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目的:了解重庆市万州区农村居民土源性线虫感染现状及流行特点,为制定防治策略提供科学依据。方法:按照全国统一方案,采用分层整群抽样法抽取我区4个乡镇共4个调查点,每点调查约500人。用改良加滕厚涂片法检查土源性线虫卵;透明胶纸肛拭法查12岁以下儿童蛲虫卵。结果:共调查2059人,土源性线虫感染327人,总感染率15.88%。其中蛔虫、鞭虫、钩虫和蛲虫感染率分别为10.92%、1.74%、6.4%、2.4%。女性总感染率(15.4%),男性总感染率(16.4),无显著性差异(P>0.01);总感染率>60岁组最高,蛔虫及钩虫感染率>60岁组最高,鞭虫感染率45~55岁组最高。结论:我区人体土源性线虫感染较普遍,感染率15.9%,低年龄组儿童和中老年文盲和半文盲是土源性线虫病防治的重点人群。
Objective: To understand the current situation and epidemic characteristics of soil-borne nematode infection among rural residents in Wanzhou District of Chongqing Municipality, and to provide a scientific basis for formulating prevention and control strategies. Methods: According to the national unified plan, we used the cluster sampling method to extract 4 investigation points from 4 towns and 4 towns in our district, each survey of about 500 people. Soil with improved Garten smear method check nematode eggs; transparent adhesive tape Anal swab inspection of children under the age of ejaculate eggs. Results: A total of 2059 people were surveyed, and 327 soil-borne nematodes were infected with a total infection rate of 15.88%. The infection rates of roundworm, whipworm, hookworm and pinworm were 10.92%, 1.74%, 6.4% and 2.4% respectively. The total infection rate was 15.4% in women and 16.4% in men. There was no significant difference (P> 0.01). The total infection rate was higher than 60 years old, and the infection rate of roundworm and hookworm was higher than 60 years old. The highest rate of 45 to 55 years old group. CONCLUSION: Human germ-line nematode infection is common in our district with an infection rate of 15.9%. Illiterate and semi-literate children in low-age groups and middle-aged and elderly people are the key population for prevention and treatment of soil-borne nematodes.