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Baseline prevalence and intensity of schistosomiasis at sentinel sites in Madagascar: Informing a national control strategy

Overview of attention for article published in Parasites & Vectors, January 2016
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Title
Baseline prevalence and intensity of schistosomiasis at sentinel sites in Madagascar: Informing a national control strategy
Published in
Parasites & Vectors, January 2016
DOI 10.1186/s13071-016-1337-4
Pubmed ID
Authors

Clara Fabienne Rasoamanamihaja, Alain Marcel Rahetilahy, Bruno Ranjatoarivony, Neerav Dhanani, Luciano Andriamaro, Samuel Hermas Andrianarisoa, Peter Mark Jourdan

Abstract

Schistosomiasis affects more than 800 million people, mostly in sub-Saharan Africa. A baseline sentinel site study was conducted in the Western half of Madagascar to determine the prevalence and intensity of schistosomiasis and soil-transmitted helminth (STH) infections prior to mass drug administration, and to explore the associations between infection and school attendance, and access to water, sanitation and hygiene (WASH) facilities. A three-stage, cluster-randomised cross-sectional study was conducted in 29 sentinel sites in October 2015. Twenty school attending and 4 non-attending children in each of the age groups from 7 to 10 years old were randomly selected at each site for detection of Schistosoma haematobium eggs in a single urine slide by filtration, and of S. mansoni, Ascaris lumbricoides, Trichuris trichiura and hookworm eggs in duplicate Kato-Katz slides from a single stool sample. School attendance was registered individually, and school-level access to WASH facilities was scored through pre-defined observed and reported factors. Logistic regression analysis was performed, adjusting for gender, age and study site. School-level WASH status was analysed using Spearman's rank correlation coefficient. A total of 1,958 children were included. The prevalence of S. haematobium infection and heavy-intensity infection was 30.5 % and 15.1 %, respectively. The prevalence of S. mansoni infection and heavy-intensity infection was 5.0 % and 0.9 %, respectively. The prevalence of any STH infection was 4.7 %. There was no significant difference in prevalence of infection or heavy-intensity infection of either schistosome species between attending and non-attending children, apart from heavy-intensity S. mansoni infection that was significantly more common in children who did not attend school regularly (aOR = 7.5 (95 % CI = 1.1-49.5); p = 0.037). Only a minority of schools had adequate access to WASH facilities, and in this study, we found no significant association between school-level WASH status and schistosomiasis. This study found an alarmingly high prevalence and intensity of schistosomiasis, and the results warrant urgent scale-up of the national NTD control programme that will need to include both non-attending and attending school-age children in order to reach WHO roadmap targets for the control of schistosomiasis by 2020.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 65 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 65 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 17%
Student > Ph. D. Student 11 17%
Researcher 7 11%
Student > Bachelor 6 9%
Student > Doctoral Student 5 8%
Other 10 15%
Unknown 15 23%
Readers by discipline Count As %
Medicine and Dentistry 17 26%
Agricultural and Biological Sciences 6 9%
Environmental Science 5 8%
Nursing and Health Professions 4 6%
Immunology and Microbiology 4 6%
Other 12 18%
Unknown 17 26%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 April 2017.
All research outputs
#8,478,903
of 9,719,571 outputs
Outputs from Parasites & Vectors
#2,378
of 2,746 outputs
Outputs of similar age
#219,425
of 262,101 outputs
Outputs of similar age from Parasites & Vectors
#157
of 160 outputs
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