流行性出血热(EHF)是由汉坦病毒感染引起的急性传染病,在适当的治疗下,多数患者在发病后3～4周逐渐恢复。但是,由于多种因素的影响,如携带流行性出血热病毒(EHFV)的宿主(野鼠或家鼠)、流行年度及地区、感染病毒的数量与毒力、就诊的早晚及治疗措施、患者的年龄以及机体的免疫反应强度等方面的不同,疾病的临床表现错综复杂。有的较轻,有的很重而出现两个或三个病期重叠,有广泛的多脏器严重损害,病情进展迅猛,成为重型或危重型患者,识别本病危重症候或 Epidemic haemorrhagic fever (EHF) is an acute infectious disease caused by Hantavirus infection, and most patients recover gradually 3 to 4 weeks after the onset of the disease with appropriate treatment. However, due to a variety of factors, such as host (hamster or house mouse) carrying epidemic of haemorrhagic fever virus (EHFV), prevalence year and area, the number and virulence of the virus being infected, the timing of the treatment and the treatment measures, Age and the body’s immune response intensity and other aspects of the clinical manifestations of the disease complicated. Some lighter, some heavy and appear overlapping two or three stages, a wide range of multiple organ damage, the rapid progress of the disease, a heavy or critically ill patients, the identification of the disease critically ill or