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三十余年来,我国血吸虫病的防治工作取得了伟大的成就。毛主席的光辉诗篇《送瘟神》一直在激励着血防工作者前进。继江西余江首克血吸虫病之后,许多地区完全或基本消灭、控制了血吸虫病,即使一些尚未消灭血吸虫病的地区,病人的人数也有所下降,血吸虫病的传播媒介——钉螺分布的范围,单位密度和绝对数量均已大大减少。但是,在当前血防工作实际中,有些同志认为晚期血吸虫病人的人数有增多的趋势。如何正确认识与对待这个问题呢?我们通过调查研究,结合目前血防工作中的具体问题,作了如下分析。一、预防与治疗直接影响病人的构成比。我们通过查阅血防历史资料,回顾了血吸虫病防治的各个不同阶段和时期,发现影响病人构成比的因素是多方面的,其中治疗工作与预防工作表现为相互影响,相互制约。比如在预防工作水准降低的时期,人群感染的机会增加,随之而来,急性患者的发病率也就上升了。例如,1968
In the past thirty years, the prevention and treatment of schistosomiasis in our country has made great achievements. Chairman Mao’s glorious poem, “Send the God of the plague,” has been encouraging the blood-resistance workers to move forward. Following the first gram-schistosomiasis in Yujiang, Jiangxi Province, many areas have been completely or basically eliminated to control schistosomiasis. Even in some areas where schistosomiasis has not yet been eradicated, the number of patients has dropped. The distribution of schistosomiasis, the snail distribution, Unit density and absolute number have been greatly reduced. However, some comrades think that the number of patients with advanced schistosomiasis tends to increase in the current practice of blood-cancer prevention. How to correctly understand and treat this problem? We through the investigation and study, combined with the current blood-defense work in the specific issues, made the following analysis. First, the prevention and treatment of patients directly affect the composition ratio. By referring to the historical data of blood-stasis, we reviewed the different stages and periods of schistosomiasis control and found that there are many factors that affect the composition ratio of the patients. Among them, the treatment and prevention work are interdependent and mutually restrictive. For example, when the level of prevention is reduced, the chance of people becoming infected increases. As a result, the incidence of acute patients also rises. For example, 1968