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流行性出血热(EHF)为自然疫源性疾病,鼠类为其主要传染源。本管区内自1970年有EHF 的首例报告,至1984年底已发生40例,死亡3例。发病主要集中在向塘地区,占总发病数的60%以上,近4年发病率在20～40/10万左右,并有逐年增长的趋势。从1984年11月起对向塘地区的基本情况及鼠的密度、种类、鼠间带毒情况进行了调查,并对部分恢复期病人及其密切接触者进行了血清抗体检测。
Epidemic hemorrhagic fever (EHF) is a natural foci of disease, and mice are the major source of infection. Since the first report of EHF in 1970, there were 40 cases and 3 deaths by the end of 1984. The incidence mainly concentrated in the Xiangtang area, accounting for more than 60% of the total number of cases, the incidence rate in the recent 4 years was about 20-40 / 100,000, and the trend of year-on-year growth. Since November 1984, the basic conditions of the Xiangtang area and the density and species of the rats, as well as the poisoning of the rats were investigated. Serum antibody tests were also performed on some patients in recovery phase and their close contacts.