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Melioidosis: An Indian Perspective.

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Melioidosis, caused by Burkholderia pseudomallei, is an underestimated infectious disease found in tropical soils and water. Early diagnosis and treatment are crucial to reduce high mortality rates, especially in resource-poor regions.

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Area of Science:

  • Infectious Diseases
  • Microbiology
  • Tropical Medicine

Background:

  • Melioidosis is caused by *Burkholderia pseudomallei*, found in tropical/subtropical soil and water.
  • The bacterium evades immune responses, causing diverse acute, chronic, or latent infections.
  • Disease burden is underestimated, with increased incidence linked to hot, humid climates and extreme weather.

Purpose of the Study:

  • To highlight the underestimated burden of melioidosis.
  • To describe transmission routes and risk factors.
  • To emphasize diagnostic and treatment challenges.

Main Methods:

  • Literature review on melioidosis epidemiology, pathogenesis, and clinical presentation.
  • Analysis of diagnostic methods, focusing on culture.
  • Review of current treatment guidelines for intravenous and oral therapy.

Main Results:

  • Infection occurs via inhalation or inoculation, with rice fields and construction sites as common sources.
  • Over 80% of patients have predisposing comorbid conditions.
  • Melioidosis often mimics tuberculosis, complicating diagnosis.

Conclusions:

  • Prompt diagnosis via blood or abscess fluid culture is critical.
  • Intravenous therapy (4-8 weeks) followed by oral eradication therapy is essential to prevent relapse.
  • High mortality is attributed to diagnostic delays and inadequate treatment, particularly in resource-limited settings.