Schistosomiasis mansoni in Burundi: progress in its control since 1985

D Engels, J Ndoricimpa, B Gryseels

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Described is the evolution of the schistosomiasis control programme in Burundi since 1985. A single round of selective population chemotherapy was carried out in the Rusizi Plain and the Bugesera focus from 1985 to 1990. The prevalences and intensities of infection as well as the number of symptomatic cases detected in general health services decreased considerably. Annual sample surveys in the treated areas showed, however, that these improvements were rapidly reversed by reinfection of the demographically changing population. Since repeated selective population chemotherapy was not sustainable in the long term, a primary health care approach was adopted. In areas with good access to basic health services, approximately 10% of all schistosomiasis cases now receive treatment annually through this approach. Yearly selective chemotherapy in primary schools in suburban Bujumbura reduced the prevalence of schistosomal infection among pupils from 23% to 9% over the period 1984-90, and this programme has now been extended to highly endemic areas in Imbo-Sud. Focal snail control produced disappointing results, and emphasis has therefore shifted towards health education and environmental control of transmission
Original languageEnglish
JournalBulletin of the World Health Organization
Pages (from-to)207-214
Publication statusPublished - 1993


  • B780-tropical-medicine
  • Helminthic diseases
  • Schistosomiasis
  • Schistosoma mansoni
  • Control
  • Treatment
  • Morbidity
  • Burundi
  • Africa-Central
  • Maps


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