High burden of Schistosoma mansoni infection in school-aged children in Marolambo District, Madagascar

  • Stephen Spencer
  • , James M.St John Penney
  • , Hannah J. Russell
  • , Anthony P. Howe
  • , Cortland Linder
  • , Andriamahitsisambatra L.D. Rakotomampianina
  • , Anjara M. Nandimbiniaina
  • , Bertie Squire
  • , Russell Stothard
  • , Amaya L. Bustinduy
  • , Alain M. Rahetilahy

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Background

A school-based survey was undertaken to assess prevalence and infection intensity of schistosomiasis in school-aged children in the Marolambo District of Madagascar.

Methods

School-aged children from six purposively selected schools were tested for Schistosoma haematobium by urine filtration and Schistosoma mansoni using circulating cathodic antigen (CCA) and Kato-Katz stool analysis. The investigators did not address soil-transmitted helminths (STH) in this study.

Results

Of 399 school-aged children screened, 93.7% were infected with S. mansoni based on CCA analysis. Kato-Katz analysis of stool revealed S. mansoni infection in 73.6% (215/ 292). Heavy infections (> 400 eggs per gram) were common (32.1%; 69/ 215), with a mean of 482 eggs per gram of stool. Moderate infection intensities were detected in 31.2% (67/ 215) and light infection intensities in 36.7% (79/ 215) of infected participants. No infection with S. haematobium was detected by urine filtration.

Conclusions

Intestinal schistosomiasis appears a considerable public health issue in this remote area of Madagascar where there is a pressing need for mass drug administration.

Original languageEnglish
Article number307
JournalParasites and Vectors
Volume10
Issue number1
DOIs
Publication statusPublished - 24 Jun 2017

Keywords

  • Child health
  • Madagascar
  • Neglected diseases
  • Rural health
  • Schistosoma mansoni
  • Schistosomiasis

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