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    Rights statement: This is the author’s version of a work that was accepted for publication in Acta Tropica. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Acta Tropica, 212, 2020 DOI: 10.1016/j.actatropica.2020.105646

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    Embargo ends: 25/07/21

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Piloting an integrated approach for estimation of environmental risk of Schistosoma haematobium infections in pre-school-aged children and their mothers at Barombi Kotto, Cameroon

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  • Max Eyre
  • Michelle Stanton
  • G. Macklin
  • Z. Bartoníček
  • L. O'Halloran
  • Dieudonné R Eloundou Ombede
  • G.D. Chuinteu
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Article number105646
<mark>Journal publication date</mark>1/12/2020
<mark>Journal</mark>Acta Tropica
Volume212
Number of pages5
Publication StatusPublished
Early online date25/07/20
<mark>Original language</mark>English

Abstract

Within schistosomiasis control, assessing environmental risk of currently non-treated demographic groups e.g. pre-school-aged children (PSAC) and their mothers is important. We conducted a pilot micro-epidemiological assessment at the crater lake of Barombi Kotto, Cameroon with GPS tracking and infection data from 12 PSAC-mother pairs (n = 24) overlaid against environmental sampling inclusive of snail, parasite and water-use information. Several high-risk locations or ‘hotspots’ with elevated water contact, increased intermediate snail host densities and detectable schistosome environmental DNA (eDNA) were identified. Exposure between PSAC and mother pairs was temporally and spatially associated, suggesting interventions which can benefit both groups simultaneously might be feasible. When attempting to interrupt parasite transmission in future, overlaid maps of snail, parasite and water contact data can guide fine-scale spatial targeting of environmental interventions.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Acta Tropica. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Acta Tropica, 212, 2020 DOI: 10.1016/j.actatropica.2020.105646