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关于威染轻重可以显著影响疗效的问题,在细菌性威染方面已经累积了大量实验资料。在血吸虫病的临床治疗中,恒有一定数量的复发病例。在吐酒石的二十天疗法治疗例中,各地复发率可出入很大,除一些人为的因素以外,感染轻重的问题是否也有关系,甚至是决定性的关系。另一方面,实验治疗上也有必要确定一个适当的尾蚴接种量,因为接种太少影响疗效的评定,接种太多可能增加病兔死亡率。因此我们在1954年进行了本项工作。
With regard to the severity of the infection can significantly affect the efficacy of the problem, in the bacterial infection has accumulated a large number of experimental data. In the clinical treatment of schistosomiasis, there is always a certain number of recurrences. In the twenty-day treatment of spit tartar cases, the recurrence rate may vary greatly around, in addition to some artificial factors, the severity of the problem is whether there is a relationship, or even a decisive relationship. On the other hand, experimental treatment is also necessary to determine an appropriate amount of inoculation of cercariae, because inoculation too little affect the assessment of curative effect, vaccination too much may increase the mortality of sick rabbits. So we did this work in 1954.