关键词: 家鼠鼠疫, 流行特征, 流行强度, 云南省

Abstract: Objective To analyze the epidemiological character and intensity of commensal rodent plague in recent over twenty years in Yunnan.Methods Collecting data of commensal rodent plague and plague patients in recent over twenty years,and using SPSS 14.0,Map Info and relative software to analyze the data.Results From 1982 to 2004,totally,46 counties/cities occurred commensal rodent plague in Yunnan.According to the epidemiological intensity,the plague areas were classified three different type areas by Hierarchical Cluster Analysis.TypeⅠ areas include 5 counties/cities: Dehong prefecture's Longchuang county,Ruili city,Luxi city,Yingjiang county and Lincang prefecture's Fengxiang district.Epidemiological intensities were 20,12,11,16,10 respectively.503 patients were founded in 29 counties,distributed mainly in type Ⅱ areas and type Ⅲ areas,especially in type Ⅱ areas.Primary host is Rattus flavipectus,and primary vector is Xenopsylla cheopis.Conclusion At present,commensal rodent plague is still active in Yunnan;Distribution of plague focus is sporadic occurrence meanwhile epidemic outbreak in some part;Commensal rodent plague showed a serious situation: re-emerging from the east to the west,from the border to the core of Yunnan.Plague is still a critical public health problem in Yunnan province.