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巴彦淖尔盟于１９５４～１９８７年发现了总面积２２３０５平方公里鼠疫自然疫源地，它包括三块相对独立的疫源地，分布于１市３旗（县）１５个苏木（乡、镇）。近４０年间共有１７年（次）人和动物病发生，从１４种啮齿动物、７种蚤类及人类病例中分离到４１８株鼠疫菌。疫源地发现后，在全盟范围内迅速开展了人间鼠疫史及宿主动物、媒介蚤类区系的调查，并在河套平原成功地开展了消灭鼠疫疫源性试验。１９７０年后在狼山北部和明安川两块疫源地开展了大量的研究工作，如从静息到复发、疫源地空间结构、动物鼠疫病发生季节、宿主动物和媒介蚤的地位和作用、流行的强度、鼠疫的贮存方式和防治方法的效果检验。这些研究成果为预防和控制鼠疫提供了有价值的参考
Bayannur League in 1954 ~ 1987 discovered a total area of 22305 square kilometers plague natural foci, which includes three relatively independent foci, located in 1 city 3 flags (counties) 15 hematoxylin (township ). In the recent 40 years, a total of 17 human and animal diseases took place. 418 Y. pestis isolates were isolated from 14 rodents, 7 fleas and human cases. After the discovery of the foci, the epidemic of human plague and the investigation of the host flea and media flea swiftly were carried out in the alliance within the scope of the alliance and the plague fumigation was successfully carried out in the Hetao Plain. After 1970, a great deal of research work has been carried out in the two northern wollanes and Ming Anchuan foci, from rest to relapse, the spatial structure of foci, the season of animal plague, the status and role of host animals and vector fleas , Epidemic intensity, plague storage methods and the effectiveness of prevention and control tests. These findings provide a valuable reference for the prevention and control of plague