Borrelia spp.

• Borellia spp.

  • Helical coiled bacteria
  • Transmitted via arthropod vectors: lice and ticks
  • Flexible twisted Organism resembling stretch spiral
• B. recurrentis

  • Agent : louse borne relapsing fever
  • Vector : human louse
  • high fever, muscle and bone pain
• B. hermsii / Parker

  • tick borne relapsing fever
  • Vector : Ornithodoras ticks
• B. burgdorferi

  • Agent : Lyme disease
  • Vector : Ixoda ticks and deer ticks

  Three stages

  1. Appearance of lesions
  2. Dissemination thru blood
  3. Chronic stage
• Borrelia spp. Lab diagnosis

  CULTURE

  • Kelly's medium
  • Barbour Stoenner Kelly's

  SEROLOGICAL TEST

  • ELISA
  • Western blot - Gold standard