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目的 探讨洪灾与血吸虫病流行关系。方法 通过 1999年 5～ 11月试区人群暴露方式、人数、次数和时间及人群洪灾前后血吸虫病感染率和感染度的调查进行综合分析。结果 试区人群暴露方式共 3类 11种 ,总暴露率 5 3.5 5 %。汛期暴露人数、次数及暴露时间显著增多。洪灾后人群血吸虫感染率和感染度显著增高 ;暴露组与非暴露组血吸虫感染率和感染度差异有显著性。结论 洪灾增加人群暴露和感染 ,必须针对不同人群和不同暴露方式 ,加强健康教育和控制发病。
Objective To investigate the relationship between flood and the prevalence of schistosomiasis. Methods From May to November in 1999, the population exposure patterns, number, frequency and time of the population in the study area and the prevalence and prevalence of schistosomiasis before and after the flooding were analyzed. Results There were 11 types of exposure in 3 groups in the trial area, with a total exposure rate of 53.5%. Flood exposure number, frequency and exposure time increased significantly. After the flood, the infection rate and the infection rate of schistosomiasis were significantly higher in the exposed group than in the non-exposed group. Conclusion Floods increase population exposure and infection, we must focus on different groups and different ways of exposure, to strengthen health education and control of the disease.