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本文的侧重点是探讨肥达氏反应的几个可能的误差。一、诊断制品的质量问题由于诊断菌液的质量不好,所发生的多为系统误差,主要有以下二类。(一)由于菌株粗糙:用粗糙菌株生产的诊断菌液,常发生程度不同的自凝,“++”号以上的自凝,易被发现;轻微的自凝(包括“+”、“±”的),有时不易被发现,但当加入待检血清后,常使凝集滴度增加。自凝有以下特点。
The focus of this article is to investigate several possible errors of the Widal reaction. First, the quality of diagnostic products As the quality of the diagnosis of bacterial liquid is poor, the occurrence of mostly systematic errors, mainly in the following two categories. (A) due to rough strains: the diagnosis of bacterial strains produced by rough strains, often occur in different degrees of self-coagulation, “++ ” above the number of self-coagulation, easy to be found; slight self-coagulation “,” ± "), and sometimes not easy to find, but when added to the sera to be seized, often to increase the titer of agglutination. Since the condensate has the following characteristics.