１９４９年前后云南省剑川县发生过人间鼠疫流行，但直到１９７４年从猎狗血清中查到鼠疫Ｆ１抗体并在１９７５年自小林姬鼠体内首次分离到１株鼠疫菌，才证实剑川存在鼠疫自然疫源地。此后经过２０多年调查，确定了疫源地面积约１６００ｋｍ２，位于东径９９°４０′～９... The epidemic of human plague occurred in Jianchuan County of Yunnan Province before and after 1949, but it was not until in 1974 that the plague F1 antibody was detected from the serum of a hunting dog and that Y. pestis was first isolated from Apodemus agratius in 1975 before it was confirmed that there was a plague Natural foci. After 20 years of investigation, the area of ​​foci of about 1600km2 has been established, and the site of the east path is 99 ° 40 ’~ 9 ...