关键词: 人间鼠疫, 流行病学

Abstract:

Objective To provide the scientific evidences for controlling plague by analyzing epidemic situation of human plague for 29 years in Yunnan province. Methods SPSS 19.0 software was used to statistically analyze the data of human plague surveillance in Yunnan province in 1986-2014. Results There were 512 diagnosed cases of plague patients and 4 of them died in 29 counties located in ten city of Yunnan province from 1986 to 2014. There were 507 confirmed plague cases and 2 of them died in the plague natural focus maintained by Rattus tanezumi, and vector Xenopsylla cheopis, which was the bubonic plague; Five cases were confirmed and 2 of them died in the plague natural focus maintained by Apodemus chevrieri and Eothenomysmiletus miletus, which was primary pneumonic plague. The route was the close contact transmission, and the fatality rate was high. Conclusion Intensity of human plague epidemic process has been gradually resurging since 1986. Although it has been 9 years that human plague epidemic had not happened and been under control until 2014, the situation of plague control and prevention is still under concern.

Key words: Human plague, Epidemiology