耶尔辛菌(Yersinia)是啮齿类动物的肠内细菌,过去认为对人类没有致病性,但近年发现该菌可作为人类的致病菌而引起各种症状。作者于1972年11月～1974年10月的2年间,对门诊1,156例患儿进行便培养,20例发现了耶尔辛菌,其中18例为小肠结肠型耶尔辛菌,2例为假结核型耶尔辛菌。阳性率为 Yersinia, a gut bacteria in rodents, was not thought to be pathogenic to humans in the past but has been found to cause various symptoms as a human pathogen in recent years. In the two years from November 1972 to October 1974, 1,156 children were enrolled in the out-patient clinic, 20 were found in Yersinia, of which 18 were Yersinia enterocolitica and 2 were false Yersinia tuberculosis type. The positive rate is