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🦠microbiology review

Bartonella quintana

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Bartonella quintana is a gram-negative bacterium that causes trench fever, primarily transmitted by the human body louse. It can lead to recurrent fevers and other systemic symptoms affecting the circulatory system.

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5 Must Know Facts For Your Next Test

  1. Bartonella quintana is transmitted through the bites of infected human body lice.
  2. It is known for causing trench fever, which was first recognized during World War I.
  3. Symptoms of infection include recurrent fevers, headache, rash, and pain in the legs and back.
  4. Diagnosis typically involves serological tests or PCR to detect bacterial DNA in blood samples.
  5. Treatment usually includes antibiotics such as doxycycline or erythromycin.

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