概述获得性免疫缺陷综合征(The Acquired Immune Deficiency Sydrome,简称AIDS)是近5年来主要出现在北美,西欧的一种原因不明的新病,其特征为细胞免疫发生严重缺陷,致使过去健康状况良好的人群出现条件致病菌感染和罕见的恶性肿瘤,本病1981年在美国疾病控制中心(简称CDC)首次报道,最初CDC对AIDS的定义是:“出现原因不明的细胞免疫功能缺陷或降低”。这主 The Acquired Immune Deficiency Sydrome (AIDS Acquired Immune Deficiency Sydrome, AIDS for short) is an unknown new cause of major illness in North America and Western Europe in the recent 5 years. It is characterized by serious defects in cellular immunity resulting in good health in the past Of the population appear opportunistic pathogenic bacteria infection and rare malignant tumors, the disease was first reported in 1981 by the Centers for Disease Control (CDC). The initial definition of AIDS by the CDC was: “the occurrence of unexplained cellular immune function defects or reduction” . This Lord