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岷县是甘肃省流行性出血热（EHF）的高发病县。1992年始发病流行至1995年疫情涉及全县22个乡镇的181个村，累计病例1160人，病死19人，年最高发病率199．44／10万，病死率1．64％。1995年发病率降至19．02／10万，发病乡镇减少到14个，表明疫情已得到基本控制。经调查证实有六种鼠类携带EHF病毒，总带毒率2．95％，其中黑线姬鼠为4．95％，且广泛分布于2000～3000米之间的各种生境，最高密度为8．15％，是室内外的优势种群，也是该地EHF的主要宿主动物。缓慢细蚤和厩真厉螨为主要可疑媒介。直接接触染疫动物及污染物是感染发病的主要原因。
Minxian County is a high incidence of epidemic hemorrhagic fever (EHF) in Gansu Province. The epidemic began in 1992 until 181 outbreaks occurred in 1995 in 22 townships of the county. The cumulative number of cases was 1160, with 19 deaths. The highest annual incidence was 199.44 / lakh and the case fatality rate was 1.64%. The incidence dropped to 19.02 / 100,000 in 1995 and the incidence of townships and townships was reduced to 14, indicating that the outbreak has been basically controlled. Investigation confirmed that there are six kinds of mice carrying EHF virus, with a total rate of 2.95%, of which Apodemus is 4.95%, and are widely distributed in various habitats between 2000 to 3000 meters, the highest density 8.15%, which is the dominant population both indoor and outdoor, and also the main host animal of EHF in this area. Slow flea and stable Remy mites as the main suspicious medium. Direct contact with infected animals and contaminants is the main cause of infection.