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目的了解肠道线虫在成都市农村的感染现状、危害程度及流行特点,掌握该市农村肠道线虫病的流行动态和规律,从而有预见性和有针对性地为成都市开展肠道线虫病防治策略提供科学依据。方法按地形和方位,将全市划分为东、西、南、北、中5个片区,每片区建立1个调查点,对5个查点内的调查对象采用改良加藤厚涂片法(kato-katz法)查肠道寄生虫卵,用试管滤纸培养法对钩虫卵阳性者进行培养并鉴别钩蚴,透明胶纸肛拭法对2 7岁儿童查蛲虫。结果共对1 757人进行了病原学检查,查出感染者447人,总感染率为25.44%,其中,钩虫感染者175人,感染率9.96%;蛔虫感染者281人,感染率15.99%;鞭虫感染55人,感染率3.13%;查出蛲虫感染1人。结论成都市农村肠道线虫感染仍属于较重感染地区之一,防治任务仍然艰巨。
Objective To understand the current status, degree of harm and epidemic characteristics of intestinal nematode infection in rural areas of Chengdu and grasp the prevalence and regularity of intestinal nematode disease in rural areas of the city so as to predict and target the development of intestinal nematode disease in Chengdu Prevention and control strategies to provide a scientific basis. Methods According to the terrain and orientation, the city was divided into five areas of East, West, South, North and Central China. One investigation area was established in each area. The survey objects in the 5 checkpoints were analyzed by kato- katz method) to check the intestinal parasite eggs, tube filter paper culture method of hookworm eggs were cultured and identification of atrazine, transparent adhesive tape anal swab method for children aged 27 check pinworm. Results A total of 1 757 people were pathologically examined. The total infection rate was found to be 447, with a total infection rate of 25.44%. Among them, 175 were infected with hookworm and the infection rate was 9.96%. 281 were infected with roundworm and the infection rate was 15.99% Whipworm infection 55 people, the infection rate was 3.13%; detected pinworm infection 1. Conclusion The intestinal nematode infection in rural areas of Chengdu still belongs to one of the heavier infected areas, and the prevention and control task is still arduous.