后天性免疫缺陷综合征(Acquired Immunedefi-ciency Syndrome(简称)AIDS)是一种新的恶性传染病。 1981年关国阿特兰大的疾病控制中心收治几例罕见的凯泼希氏肉瘤(Kaposis Sarcoma)和卡氏肺囊虫性肺炎,引起了重视,随后报告的病例逐渐增多。凯泼希氏肉瘤是一种极其罕见的癌症,从1981年突然增多,同时卡氏肺囊虫性肺炎和巨细胞性包涵体等病毒感染也突然增多。迄今已报告1000余例AIDS,主要发生在海地新移民、血友病患者、非法静脉用药吸毒者同或和两性恋者。经过医学家的分析,这些病症的出现与细胞免疫缺陷有关。人们还看到同性恋的人群内各种性病以及 Acquired Immune Deficiency Syndrome (AIDS) is a new malignant infectious disease. The rare case of Kaposis Sarcoma and Pneumocystis carinii pneumonia was noted in the 1981 Centers for Disease Control in Atlanta, Canada, and the number of reported cases subsequently increased. It is an extremely rare form of cancer that has suddenly increased since 1981, with a sudden increase in viral infections such as Pneumocystis carinii pneumonia and giant cell inclusion bodies. To date, more than 1,000 AIDS cases have been reported, mainly among new immigrants from Haiti, hemophiliacs, illegal drug users or homosexuals. After medical analysis, the emergence of these disorders and cellular immune deficiency related. People also see various sexually transmitted diseases in the gay population as well