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[目的]了解和掌握湟源县人体肠道线虫的流行分布状况及其影响因素,为开展人体肠道线虫病防治工作提供科学依据。[方法]按《全国人体重要寄生虫病现状调查实施细则》的要求,采用改良加藤氏厚涂片法镜检肠道线虫,12岁以下儿童同时采用透明胶带肛拭法镜检蛲虫感染情况。[结果]本次3个点实际粪检1520人,蛔虫感染者169人,感染率为11.12%,未发现鞭虫感染;12岁以下儿童肛拭镜检417人,未发现蛲虫感染者。草原村人群蛔虫感染率显著低于兔尔干村和池汉村(P﹤0.05);5～14岁组人群蛔虫感染率显著高于其他各组(P﹤0.05);蛔虫中度感染仅占1.78%,未见重度感染者。[结论]此次调查仅为单一蛔虫感染,其感染率显著低于10年前报道结果(49.87%),但仍处于较高水平。对此,应加大卫生工作投资力度,加强学校健康教育,提高群众防病意识,全力推行人体肠道寄生虫病防治措施,力争早日消除该病危害。
[Objective] To understand and grasp the epidemic distribution of human intestinal nematode and its influencing factors in Huangyuan County, and provide a scientific basis for the prevention and control of human intestinal nematode. [Method] According to the requirements of the “Implementing Rules of Investigation on the Status of Important Parasitic Diseases in Human Body”, intestinal nematodes were examined by modified Kato ’s thick smear method. The infection of pinworm was examined by transvaginal anal swab method under the age of 12 years old. [Results] There were 1520 actual fecal samples and 169 ascariasis infected persons at the three spots. The infection rate was 11.12%. No whipworm infection was found. 417 children under 12 years of age underwent anal microscopy and no pinworm infection was found. The infection rate of Ascaris in the grassland village was significantly lower than that in Rabiergan village and Chihan village (P <0.05). The infection rate of Ascaris in the population aged 5-14 years was significantly higher than that in other groups (P <0.05) 1.78%, no severe infection. [Conclusion] The survey was only a single roundworm infection, the infection rate was significantly lower than the results reported 10 years ago (49.87%), but still at a high level. In this regard, we should increase investment in health work, strengthen school health education, raise public awareness of disease prevention, and vigorously promote human intestinal parasitic disease prevention and control measures, and strive to eliminate the harm as soon as possible.