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Int. J. Environ. Res. Public Health 2018, 15(8), 1729; https://doi.org/10.3390/ijerph15081729

Geographical Environment Factors and Risk Mapping of Human Cystic Echinococcosis in Western China

1
Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
China Animal Health and Epidemiology Center, Qingdao 266032, China
4
Department of Epidemiology and Biostatistics, School of Health Sciences, Wuhan University, Wuhan 420000, China
*
Authors to whom correspondence should be addressed.
Received: 24 July 2018 / Revised: 3 August 2018 / Accepted: 3 August 2018 / Published: 12 August 2018
(This article belongs to the Special Issue Spatio-Temporal Analysis of Infectious Diseases)
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Abstract

The study aimed to reveal the risk factors and predict the prevalence of human cystic echinococcosis (CE) in Western China. To do this, we analyzed county-wide data relating to the prevalence of human CE in seven provinces of Western China, along with associated human, natural geographical environmental data. We then used spatial analysis and multiple regression analysis to investigate the correlation between the prevalence of human CE and associated environmental factors and to create a risk map of the disease in the seven provinces. Our analysis showed that grassland area ratio and Tibetan population ratio were independent variables positively correlated with the prevalence of human CE and that gross domestic product (GDP) and land surface temperature (LST; Spring) were negative independent variables. We also created a predictive risk map of human CE that revealed that the high-risk areas were mainly located in the south of Qinghai, the Northwest of Sichuan and most of the Tibet Autonomous Region. Knowledge of the spatial distribution and risk factors associated with human CE could help to prevent and control echinococcosis in China. View Full-Text
Keywords: human cystic echinococcosis; remote sensing; environment factors; risk mapping; Western China human cystic echinococcosis; remote sensing; environment factors; risk mapping; Western China
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Huang, D.; Li, R.; Qiu, J.; Sun, X.; Yuan, R.; Shi, Y.; Qu, Y.; Niu, Y. Geographical Environment Factors and Risk Mapping of Human Cystic Echinococcosis in Western China. Int. J. Environ. Res. Public Health 2018, 15, 1729.

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