【摘要】 赤峰地区于1948～1996年发现了16632．2km2鼠疫自然疫源地，分布于11个旗（县、区）。目前达到控制鼠疫面积13917．8km2，占疫源地总面积的83．68％。选取与疫源地相关的12种量化因子进行聚类分析，结果可分为四类：1．疫源性长存区；2．动物鼠疫间断流行区；3．鼠疫动物病控制区；4．疫源性基本消除区。同时对防制措施进行了探讨。更多还原

【Abstract】 During the period of 1948～1996 natural plague foci were discovered with anarea of 16 632. 2 km2 among, 11 banners and counties in Chifeng City of Inner Mongolia.The plague foci have been controled over an area of 13 917. 8 km2, accounted for 83. 68%.With cluster analysis of 12 quantity factors selected. The result showed that the foci can bedivided into four kinds. 1. Long-term exist area; 2. Interval epidemic area; 3. Control area;4. Basical elimination area. The prevention methods are also discussed in this paper.更多还原