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目的了解恩施州农村蛔虫病的流行现状及土壤污染状况,为科学制定蛔虫病防治对策提供依据。方法在来自8县市的8个村157户农户的菜园、厕所周边、庭院、厨房4处采集土壤,采用饱和硝酸钠溶液漂浮法检查土壤中的蛔虫卵,人群蛔虫感染检查采用Kato-Katz法。结果 8个村共调查645人,蛔虫总感染率为25.58%。土壤样本共检查157户,蛔虫卵总检出率为55.41%,其中未受精蛔虫卵、受精蛔虫卵和活受精蛔虫卵检出率分别为15.29%、46.50%、29.94%。土壤中蛔虫卵检出率与人群蛔虫感染率显著相关(r=0.783,P<0.05)。结论恩施州土壤蛔虫卵污染严重,人群蛔虫感染率高,应加强蛔虫病的防治。
Objective To understand the epidemic situation of ascariasis in rural areas of Enshi and its status of soil pollution so as to provide scientific basis for the prevention and treatment of ascariasis. Methods Soil was collected from four farms, toilets, courtyards and kitchens of 157 farmer households in 8 villages in 8 counties and cities. Ascaris suum in soil was detected by saturated sodium nitrate solution floatation method. The infection of ascaris was detected by Kato-Katz method . Results A total of 645 people were surveyed in 8 villages. The total infection rate of roundworms was 25.58%. A total of 157 soil samples were examined. The total detection rate of ascaris eggs was 55.41%. The detection rates of unfertilized roundworm eggs, fertilized roundworm eggs and live-fertilized roundworm eggs were 15.29%, 46.50% and 29.94%, respectively. The detection rate of ascaris eggs in soil was significantly correlated with the infection rate of Ascaris in the population (r = 0.783, P <0.05). Conclusion Soil ascaris eggs in Enshi prefecture are seriously polluted and the rate of ascaris infection in the population is high. Prevention and treatment of ascariasis should be strengthened.