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Q fever: a biological weapon in your backyard
Miguel G Madariaga1, Katayoun Rezai, Gordon M Trenholme
1Division of Infectious Disease, Cook County Hospital, Chicago and the Section of Infectious Diseases, Rush-Presbyterian-St Luke's Medical Center, Chicago, IL 60612, USA. migmad@worldnet.att.net
The Lancet. Infectious Diseases
|November 1, 2003
Summary
Coxiella burnetii causes Q fever, a disabling illness. While acute Q fever is treatable, chronic forms and potential bioterrorism use require further consideration for prevention and management.
Area of Science:
- Microbiology
- Infectious Diseases
- Bioterrorism Preparedness
Background:
- Coxiella burnetii is a globally prevalent, highly infectious bacterium responsible for Q fever.
- Livestock are a common reservoir for C. burnetii, facilitating its transmission.
- The bacterium can be cultured in large quantities, despite the laborious process.
Purpose of the Study:
- To highlight the potential of C. burnetii as an aerosolized biological weapon.
- To discuss the acute and chronic manifestations of Q fever.
- To review diagnostic challenges and treatment limitations.
Main Methods:
- Literature review on C. burnetii, Q fever pathogenesis, and clinical presentations.
- Analysis of C. burnetii's potential as a biological threat.
- Evaluation of current diagnostic and therapeutic strategies.
Main Results:
- Aerosolized C. burnetii could cause acute, disabling disease rather than high mortality.
- Late-stage Q fever can lead to fatal endocarditis or debilitating chronic fatigue syndrome.
- Diagnosis can be delayed due to non-specific symptoms.
Conclusions:
- Effective antibiotics exist for acute Q fever but not for chronic complications.
- Vaccination and chemoprophylaxis are potential countermeasures against bioterrorism involving C. burnetii.
- Further research is needed for managing chronic Q fever and enhancing biodefense strategies.