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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-54266

Becker, S L; Sieto, B; Silué, K D; Adjossan, L; Koné, S; Hatz, C; Kern, W V; N'Goran, E K; Utzinger, J (2011). Diagnosis, clinical features, and self-reported morbidity of Strongyloides stercoralis and hookworm infection in a Co-endemic setting. PLoS Neglected Tropical Diseases, 5(8):e1292.

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Abstract

BACKGROUND:

Infections with Strongyloides stercoralis and other helminths represent important, yet often neglected issues in developing countries. Indeed, strongyloidiasis can be fatal, but only a few studies provide information regarding its health relevance in Africa. Moreover, clinical data on symptomatology and typical recognition patterns mainly originate from Western travel clinics.
METHODOLOGY:

A cross-sectional epidemiological survey was carried out in a rural part of south-central Côte d'Ivoire. Stool samples from 292 randomly selected individuals were examined for intestinal helminths, using a suite of diagnostic techniques (i.e., Kato-Katz, Baermann funnel, and Koga agar plate). Participants were interviewed with a pre-tested questionnaire and clinically examined. Multivariate logistic regression analysis was done to relate perceived morbidity and clinical findings to helminth infection status.
PRINCIPAL FINDINGS:

The prevalence of hookworm and S. stercoralis was 51.0% and 12.7%, respectively. Both infections were strongly associated with each other (adjusted odds ratio, 6.73; P < 0.001) and higher prevalences were observed with age. S. stercoralis-infected individuals expressed self-reported morbidity considerably more often than those with hookworm infection. Clinical examination identified high prevalences of various pathologies and detected tendencies to worse health conditions in helminth-infected subjects.
CONCLUSIONS/SIGNIFICANCE:

The use of multiple diagnostic tools showed that S. stercoralis and hookworm are co-endemic in rural Côte d'Ivoire and that each infection causes clinical symptoms and sequelae. Our findings are important for (re-)estimating the burden of helminth infections, and highlight the need for integrating epidemiological surveys, rigorous diagnostic approaches, and clinical assessments in the developing world.

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19 citations in Web of Science®
21 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Epidemology, Biostatistics and Prevention Institute (EBPI)
DDC:610 Medicine & health
Language:English
Date:2011
Deposited On:07 Jan 2012 16:52
Last Modified:12 Nov 2014 12:24
Publisher:Public Library of Science (PLoS)
ISSN:1935-2727
Publisher DOI:10.1371/journal.pntd.0001292
PubMed ID:21886853

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