[The prevalence of yaws among the Aka in the Congo]

M Coldiron1, D Obvala, I Mouniaman-Nara

  • 1mcoldiron@epicentre.msf.org

Insights

A 2012 study in Congo screened 6215 children for yaws (endemic treponemiasis), finding 7.8% with lesions. The Morges strategy used rapid diagnostic tests to identify cases for azithromycin treatment, aiding eradication efforts.

Area of Science:

  • Tropical medicine
  • Public health
  • Infectious disease epidemiology

Context:

  • Yaws (endemic treponemiasis) is a neglected tropical disease prevalent in endemic areas.
  • The Congo, specifically the Bétou and Enyellé districts, faces a significant burden of yaws.
  • Effective screening and treatment strategies are crucial for controlling and eradicating yaws.

Purpose:

  • To screen children for yaws in two districts of the Congo.
  • To evaluate the effectiveness of a rapid diagnostic test for treponema in identifying yaws cases.
  • To assess the prevalence of yaws among children with dermatological problems.

Summary:

  • A 2012 study screened 6215 children in Congo for yaws.
  • Clinical history and examination identified 485 children with suspicious dermatological lesions.
  • A rapid diagnostic test for treponema was positive in 183 (38.1%) of 480 tested children.

Impact:

  • The study identified a 7.8% prevalence of yaws lesions among screened children.
  • The findings support the Morges strategy for yaws eradication through early detection and single-dose azithromycin treatment.
  • This approach can significantly contribute to reducing the burden of yaws in endemic regions.

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