严重急性呼吸综合征(severeacuterespiratorysyndrome ,SARS) ,亦称为传染性非典型肺炎,是一种由变异冠状病毒所致的急性呼吸道传染病[1,2 ] 。自2 0 0 2年11月SARS在我国广东省开始出现,迅速播散到2 0多个国家和地区。我们对38例SARS患者的临床表现、胸片、血象和细胞免疫功能 Severe acute respiratory syndrome (SARS), also known as SARS, is an acute respiratory infection caused by variant coronavirus [1,2]. Since November 2002, SARS began to appear in Guangdong Province of China and spread rapidly to more than 20 countries and regions. We performed clinical manifestations, chest radiography, blood imaging and cellular immune function in 38 patients with SARS