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应用反相间接血凝试验,我国17个生态型的544株鼠疫菌进行F_1抗原测定,结果有4株表现F_1抗原含量低。通过对其生物学特性研究,表明F_1抗原含量低菌株亦可引起(实验性)动物鼠疫.进行了流行病学分析。提出F_1含量低鼠疫菌型的检测方法
Indirect indirect hemagglutination test, 54 strains of Yersinia pestis of 17 ecotypes in China were used for F_1 antigen determination, and 4 of them showed low content of F_1 antigen. Through the study of its biological characteristics, it was shown that strains with low F 1 antigen could also cause (experimental) animal plague, and epidemiological analysis was carried out. Proposed F_1 low detection rate of plague-type test methods