小肠结肠炎耶尔森氏菌(简称耶氏菌)是人畜共患病病原之一,广泛存在于动物及外环境中,以肠道感染引起腹泻为主要表现。此菌近年来引起国内重视。为了解宁夏的发病情况、传染源、贮存宿主、传播途径及菌型分布,选择有代表性的银川、吴忠和灵武、平罗、固原分别代表银川、银南、银北和固原地区,于1985～1987年进行了调查,报告如下。 Yersinia enterocolitica (Yersinia pestis) is one of the zoonotic pathogens, widespread in animals and the environment, the main cause of diarrhea caused by intestinal infection. This bacterium has drawn domestic attention in recent years. Yinchuan, Wuzhong and Lingwu, Pingluo and Guyuan respectively represent Yinchuan, Yinnan, Yinbei and Guyuan areas in order to understand the incidence of Ningxia, sources of infection, host of storage, route of transmission and distribution of bacteria. From 1985 to 1987 conducted a survey, the report is as follows.