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本文报导了解阳湖区连续3年血吸虫病流行因素和流行规律研究的结果,认为目前这类地区血吸虫病的疫情甚为严重,其中以洲岛型和滩型沿湖居民的感染率最高,放养猪牛的感染率亦高。主要传染源为病牛和病猪以及渔船民患者;血吸虫病易感洲滩约占洲滩总数的3/4,在不利于钉螺繁殖的水位年份钉螺和阳性螺密度剧降;20岁以下的儿童和青少年为易感人群;易感季节因地而异;认真查治能有效地控制感染率。根据上述结果,讨论了当前湖区血防的重点、策略和目标。
This paper reports about the epidemic factors and epidemic rule of schistosomiasis in Yanghu District for three years in a row. The current epidemic situation of schistosomiasis is very serious in this area, of which the highest infection rate is in the islands and lakes, Infection rate of pigs is also high. The main source of infection was sick cattle and sick pigs as well as fishing boat patients; schistosomiasis susceptible beach accounts for about 3/4 of the total number of beach, in the year is not conducive to snail breeding water snail and positive snail sharp decline; 20 years of age Children and adolescents are susceptible; the season of susceptibility varies from place to place; careful investigation and treatment can effectively control the infection rate. Based on the above results, the focus, strategy and goal of the current blood-defense in the lake area are discussed.