Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia

In Ethiopia, human schistosomiasis is caused by two species of schistosome, <i>Schistosoma mansoni and S. haematobium,</i> with the former being dominant in the country, causing infections of more than 5 million people and more than 37 million at risk of infection. What is more, new tran...

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Main Authors: Keerati Ponpetch, Berhanu Erko, Teshome Bekana, Tadesse Kebede, Di Tian, Yang Yang, Song Liang
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Microorganisms
Subjects:
Online Access:https://www.mdpi.com/2076-2607/9/10/2144
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author Keerati Ponpetch
Berhanu Erko
Teshome Bekana
Tadesse Kebede
Di Tian
Yang Yang
Song Liang
author_facet Keerati Ponpetch
Berhanu Erko
Teshome Bekana
Tadesse Kebede
Di Tian
Yang Yang
Song Liang
author_sort Keerati Ponpetch
collection DOAJ
description In Ethiopia, human schistosomiasis is caused by two species of schistosome, <i>Schistosoma mansoni and S. haematobium,</i> with the former being dominant in the country, causing infections of more than 5 million people and more than 37 million at risk of infection. What is more, new transmission foci for <i>S. mansoni</i> have been reported over the past years in the country, raising concerns over the potential impacts of environmental changes (e.g., climate change) on the disease spread. Knowledge on the distribution of schistosomiasis endemic areas and associated drivers is much needed for surveillance and control programs in the country. Here we report a study that aims to examine environmental determinants underlying the distribution and suitability of <i>S. mansoni</i> endemic areas at the national scale of Ethiopia. The study identified that, among five physical environmental factors examined, soil property, elevation, and climatic factors (e.g., precipitation and temperature) are key factors associated with the distribution of <i>S. mansoni</i> endemic areas. The model predicted that the suitable areas for schistosomiasis transmission are largely distributed in northern, central, and western parts of the country, suggesting a potentially wide distribution of <i>S. mansoni</i> endemic areas. The findings of this study are potentially instrumental to inform public health surveillance, intervention, and future research on schistosomiasis in Ethiopia. The modeling approaches employed in this study may be extended to other schistosomiasis endemic regions and to other vector-borne diseases.
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spelling doaj.art-fec95559587347b3972e468713db50b32023-11-22T19:15:02ZengMDPI AGMicroorganisms2076-26072021-10-01910214410.3390/microorganisms9102144Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in EthiopiaKeerati Ponpetch0Berhanu Erko1Teshome Bekana2Tadesse Kebede3Di Tian4Yang Yang5Song Liang6Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL 32611, USAAklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa 3614, EthiopiaAklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa 3614, EthiopiaAklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa 3614, EthiopiaDepartment of Crop, Soil, and Environmental Science, Auburn University, Auburn, AL 36849, USAEmerging Pathogens Institute, University of Florida, Gainesville, FL 32611, USADepartment of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL 32611, USAIn Ethiopia, human schistosomiasis is caused by two species of schistosome, <i>Schistosoma mansoni and S. haematobium,</i> with the former being dominant in the country, causing infections of more than 5 million people and more than 37 million at risk of infection. What is more, new transmission foci for <i>S. mansoni</i> have been reported over the past years in the country, raising concerns over the potential impacts of environmental changes (e.g., climate change) on the disease spread. Knowledge on the distribution of schistosomiasis endemic areas and associated drivers is much needed for surveillance and control programs in the country. Here we report a study that aims to examine environmental determinants underlying the distribution and suitability of <i>S. mansoni</i> endemic areas at the national scale of Ethiopia. The study identified that, among five physical environmental factors examined, soil property, elevation, and climatic factors (e.g., precipitation and temperature) are key factors associated with the distribution of <i>S. mansoni</i> endemic areas. The model predicted that the suitable areas for schistosomiasis transmission are largely distributed in northern, central, and western parts of the country, suggesting a potentially wide distribution of <i>S. mansoni</i> endemic areas. The findings of this study are potentially instrumental to inform public health surveillance, intervention, and future research on schistosomiasis in Ethiopia. The modeling approaches employed in this study may be extended to other schistosomiasis endemic regions and to other vector-borne diseases.https://www.mdpi.com/2076-2607/9/10/2144environmental driver<i>Schistosoma mansoni</i>Ethiopiaecological niche modeling
spellingShingle Keerati Ponpetch
Berhanu Erko
Teshome Bekana
Tadesse Kebede
Di Tian
Yang Yang
Song Liang
Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia
Microorganisms
environmental driver
<i>Schistosoma mansoni</i>
Ethiopia
ecological niche modeling
title Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia
title_full Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia
title_fullStr Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia
title_full_unstemmed Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia
title_short Environmental Drivers and Potential Distribution of <i>Schistosoma mansoni</i> Endemic Areas in Ethiopia
title_sort environmental drivers and potential distribution of i schistosoma mansoni i endemic areas in ethiopia
topic environmental driver
<i>Schistosoma mansoni</i>
Ethiopia
ecological niche modeling
url https://www.mdpi.com/2076-2607/9/10/2144
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