早在两千年前,罗马帝国中心城市罗马的居民们经常会发烧,这种病症非常流行,以至于人们一度称之为“罗马热病”(Roman fever)。患者会出现一种典型的循环复发症状,先是突然感到冷,紧接着就是严重的发烧。除了体温升高促使身体大量出汗之外,高烧还会引起头痛、冷颤、关节疼痛、抽搐和呕吐。这些症状会慢慢消退,但是1~3天后又会重新发作。有些人发病循环的周期比较短,只有1天,但其他人则是每2~3天复发一次。并 As early as two millennia ago, residents of Rome, a center city of the Roman Empire, often had fever, a condition that became so prevalent that it was once called “Roman fever.” Patients will experience a typical recurrence of symptoms of recurrent, first suddenly felt cold, followed by a serious fever. In addition to body temperature sweating, sweating, high fever can cause headache, chills, joint pain, convulsions and vomiting. These symptoms will gradually subside, but 1 to 3 days will re-attack. Some people have a short cycle of onset of disease, only one day, but others relapse every two to three days. and