青海省是以喜马拉雅旱獭Marmotahimalnya。a（以下简称旱獭）为主要贮存宿主的鼠疫自然疫源地，包括30个县（市、镇）、118个乡，面积达10余万平方公里。1991～1995年，根据青海省鼠疫防治“／＼·五”规划的要求，共组织95个队（组），在六州、十五个县进行了鼠疫监测工作，剖 Qinghai Province is based on Marmotahimalnya, a Himalayan marmot. a (hereinafter referred to as Marmot) as the main storage host of plague natural foci, including 30 counties (cities, towns), 118 townships, an area of ​​more than 10 million square kilometers. From 1991 to 1995, a total of 95 teams (groups) were organized in accordance with the “/ · Five” plan for plague prevention and control in Qinghai Province. Plague surveillance was conducted in six states and 15 counties.