Related Experiment Video
Updated: May 15, 2025

The Development of Lyophilized Loop-mediated Isothermal Amplification Reagents for the Detection of Coxiella burnetii
Published on: April 18, 2016
[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.
Abstract:
Q fever is caused by Coxiella burnetii, a Gram-negative, intracellular bacterium. Sheep and goats are the main reservoirs of this zoonosis, which is transmitted either by aerosols, over long distances via the wind or through milk or dairy products. Acute Q fever may be asymptomatic, or present as a flu-like syndrome, atypical pneumonia or hepatitis. Chronic Q fever manifests in a wide variety of ways, including blood culture-negative endocarditis, chronic hepatitis, osteoarticular involvement (spondylitis, arthritis, osteitis) or uveitis. Autoimmune diseases can be sometimes induced by chronic Q fever. Diagnosis is confirmed by serology and/or PCR in blood or tissues. The preferred treatment is doxycycline, and hydroxychloroquine is often added to potentiate the therapeutic effect of doxycycline in chronic or disseminated infections.
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.
More Related Videos
11:44Generation and Multi-phenotypic High-content Screening of Coxiella burnetii Transposon Mutants
Published on: May 13, 2015
10:29Applying Fluorescence Resonance Energy Transfer FRET to Examine Effector Translocation Efficiency by Coxiella burnetii during siRNA Silencing
Published on: July 6, 2016
Related Concept Videos
Viral Mutations
Real Time RT-PCR
The real-time quantification of the number of amplified products is...
Pneumonia III: Complications and Assessment
Bacterial Signaling
Viral Recombination