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目的探讨云县鼠疫流行特点,为鼠疫防治提供更多科学依据。方法整理归纳历史上和1996年,1999~2001年的鼠疫流行资料,对2005年的现场动物鼠疫的调查资料进行分析。结果该县在鼠疫静息106年后,于1996年重新发生鼠疫和1999~2001年连续3年发生鼠疫后,2005年3月再次发生鼠疫流行,分离到鼠疫菌3株,其中黄胸鼠2株,印鼠客蚤(地面游离蚤)1株。结论该地存在着鼠疫自然疫源地,黄胸鼠组成比和印鼠客蚤指数增高是本次鼠疫流行的直接原因。
Objective To explore the epidemic characteristics of the plague in Yunxian County and provide more scientific basis for the prevention and control of plague. Methods The epidemic data of plague in history, 1996 and 1999 ~ 2001 were summarized and the survey data of the live animal plague in 2005 were analyzed. Results After the plague was resumed 106 years later, the plague re-occurred in 1996 and the plague occurred in 1999-2001 for three consecutive years. The epidemic occurred again in March 2005 in which 3 strains of Y. pestis were isolated. Among them, Strain, India rat fleas (ground fleas) 1. Conclusion There is a natural foci of plague in the area, the ratio of Rattus flavipectus and Rattus norvegicus is the direct cause of the plague epidemic.