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流行性出血热(EHF)是一种严重威胁广大劳动人民健康的自然疫源性疾病。本病在我国分布广泛,病死率高。以往关于传播途径的认识,多来自单一途径的流行病学调查分析结果,尚少综合系统的流行因素调查分析。
Epidemic hemorrhagic fever (EHF) is a natural foci disease that poses a serious threat to the health of working people. The disease is widely distributed in our country, high mortality. In the past, the understanding of the route of transmission, mostly from a single channel of epidemiological survey results, there is little integrated system of epidemiological investigation.