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调查区位于E85°～86°,N43°12′～44°,属北天山伊连哈比尔尕山北坡。1988年8月从调查区自毙灰旱獭(Marmota baibacina)脏器分离到1株鼠疫杆菌,从长尾黄鼠(Citellus undulatus)的体外寄生蚤—方形黄鼠蚤七河亚种(Citellophilus tesquorum deztysuensis)分离到2株鼠疫杆菌。首次确定沙湾县天山山地存在以灰旱獭和长尾黄鼠为宿主的双宿主鼠疫自然疫源地。主要传播媒介为Oropsylla silantiewi和方形黄鼠蚤七河亚种。现查出疫源地面积约600平方公里。
The survey area is located at E85 ° ~ 86 ° and N43 ° 12 ’~ 44 °, belonging to the northern slope of Gaibei Mountain in the northern Tianshan Mountains. In August 1988, one plague bacillus was isolated from the organ of Marmota baibacina in the survey area. The in vitro parasitic fleas of Citellus undulatus, Citellophilus tesquorum deztysuensis ) 2 strains of Yersinia pestis were isolated. It is the first time to determine the natural foci of dual-host plague in the Tianshan Mountains of Shawan County. The main vectors for the Oropsylla silantiewi and the square-shaped shrimp fleas Seven River subspecies. Now found foci area of about 600 square kilometers.