博尔纳病 (Borna Disease,BD)最初是作为一种马的神经性疾病被认识的。1894年～ 1896年 ,在德国萨克森地区的一个名为博尔纳的小镇上 ,发生了一场多数致死性马脑炎的大流行。因而该病及其致病因子即以有文献记载的首次暴发地点被命名。自 2 0世纪初确定了 BD的病原体以来 ,人们 Borna Disease (BD) was first recognized as a neurological disease of horses. From 1894 to 1896, a major epidemic of lethal equine encephalitis occurred in a small town in Boråna, Germany, in the Saxony region. Therefore, the disease and its causative agent are named after the first documented site of the outbreak. Since the pathogens of BD were identified in the early 2000s, people