[Q Fever: what's new?]

Axel Minder1, Eleftheria Kampouri1, Noémie Boillat-Blanco1

  • 1Service des maladies infectieuses, Département de médecine, Centre hospitalier universitaire vaudois, 1011 Lausanne.

Revue Medicale Suisse
|April 10, 2025
PubMed

Insights

Q fever, caused by Coxiella burnetii, is a zoonotic disease transmitted from animals like sheep and goats. Diagnosis involves serology or PCR, with doxycycline and hydroxychloroquine as primary treatments.

Area of Science:

  • Bacteriology: Focuses on Coxiella burnetii, the Gram-negative intracellular bacterium responsible for Q fever.
  • Zoonotic Diseases: Investigates the transmission of Q fever from animal reservoirs to humans.

Context:

  • Q fever is a zoonosis primarily associated with sheep and goats.
  • Transmission occurs via aerosols, wind, or contaminated milk and dairy products.

Purpose:

  • To provide a comprehensive overview of Q fever, its causative agent, transmission, clinical manifestations, diagnosis, and treatment.
  • To highlight the diverse presentations of acute and chronic Q fever, including potential autoimmune complications.

Summary:

  • Coxiella burnetii causes Q fever, presenting acutely as flu-like illness, pneumonia, or hepatitis, or chronically with endocarditis, hepatitis, or osteoarticular issues.
  • Diagnosis relies on serology and PCR, with doxycycline and hydroxychloroquine being the recommended treatments, especially for chronic or disseminated infections.

Impact:

  • Enhances understanding of Q fever's multifaceted nature, aiding clinicians in diagnosis and management.
  • Emphasizes the importance of early detection and appropriate treatment to prevent severe complications and autoimmune sequelae.

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