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目的连续开展农村人群土源性线虫感染状况监测,为制定寄生虫病防治策略提供科学依据。方法 2006—2013年,每年10月下旬采集监测点3周岁以上的常住居民粪便标本(不少于)1 000份,采用改良加藤厚涂片法检测钩虫、蛔虫、鞭虫及蛲虫卵;3~12周岁儿童加做透明胶纸肛拭法蛲虫卵;分别计算感染率和感染度。采集菜园、厕所周边、庭院和厨房等4类地点土样,进行土壤中人蛔虫卵污染情况监测。结果 2006—2013年蛔虫卵感染率分别为0.4%、0.28%、0、0.09%、0、0、0、0.10%,感染度均为轻度;其他虫种未检出。3~12岁儿童蛲虫检测1 049人,阳性24人,感染率为2.23%;女性蛲虫感染率高于男性,差异有统计学意义。土壤样本中未检出虫卵。结论 2006-2013年连续8年在不同监测点进行土源性线虫监测,仅发现蛔虫卵感染,主要集中在30岁~、40岁~和50岁年龄组。沧县土源性线虫感染率处于低水平状态。
Objective To continuously monitor the status of soil-borne nematodes infection in rural population and provide a scientific basis for the development of prevention and treatment strategies for parasitic diseases. Methods From 2006 to 2013, 1,000 live stool samples (not less than 1,000) of resident population over the age of 3 were collected in late October each year. The hookworm, roundworm, whipworm and pinworm eggs were detected by the modified Kato thick smear method. 3 ~ 12-year-old children plus transparent adhesive tape anal swab oviposition; were calculated infection rate and degree of infection. Collection of soil samples from four types of sites, including kitchen gardens, toilets, courtyards and kitchens, for the monitoring of human Ascaris egg contamination in the soil. Results The infection rates of ascaris eggs between 2006 and 2013 were 0.4%, 0.28%, 0,0.09%, 0,0,0,0.10%, respectively. The infection rates were mild. Other insects were not detected. The prevalence of pinworm in children aged 3 ~ 12 years old was 1049, with 24 positives and the infection rate was 2.23%. The infection rate of female pinworm was higher than that of male, the difference was statistically significant. No eggs were detected in soil samples. Conclusion The monitoring of soil-borne nematodes at different monitoring sites for consecutive 8 years from 2006 to 2013 revealed only ascaris egg infestation, mainly in the age group of 30 years old, 40 years old and 50 years old. Cangxian soil-borne nematode infection rate at a low level.