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目的分析清流县人体肠道寄生虫感染的现状及变化,为防治措施制定与效果评价提供依据。方法用分层整群随机抽样法,以≥3周岁常住人口为调查对象;用改良加藤厚涂片法粪检肠道蠕虫卵,对3~12周岁儿童用透明胶纸肛拭法检蛲虫卵。结果全县共调查949人,土源线虫感染率7.1%,平均感染度(EPG)29.58,其中重度6.0%,轻度94.0%;钩虫感染占98.5%、肠螨占1.5%,蛔虫、鞭虫未检出;儿童蛲虫感染率1.0%。感染率最高为里田乡14.1%。男性感染率6.9%,女性感染率7.2%;感染率随年龄增长呈升高趋势(60~69岁组18.5%最高);随文化程度增高而下降,小学及文盲11.2%,初中4.8%,高中以上1.1%;农民检出率最高9.8%。结论清流县人体肠道寄生虫感染率已明显下降,但局部地区仍处于较高水平。
Objective To analyze the current status and changes of intestinal parasites infection in Qingliu county and provide basis for prevention and control measures formulation and effect evaluation. Methods The stratified cluster random sampling method was used to investigate the population of ≥3 years old resident population. The intestinal worm eggs were excreted by modified Kato thick smear method, and the oviposit . Results A total of 949 people were surveyed in this county. The infection rate of soil-borne nematodes was 7.1% and the average infection degree (EPG) was 29.58, with a severe degree of 6.0% and a mild 94.0%. Hookworm infection accounted for 98.5% and intestinal mites accounted for 1.5% Not detected; children pinworm infection rate of 1.0%. The highest infection rate was in Li Tienhsiang 14.1%. The infection rate of males was 6.9% and that of females was 7.2%. The infection rate increased with age (18.5% in 60-69 years old group), decreased with the increase of education level, 11.2% in primary school and illiterate, 4.8% in junior middle school, 1.1% above; the highest detection rate of peasants 9.8%. Conclusion The infection rate of intestinal parasites in Qingliu County has decreased significantly, but the prevalence in some areas is still at a high level.