Trypanosoma brucei

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Trypanosoma brucei

  • Spread by bite of tsetse fly (Glossinia species)
    • Both males and female flies carry and spread disease
    • Fly feeds during the day
    • Only small percentage of flies infected
  • Two subspecies: morphologically indistinguishable
  • T. brucei gambiense
    • Found in West and Central Africa
    • Causes most cases
    • Tsetse fly lives along streams in vegetation and forested areas
  • T. brucei rhodesiense
    • Found is East and Southeast Africa
    • More limited foci
    • Tsetse flies found in savannahs that dot the Serengeti

CDC