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Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis
Published on: February 24, 2023
[Melioidosis: an emerging tropical disease]
E Valade1, F M Thibault, F V Biot
1Unité de Bacteriologie/UMR-MD1, Institut de Recherche Biomédicale des Armées/CRSSA, La Tronche. evalade@crssa.net
Abstract:
Melioidosis is an infection affecting both human and animal health. The causative agent is Burkholderia pseudomallei, a Gram-negative soil bacterium. Melioidosis is endemic in tropical areas of Southeast Asia and Northern Australia, and sporadic in many other countries. Clinical presentation is variable ranging from acute septicemia, isolated pulmonary infection, or chronic granulomatous lesions to asymptomatic forms with positive serology. There is no vaccine and treatment is difficult because B. pseudomallei is resistant to a wide range of antibiotics. Relapses are common. B. pseudomallei is listed as a biological risk class 3 and considered as a potential bioterrorism agent due to its high virulence by inhalation, to the difficulty of treatment, and to the lack of vaccine.
Insights
Melioidosis is a serious infection caused by Burkholderia pseudomallei, a soil bacterium. Difficult to treat and lacking a vaccine, it poses a significant public health risk.
Area of Science:
- Microbiology
- Infectious Diseases
- One Health
Context:
- Melioidosis is a significant zoonotic disease caused by Burkholderia pseudomallei, a Gram-negative bacterium found in soil.
- It is endemic in tropical regions of Southeast Asia and Northern Australia, with sporadic cases globally.
- The infection presents with diverse clinical manifestations, from acute septicemia to chronic conditions.
Purpose:
- To provide a comprehensive overview of melioidosis, its causative agent, and its impact on human and animal health.
- To highlight the challenges in diagnosis and treatment due to antibiotic resistance and lack of a vaccine.
- To underscore the public health significance and potential bioterrorism concerns associated with Burkholderia pseudomallei.
Summary:
- Burkholderia pseudomallei causes melioidosis, a variable infection affecting humans and animals.
- Treatment is challenging due to widespread antibiotic resistance and the absence of a vaccine, leading to common relapses.
- The bacterium's high virulence and resistance profile classify it as a biological risk agent.
Impact:
- Increased awareness of melioidosis as a critical infectious disease in endemic and non-endemic areas.
- Highlights the urgent need for novel therapeutic strategies and vaccine development against Burkholderia pseudomallei.
- Emphasizes the importance of One Health approaches for managing zoonotic diseases with bioterrorism potential.
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