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目的探讨血吸虫病传播阻断地区传染源监测方法,为进一步完善疫情监测体系提供科学依据。方法选择高邮市为该类地区传染源观察点,采用主动监测和被动监测两种方式,连续观察1996~2007年人群病情变化,分析传染源的特征,评估两种监测方式的效果。结果共调查169455人,流行村人均查病0.9次,主动监测与被动监测人数比为8.9∶1,被动监测效果相对较好。主动监测未查出粪检阳性病人;被动监测发现粪检阳性病人39例,均为外地感染,以青壮年农民因生产性接触疫水者居多。结论在血吸虫病传播阻断地区,要以流动人口为主要查病对象,有效控制外来传染源。
Objective To investigate the method of monitoring the source of infectious diseases in the area of transmission of schistosomiasis and provide a scientific basis for further improvement of the surveillance system. Methods Gaoyou was selected as the observation point for infectious diseases in this area. Active monitoring and passive monitoring were used to observe the changes of the population from 1996 to 2007, analyze the characteristics of infectious sources and evaluate the effects of the two monitoring methods. Results A total of 169455 people were surveyed, and the prevalence of disease in the endemic villages was 0.9 times. The ratio of active surveillance to passive surveillance was 8.9: 1, and the passive surveillance was relatively good. Active surveillance did not detect the stool positive patients; passive monitoring found that 39 were positive stool tests, are outside the field of infection, young peasants due to productive contact with the majority of water. Conclusion In the area of blocking schistosomiasis transmission, the floating population should be taken as the main disease check-out object to effectively control the source of external infection.