Oct 25, 2018

Strongyloides stercoralis: spatial distribution of a highly prevalent and ubiquitous soil-transmitted helminth in Cambodia

BioRxiv : the Preprint Server for Biology
Armelle ForrerPeter Odermatt

Abstract

Background Strongyloides stercoralis is a neglected soil-transmitted helminth that occurs worldwide and can cause long-lasting and potentially fatal infections due to its ability to replicate within its host. S. stercoralis causes gastrointestinal and dermatological morbidity. The objective of this study was to assess the S. stercoralis infection risk, and using geostatistical models, to predict its geographical distribution in Cambodia. Methodology / Principal Findings A nation-wide community-based parasitological survey was conducted among the population aged 6 years and above. S. stercoralis was diagnosed using a serological diagnostic test detecting antigens in urine. Data on demography, hygiene and knowledge about helminth infection were collected. S. stercoralis prevalence among 7,246 participants with complete data record was 30.5% and ranged across provinces between 10.9% and 48.2%. The parasite was ubiquitous in Cambodia, with prevalence rates below 20% only in five south-eastern provinces. Infection risk increased with age both in men and women although girls aged less than 13 years and women aged 50 years and above had lower odds of infection than their male counterparts. Open defecation was associated with higher od...Continue Reading

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Mentioned in this Paper

Strongyloides stercoralis antigen
Study
Urine
National Survey
Morbidity Aspects
Rice (Dietary)
Blood Donation
Strongyloides stercoralis
Ivermectin
Helminths

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