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Laboratory acquired murine typhus--a case report

A Norazah1, A Mazlah, Y M Cheong

  • 1Bacteriology Division, Institute for Medical Research, Kuala Lumpur.

The Medical Journal of Malaysia
|June 1, 1995
PubMed
Summary
This summary is machine-generated.

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A laboratory worker contracted murine typhus following accidental exposure to Rickettsia typhi. Prompt treatment with doxycycline led to a successful recovery, highlighting effective therapeutic options for this infectious disease.

Area of Science:

  • * Infectious Diseases
  • * Microbiology
  • * Ophthalmology

Background:

  • * Murine typhus, caused by Rickettsia typhi, is a zoonotic disease typically transmitted by fleas.
  • * Occupational exposure in laboratory settings presents a potential risk for infection.
  • * Understanding transmission routes and clinical presentations is crucial for timely diagnosis and treatment.

Observation:

  • * A 34-year-old laboratory worker experienced an accidental splash of Rickettsia typhi onto her face, specifically the right eye and lips.
  • * The patient subsequently developed symptoms consistent with murine typhus.
  • * This case highlights a direct inoculation route of infection via mucous membranes.

Findings:

  • * Serological testing, specifically the indirect immunoperoxidase test, revealed a four-fold increase in antibodies against Rickettsia typhi.

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  • * The patient demonstrated a positive clinical response to doxycycline therapy.
  • * This confirms the diagnosis and underscores the efficacy of doxycycline in treating murine typhus.

    • Implications:

    • * Accurate and rapid diagnosis of murine typhus is essential for effective patient management.
    • * Doxycycline is confirmed as an effective treatment for Rickettsia typhi infections.
    • * This case emphasizes the importance of strict biosafety protocols in laboratories handling infectious agents like Rickettsia typhi.