The constituent of flea species and the dominant flea species in the natural epidemic focus of wild-type of plague in Jianchuan of Yunnan Province is prominently different from those in the epidemic focus of house-rat type of plague.

• 剑川野鼠型鼠疫自然疫源地的蚤类种类组成及优势蚤种与家鼠型鼠疫疫源地有明显差异。