hemorrhage (epistaxis, mucosal bleeding)
    • Diagnosis
      • May seen Councilman bodies (eosinophilic apoptotic globules) on liver biopsy