Relapsing Fever

Epidemiology

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Transmission/Microbiology

Tick-Borne Relapsing Fever (see Tick-Borne Illnesses, [[Tick-Borne Illnesses]])

  • Tick Vectors
    • Argasid/Soft-Bodied Ticks: usually Ornithodoros
  • Organisms
    • Borrelia Hermsii: in Mountainous Western US
    • Borrelia Turicatae: in Southwest and South Central US
    • Other Borrelia Species

Louse-Borne Relapsing Fever

  • Louse Vector
    • Pediculosis Humanis Corporis (Body Louse)
  • Organisms
    • Borrelia Recurrentis

Physiology

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Diagnosis

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Clinical Manifestations of Tick-Borne Relapsing Fever

Hematologic Manifestations

Neurologic Manifestations

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Other Manifestations

  • Fever (see Fever, [[Fever]])

Clinical Manifestations of Louse-Borne Relapsing Fever

Hematologic Manifestations

  • Coagulopathy (see Coagulopathy, [[Coagulopathy]])
    • Physiology
      • Impaired Hepatic Production of Clotting Factors
      • Obstruction of Small Vessels by Aggregates of Spirochetes, Red Blood Cell, and Platelets
      • Thrombocytopenia
    • Clinical
  • Splenomegaly (see Splenomegaly, [[Splenomegaly]])

Other Manifestations

  • Fever (see Fever, [[Fever]])

Treatment

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References

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