1982年11月至1983年4月我县首次发现EHF,并在病原学及血清流行病学上得到证实。疫源地属水网稻田型。传染鼠种为室内优势褐家鼠,带毒率为3.7%,阳性鼠肺在VeroE-6细胞上接种传代分离病毒成功。病人血清经IFAT检查均阳性,健康人血清中亦检出2例隐性感染者。冬春季流行,以青壮年农民发病为主。 EHF was first discovered in our county from November 1982 to April 1983 and was confirmed by etiological and serological epidemiology. Focal point is a net of paddy type. Rattus norvegicus, a dominant infectious rodent, was infected in laboratory with a 3.7% infection rate. The positive murine lung was successfully passaged and passaged on Vero E-6 cells. The patient’s serum was positive by IFAT examination, and 2 cases of latent infection were detected in serum of healthy people. Popular in winter and spring, with the main onset of young farmers.