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目的了解血吸虫病疫情动态,为制定防治对策提供科学依据。方法采用IHA对6岁以上人群进行病情监测,其阳性再用Kato-Katz法进行病原学检查。耕牛采用塑料顶管法进行病原学检查。螺情调查:垸内可疑地带,采取全面搜索;垸外采用机械抽样结合环境抽样的方法进行。结果人群平均受检率为91.24%,IHA阳性率下降了63.14%;病原学阳性率下降了57.05%;农民和渔民的粪检阳性率分别下降了69.23%和66.67%;耕牛阳性率下降了71.35%,钉螺面积下降了46.61%。结论对农民、渔民应进一步加大防治力度,切实落实以机代牛的耕作方式。
Objective To understand the epidemic situation of schistosomiasis and provide a scientific basis for making prevention and control measures. Methods The IHA was used to monitor the condition of people over 6 years of age. The positive results were analyzed by Kato-Katz method. Cattle using plastic pipe method for etiological examination. Spiral investigation: suspicious areas within the embankment, to take a comprehensive search; embankment using mechanical sampling combined with environmental sampling methods. Results The positive rate of IHA was decreased by 63.14% and the positive rate of etiology was reduced by 57.05%. The positive rate of fecal examination by peasants and fishermen decreased by 69.23% and 66.67% respectively. The positive rate of cattle declined 71.35%, snail area decreased by 46.61%. Conclusion Farmers and fishermen should further intensify prevention and control and earnestly implement the farming method of using cattle as a machine.