从1979年开始,医学界注意到一种异乎寻常的疾病,称为获得性免疫缺陷综合征(acquired immune deficiency syndrome,AIDS)。其特征是病人的细胞免疫功能后天性地受到严重损害,通常是不能恢复的,对多种条件致病微生物表现高度易感,常常伴发一种罕见的Kaposi肉瘤。本病主要侵犯青壮年,通过密切接触或输血在人群中传播,目前尚无特效疗 Since 1979, the medical community has noticed an unusual disease called acquired immune deficiency syndrome (AIDS). It is characterized by the fact that the patient’s cellular immune function is severely impaired, usually unrecoverable, highly susceptible to many conditions-causing microorganisms and often associated with a rare Kaposi’s sarcoma. The disease mainly affects young adults, through close contact or blood transfusion in the crowd, there is no effective treatment