Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China

Abstract Background Extensive parasitic diseases epidemiology in Zhejiang province has not been carried out since the second national survey in 2004. Therefore, dynamics in prevalence and infection pattern of the major intestinal parasites should be explored. Methods The distribution of three parasi...

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Autores principales:	Yan Feng, Kegen Yu, Hualiang Chen, Xuan Zhang, Qiaoyi Lu, Xiaoxiao Wang, Xueying Zhang, Linong Yao, Wei Ruan
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Parasitic intestinal diseases Soil-transmitted helminths Protozoa infections Clonorchis sinensis Prevalence Infectious and parasitic diseases RC109-216
Acceso en línea:	https://doaj.org/article/fe963adefbda4c86b06f0cb3dc5fdd37
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spelling	oai:doaj.org-article:fe963adefbda4c86b06f0cb3dc5fdd372021-11-28T12:41:42ZSoil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China10.1186/s12879-021-06879-x1471-2334https://doaj.org/article/fe963adefbda4c86b06f0cb3dc5fdd372021-11-01T00:00:00Zhttps://doi.org/10.1186/s12879-021-06879-xhttps://doaj.org/toc/1471-2334Abstract Background Extensive parasitic diseases epidemiology in Zhejiang province has not been carried out since the second national survey in 2004. Therefore, dynamics in prevalence and infection pattern of the major intestinal parasites should be explored. Methods The distribution of three parasites including soil-transmitted helminths (STH), intestinal protozoa and C. sinensis in Zhejiang from 2014 to 2015 were explored. Kato-Katz technique was used for STH and C. sinensis detection, whereas transparent adhesive paper anal swab was used for pinworm detection, and iodine smear was used for protozoa detection. A questionnaire survey on alimentary habits and sanitary behaviors was conducted in half of the studied counties. Results This study recruited 23,552 participants: 19,935 from rural and 3617 from urban area. Overall prevalence of intestinal helminth infections was 1.80%. In this study, seven helminth species were identified including A. duodenale, N. americanus, Trichuris trichiura, Ascaris lumbricoides, C. sinensis, Fasciolopsis buski and pinworm. The average prevalence of STH infection was 1.71%: 1.94% in rural and 0.44% in urban area. Hookworm was the most prevalent infection at 1.58%: 1.79% in rural and 0.44% in urban area. Prevalence varied considerably in the studied counties. Prevalence was highest in Yongkang county at 10.25%. Only 2.79% of children from rural area were infected with pinworm. A proportion of 0.40% of rural participants were infected with protozoa, whereas Endolimax nana was the most prevalent at 0.23%. C. sinensis showed infection only in one man. Awareness on C. sinensis was 24.47% in rural and 45.96% in urban area, respectively. Conclusions Prevalence of STH and protozoa infections declined considerably whereas C. sinensis infections remained few in Zhejiang province compared with the prevalence reported in previous large scale surveys (19.56% for national STH infection in 2004, 18.66% and 4.57% for provincial STH and protozoa infection, respectively in 1999). The findings of this study showed that hookworm, mainly N. americanus remained a parasitic threat to population health, mainly in the central and western Zhejiang. Therefore, more health education regarding fertilization and farming habits is necessary in rural areas. The awareness concerning hookworm infection should be reinforced.Yan FengKegen YuHualiang ChenXuan ZhangQiaoyi LuXiaoxiao WangXueying ZhangLinong YaoWei RuanBMCarticleParasitic intestinal diseasesSoil-transmitted helminthsProtozoa infectionsClonorchis sinensisPrevalenceInfectious and parasitic diseasesRC109-216ENBMC Infectious Diseases, Vol 21, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Parasitic intestinal diseases Soil-transmitted helminths Protozoa infections Clonorchis sinensis Prevalence Infectious and parasitic diseases RC109-216
spellingShingle	Parasitic intestinal diseases Soil-transmitted helminths Protozoa infections Clonorchis sinensis Prevalence Infectious and parasitic diseases RC109-216 Yan Feng Kegen Yu Hualiang Chen Xuan Zhang Qiaoyi Lu Xiaoxiao Wang Xueying Zhang Linong Yao Wei Ruan Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China
description	Abstract Background Extensive parasitic diseases epidemiology in Zhejiang province has not been carried out since the second national survey in 2004. Therefore, dynamics in prevalence and infection pattern of the major intestinal parasites should be explored. Methods The distribution of three parasites including soil-transmitted helminths (STH), intestinal protozoa and C. sinensis in Zhejiang from 2014 to 2015 were explored. Kato-Katz technique was used for STH and C. sinensis detection, whereas transparent adhesive paper anal swab was used for pinworm detection, and iodine smear was used for protozoa detection. A questionnaire survey on alimentary habits and sanitary behaviors was conducted in half of the studied counties. Results This study recruited 23,552 participants: 19,935 from rural and 3617 from urban area. Overall prevalence of intestinal helminth infections was 1.80%. In this study, seven helminth species were identified including A. duodenale, N. americanus, Trichuris trichiura, Ascaris lumbricoides, C. sinensis, Fasciolopsis buski and pinworm. The average prevalence of STH infection was 1.71%: 1.94% in rural and 0.44% in urban area. Hookworm was the most prevalent infection at 1.58%: 1.79% in rural and 0.44% in urban area. Prevalence varied considerably in the studied counties. Prevalence was highest in Yongkang county at 10.25%. Only 2.79% of children from rural area were infected with pinworm. A proportion of 0.40% of rural participants were infected with protozoa, whereas Endolimax nana was the most prevalent at 0.23%. C. sinensis showed infection only in one man. Awareness on C. sinensis was 24.47% in rural and 45.96% in urban area, respectively. Conclusions Prevalence of STH and protozoa infections declined considerably whereas C. sinensis infections remained few in Zhejiang province compared with the prevalence reported in previous large scale surveys (19.56% for national STH infection in 2004, 18.66% and 4.57% for provincial STH and protozoa infection, respectively in 1999). The findings of this study showed that hookworm, mainly N. americanus remained a parasitic threat to population health, mainly in the central and western Zhejiang. Therefore, more health education regarding fertilization and farming habits is necessary in rural areas. The awareness concerning hookworm infection should be reinforced.
format	article
author	Yan Feng Kegen Yu Hualiang Chen Xuan Zhang Qiaoyi Lu Xiaoxiao Wang Xueying Zhang Linong Yao Wei Ruan
author_facet	Yan Feng Kegen Yu Hualiang Chen Xuan Zhang Qiaoyi Lu Xiaoxiao Wang Xueying Zhang Linong Yao Wei Ruan
author_sort	Yan Feng
title	Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China
title_short	Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China
title_full	Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China
title_fullStr	Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China
title_full_unstemmed	Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China
title_sort	soil-transmitted helminths, intestinal protozoa and clonorchis sinensis infections in southeast china
publisher	BMC
publishDate	2021
url	https://doaj.org/article/fe963adefbda4c86b06f0cb3dc5fdd37
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Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China

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