Spatio-temporal distribution characteristics of cysticercosis from 2000 to 2014 in Dali, Yunnan province, China.

  • Huanzhang Li National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai; Dandong health service center, Liaoning Province, China.
  • Xinzhong Zang National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China.
  • Xiaokang Hu National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China. https://orcid.org/0000-0001-5127-8457
  • Eniola Michael Abe National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, Nigeria. https://orcid.org/0000-0002-0295-3601
  • Menbao Qian National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China.
  • Jingbo Xue National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China.
  • Yingdan Chen National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China.
  • Changhai Zhou National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China.
  • Yuhua Liu Dali Prefectural Institute of Research and Control on Schistosomiasis, Yunnan Province, China.
  • Shizhu Li | Lisz@chinacdc.cn National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Key Laboratory on Biology of Parasite and Vector, Ministry of Health, National Center for International Research on Tropical Diseases, WHO Collaborating Center for Tropical Diseases, Shanghai, China. https://orcid.org/0000-0003-3172-5218

Abstract

Cysticercosis remains a public health problem in China, with disease prevalence attributed to poor socio-economic and public health conditions. This parasitic food-borne disease was prioritized for effective control following implementation of the national surveys on parasitic diseases carried out in China. We predicted the cysticercosis distribution in Dali, Yunnan Province by assessing spatio-temporal distribution characteristics between 2000 and 2014 to better understand the trend of the disease incidence. A database of cysticercosis cases was provided by the clinical department at the Dali Prefectural Institute of Research and Control of Schistosomiasis. Describing the epidemiological features of cysticercosis and analyzing its spatiotemporal distribution of cases using mapping, scanning and spatial autocorrelation analysis, our findings found a total of 3,347 patients with cysticercosis infection, neurocysticercosis in particular. Cysticercosis prevalence was the highest among young and middle-aged male farmers, and also predominant among the Bai nationality. Three aggregation areas were identified during the period 2000-2014. Hotspot analysis implicated Dali City, Eryuan County and Yangbi County between 2000 and 2007, with areas gradually shifting towards the western and northern parts of the province. The hotspot map indicated that Eryuan County was a constant problem with respect to cysticercosis. The results indicated three cysticercosis clusters in Dali that could be attributed to environmental factors and unhealthy lifestyles. Multi-sectoral control initiatives are, therefore, recommended in these areas to effectively control and prevent cysticercosis among the population.

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Published
2020-12-29
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Original Articles
Keywords:
Cysticercosis, spatio-temporal, distribution, characteristics, Yunnan Province, China
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How to Cite
Li, H., Zang, X., Hu, X., Abe, E. M., Qian, M., Xue, J., Chen, Y., Zhou, C., Liu, Y., & Li, S. (2020). Spatio-temporal distribution characteristics of cysticercosis from 2000 to 2014 in Dali, Yunnan province, China. Geospatial Health, 15(2). https://doi.org/10.4081/gh.2020.815