Malaria outbreak among French army troops returning from the Ivory Coast

Aurélie Mayet1, David Lacassagne, Nicolas Juzan

  • 1Department of Epidemiology and Public Health, Northern Sector, Val-de-Grâce School of Military Medicine, Paris, France. aurelie marie@hotmail.fr

Insights

Malaria cases occurred in French soldiers returning from Ivory Coast, with a higher risk post-return. Many imported malaria cases resulted from early cessation of chemoprophylaxis.

Area of Science:

  • Tropical Medicine
  • Infectious Diseases Epidemiology

Background:

  • Military personnel deployed to malaria-endemic regions face significant health risks.
  • Imported malaria cases pose a public health concern, particularly upon return to non-endemic areas.

Purpose of the Study:

  • To analyze the incidence and characteristics of malaria cases in a French Army unit returning from Ivory Coast in 2006.
  • To assess the risk factors associated with post-return malaria, including chemoprophylaxis adherence.

Main Methods:

  • Retrospective analysis of malaria cases reported within a specific French Army unit.
  • Review of medical records and travel history for diagnosed cases.

Main Results:

  • 39 malaria cases were reported among service members returning from Ivory Coast.
  • 30 cases, including three severe forms, manifested after arrival in France.
  • The incidence of malaria was higher after returning to France than in Ivory Coast.
  • 50% of imported malaria cases involved individuals who prematurely discontinued chemoprophylaxis.

Conclusions:

  • Post-return malaria poses a significant risk to military personnel returning from endemic areas.
  • Inadequate adherence to chemoprophylaxis regimens is a critical factor contributing to imported malaria.
  • Enhanced surveillance and adherence promotion are crucial for preventing post-return malaria in military populations.

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