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目的了解血吸虫病疫区外出务工人员血吸虫感染特点,为制定和优化防制对策和措施提供科学依据。方法采用整群随机抽样法选择贵池区不同类型的6个血吸虫病重度流行村,于2000-2009年对外出务工人员等开展问卷调查和感染情况检查,分析这类人群的血吸虫病流行情况和防治时点。结果 2000-2009年,6个试点村外出务工人员占当地总人口数的22.43%~38.47%,务工地点在血吸虫病重度、轻度和非流行区的构成比分别为29.78%~36.72%、35.07%~43.85%和22.02%~29.40%;血吸虫感染率从5.29%降为2.63%,感染率水平和下降幅度与未外出居民基本一致。有83%以上的外出务工人员在春节期间返乡,但有36.10%~54.13%的人会在非春节期间返乡,其中有50%以上的人会因生产和生活接触疫水。结论应加强对血吸虫病流行区外出务工人群的管理和防治力度,春节期间是开展外出务工人员血吸虫病防治的最佳时点。
Objective To understand the characteristics of schistosomiasis among migrant workers in schistosomiasis endemic areas and provide a scientific basis for formulating and optimizing prevention strategies and measures. Methods A total of 6 randomized schistosomiasis endemic villages with different types of schistosomiasis in Guichi district were selected by cluster random sampling method. In 2000-2009, questionnaires and infections were carried out among migrant workers in other areas. The prevalence of schistosomiasis in these groups was analyzed. Prevention time. Results From 2000 to 2009, the migrant workers in 6 pilot villages accounted for 22.43% ~ 38.47% of the total local population. The proportions of the work sites in severe, mild and non-endemic areas of schistosomiasis were 29.78% ~ 36.72%, 35.07 % ~ 43.85% and 22.02% ~ 29.40%, respectively. The infection rate of schistosomiasis was reduced from 5.29% to 2.63%. The infection rate and the rate of decline were basically the same as those of non-residents. More than 83% of migrant workers returned home during the Spring Festival. However, 36.10% to 54.13% of them returned to China during the non-Spring Festival holiday. Over 50% of them migrated into the country due to their production and livelihood. Conclusion The management and prevention of migrant workers in endemic areas of schistosomiasis should be strengthened. During the Spring Festival, it is the best time to carry out the prevention and control of schistosomiasis among migrant workers.