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森林脑炎(简称森脑)是危害林区人民生命健康的虫媒性传染病。在我国,主要流行于小兴安岭、完达山和长白山林区。为探讨大兴安岭林区是否存在森脑自然疫源地,我们于1992年～1994年对该林区自然界蜱类和临床可疑的病例进行了病毒学检查,分别在森林硬蜱和死亡病例的脑组织中分离到森脑病毒。1 材料和方法1·1 标本来源 (1)蜱类采集:用布旗法从林间植被上收集自然界游离的饥饿成蜱。
Forest encephalitis (SEN) is an insect-borne infectious disease that endangers people’s lives and health in the forest areas. In our country, it is mainly popular in Xiaoxing’an Mountain, Wanda Mountain and Changbai Mountain. In order to explore the existence of forest natural foci in the Greater Xing’an Mountains, we conducted a virological examination of ticks and clinical suspicious cases in natural forests in this area from 1992 to 1994, Sentinel virus was isolated. 1 Materials and methods 1.1 source of specimens (1) ticks collection: cloth flag method from the forest vegetation collected in nature free starved tick.