简要论述三江源地区自然感染鼠疫菌的宿主动物及媒介昆虫的生物学、生态学特性及首次分离鼠疫菌的时间、地点等情况,以了解该地区染疫动物、昆虫的种类及其在鼠疫流行病学方面的作用等,为三江源地区鼠疫防治提供理论依据。 The biological and ecological characteristics of host and vector insects infected by Yersinia pestis in Sanjiangyuan area were briefly discussed as well as the time and place of the first isolation of Y. pestis in order to find out the types of the infected animals and insects and their prevalence in the plague The role of science, etc., to provide a theoretical basis for the prevention and treatment of plague in the Three River Source.