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目的检测外来流动人口携带血吸虫病的情况,评价其对宁波市人群传播血吸虫病的潜在危害,从而预防和控制外源性血吸虫病在该市传播。方法对来自安徽、湖南、湖北、江苏、江西、四川、云南等7个省血吸虫病疫区的部分外来人员,进行血吸虫病间接血凝法(IFA)和金标免疫渗滤法(DIGFA)检测,阳性者用尼龙绢集卵孵化法(粪孵法)进行病原学检查,同时开展健康教育及患者现住地村庄周围查螺。结果2003-2005年共检测外来流动人口14529人,阳性178例,血清阳性率为1.23%,45例阳性者粪孵找到血吸虫病原体,粪孵阳性率25.28%;普查钉螺32个村,合计查螺面积31×104m2,没有查到钉螺。结论外来流动人口携带血吸虫病原体情况存在,必须加强外来流动人口血吸虫病管理与监测,以有效预防和控制外源性血吸虫病在宁波市传播。
Objective To detect the situation of schistosomiasis in migrant population and evaluate its potential impact on the transmission of schistosomiasis in Ningbo population so as to prevent and control the spread of exogenous schistosomiasis in the city. Methods Some migrants from schistosomiasis-endemic areas in seven provinces, including Anhui, Hunan, Hubei, Jiangsu, Jiangxi, Sichuan and Yunnan, were tested for indirect hemagglutination (IFA) and gold immunofiltration (DIGFA) Positive people with nylon silk hatching method (stool hatch method) for etiological examination, at the same time to carry out health education and patients living around the village check snail. Results A total of 14,529 migrant population were detected in 2003-2005, with 178 positive and seropositive rates of 1.23%. The positive rate of seroprevalence was 45% (45.2%). The positive rate of stool was 25.28% Area of 31 × 104m2, did not find snails. Conclusion It is necessary to strengthen the management and monitoring of schistosomiasis among floating population in migrant population in order to effectively prevent and control the spread of exogenous schistosomiasis in Ningbo.