Jin Xiao-Lin, Xu Xiang-Zhen, Chen Xiao-Jin, Cao Han-Jun, Shen Ming-Xue, Jiang Wen-Cai, Jiang Gang
Jiangsu Institute of Parasitic Diseases, Wuxi 214064, China.
Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi. 2011 Aug;23(4):390-4.
To evaluate the hygienic, environmental, social and economic benefits achieved by rural latrine renovation in key schistosomiasis control areas, Jiangsu Province.
Eights villages (evaluation villages) that finished and the three villages (control villages) that did not finish the latrine renovation work were sampled and investigated through field visits, questionnaire, referring to information and so on, to collect relevant data, and human waste samples were detected for laboratory indicators in hygiene and environment, in key schistosomiasis control areas in three counties (cities, districts), Jiangsu Province.
A total of 11 villages and 220 households were investigated. In the evaluation villages, the owning rate and quality conformity rate of three-format sanitary latrines were 98.6% and 98.8%, respectively. The human schistosome infection rate, intestinal parasite infection rate, the incidence of intestinal infectious diseases, and related medical costs decreased by 100%, 44.5%, 34.2% and 82.8%, respectively, compared with those before latrine renovation. In laboratory testing, the removal rates of fecal coliform values, CODcr, BOD5 and ammonia nitrogen in the third cell of household latrine were 99.99%, 68.50%, 63.17% and 52.30%, respectively, compared to those in the first cell. The village appearance had changed fundamentally, the villagers were satisfied with the latrine renovation, and their health knowledge and health behavior improved significantly.
Rural latrine renovation in key schistosomiasis control areas has got great achievements in hygienic, environmental, social and economic benefits. It plays an important role in the promotion of schistosomiasis control, economic development and social harmony.
评估江苏省血吸虫病重点防治地区农村改厕所取得的卫生、环境、社会和经济效益。
选取已完成改厕工作的8个村庄（评估村）和未完成改厕工作的3个村庄（对照村），通过实地走访、问卷调查、查阅资料等方式进行抽样调查，收集相关数据，并对江苏省3个县（市、区）血吸虫病重点防治地区的人粪样本进行卫生和环境实验室指标检测。
共调查11个村庄220户家庭。在评估村中，三格式卫生厕所拥有率和质量合格率分别为98.6%和98.8%。与改厕前相比，人群血吸虫感染率、肠道寄生虫感染率、肠道传染病发病率及相关医疗费用分别下降了100%、44.5%、34.2%和82.8%。实验室检测显示，户厕第三格粪便中粪大肠菌群值、化学需氧量、生化需氧量和氨氮的去除率与第一格相比分别为99.99%、68.50%、63.17%和52.30%。村庄面貌发生了根本性变化，村民对改厕工作满意，健康知识和健康行为有了显著改善。
血吸虫病重点防治地区农村改厕在卫生、环境、社会和经济效益方面取得了巨大成效。对推动血吸虫病防治、经济发展和社会和谐发挥了重要作用。
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