1985年底,我所实验动物室兔群中突然爆发一种传染病,其主要特征:潜伏期短、发病急、高温达40℃以上、不食、行动滞呆等,并于短期内死亡,死亡率极高。经病原学检查,排除了细菌性致病因子的可能性,用三抗处理的病兔组织匀浆和过滤材料注射 At the end of 1985, an infectious disease suddenly broke out in laboratory animals and rabbits in our laboratory. Its main features are: short latent period, acute onset, high temperature reaching above 40 ℃, no food, dexamethasone, etc., and died within a short period of time. The mortality rate Very high. The etiological examination, ruled out the possibility of bacterial pathogenic factors, three anti-rabbit tissue homogenates and filter material injection