Methods The epizoite insects from the small animals captured in the plague foci were collected, and then classify and identify them respectively.

• 方法结合对该地区鼠疫疫源地的调查和监测工作，对捕获的小型兽类进行体外寄生虫采集，对蚤、蜱、虱标本分类鉴定，将部分标本送实验室做鼠疫细菌学培养。