SARS是一种新型冠状病毒引起的严重急性呼吸窘迫综合征 (ARDS)。作为新的传染病 ,SARS已使世界上 31个国家和地区的 84 0 0多人患病 ,80 0多人死亡[1] 。平均总死亡率8 2 % ,(中国 5 5 % ) [2 ] 。有研究表明 ,SARS致死的直接原因并非冠状病毒本身 ,而是SARS引起的并发症—— SARS is a novel coronavirus-induced severe acute respiratory distress syndrome (ARDS). As a new infectious disease, SARS has caused more than 8400 people in 31 countries and regions in the world to suffer from illness and over 80 0 deaths [1]. The average total mortality rate was 82% (China 5 5%) [2]. Studies have shown that the direct cause of SARS death is not the coronavirus itself, but the complications caused by SARS -