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目的了解海盐县居民土源性线虫感染现况,为制定重点寄生虫病防制策略和评价防治效果提供依据。方法于2015—2016年根据海盐县的地理、经济等情况选取7个本地常住居民监测点和1个外来常住居民监测点,采集粪便标本检测钩虫、鞭虫、蛔虫和蛲虫的虫卵数;采用试管滤纸培养法进行钩蚴培养鉴别;采用透明胶纸肛拭法对3~6岁儿童进行蛲虫检测。结果共调查2 147人,检出肠道寄生虫感染5例,感染率为0.23%。钩虫感染4例,每克粪虫卵数(EPG)分别为60、72、108和216个,均属于轻度感染;均培养出钩蚴,鉴定为美洲钩虫;均为≥70岁女性,无临床症状,均从事田间劳动,使用未经无害化处理的人粪对蔬菜施肥,卫生习惯差。鞭虫感染1例,EPG为120个,属于轻度感染,为9岁男生,外来务工人员子女,无临床症状,卫生习惯差。未检出蛔虫、蛲虫感染。结论海盐县常住居民土源性线虫的感染率较低,但仍要重视儿童、田地劳作者、老年人等重点人群的寄生虫病防治健康教育。
Objective To understand the current situation of soil-borne nematodes infection in residents in Haiyan County, and to provide basis for formulating prevention and control strategies for key parasitic diseases and evaluating the prevention and control effects. Methods According to the geography and economy of Haiyan County from 2015 to 2016, 7 local resident monitoring points and 1 monitoring point for resident residents were selected. Stool samples were collected to detect the number of eggs of hookworm, whipworm, roundworm and pinworm. The use of tube filter paper culture method for the identification of attic culture; the use of transparent adhesive tape anal swab 3 to 6-year-old children for pinworm detection. Results A total of 2 147 people were investigated. Five cases of intestinal parasitic infection were detected, the infection rate was 0.23%. In 4 cases of hookworm infection, the number of eggs per gram (EPG) was 60, 72, 108 and 216 respectively, all of which belonged to Mild infection. Echinococcus granulosus was cultured and identified as American hookworm. All were ≥70 years old women, Clinical symptoms, are engaged in field work, the use of non-decontaminated manure to fertilize vegetables, poor health habits. Whipworm infection in 1 case, EPG of 120, are mild infections, 9-year-old boys, migrant workers and children, no clinical symptoms, poor health habits. Not detected roundworm, pinworm infection. Conclusion The infection rate of soil-borne nematodes in resident population of Haiyan is relatively low, but we should pay attention to the prevention and control of parasitic diseases in key populations such as children, field laborers and the elderly.