苏尼特右旗自1955年首次发现长爪沙鼠鼠间鼠疫以来,共发生疫情405起,疫情比较严重,于1990年被确定为内蒙古高原长爪沙鼠鼠疫自然疫源地的全国重点鼠疫监测点,现将4年监测结果报道如下。1 基本概况 苏尼特右旗位于内蒙古北部,北与蒙古国接壤,南和西与乌兰察布盟相邻,地处东径110°10′～114°15′北纬41°55′～43°45′之间,总面积约26700km~2,海拔1000～1400m,属荒漠草原地带,年平均气温4.3℃,年降雨量170～190mm。 Since the first spotting of the plague in Meriones unguiculatus in 1955, Suniteyou Banner has reported 405 outbreaks and the epidemic was rather serious. In 1990, it was identified as the national key plague in the natural foci of the Plague-Merionesia plague on the Inner Mongolia Plateau Monitoring points, now 4 years monitoring results are reported below. 1 Basic Facts Sunit Right Banner is located in the northern part of Inner Mongolia. It borders Mongolia on the north and is adjacent to Wulanchabu League on the south and west. It is located between 41 ° 55 ’43’ 15 ’north latitude and 110 ° 10’ ~ 114 ° 15 ’ ° 45 ’, with a total area of ​​26700km ~ 2 and an altitude of 1000 ~ 1400m. It belongs to the desert grassland zone with annual average temperature of 4.3 ℃ and annual rainfall of 170 ~ 190mm.