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我省过去肾综合征出血热（HFRS）疫区主要与陕西省宝鸡疫区接壤，自1990年以来疫区不断蔓延扩大，1985年全省有3例病人，到1993年共发病970例。为弄清新疫区分布特征和流行规律，以制定行之有效的预防对策，1993年9月在岷县、宕昌、卓尼3县进行了鼠密度及鼠间疫情监测。结果如
In the past, the epidemic area of hemorrhagic fever with renal syndrome (HFRS) in our province was mainly bordered by the endemic area of Baoji in Shaanxi Province. Since 1990, the epidemic area continued to spread and expand. In 1985, there were 3 patients in the province and 970 cases were caused by 1993. In order to clarify the distribution characteristics and epidemic patterns of new outbreaks in order to formulate effective preventive measures, in September 1993 in Minxian, Dangchang, Zhuoni three counties and mouse epidemic monitoring. Results as