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爱滋病于1981年首次发现,但目前世界各地均有报告。爱滋病患者的人数虽不多(美国约15000人),但感染病毒者的人数却相当惊人。确切数字目前还不清楚,据保守估计美洲大约有100万;而非洲某些地区占人群的1/10。最早在同性恋者发现爱滋病,现已扩展到吸毒者、血友病患者、接受输血者,男女关系不正常以及感染母亲的婴儿。由嗜人类T-淋巴细胞Ⅲ型病毒(HTLV-Ⅲ)引起的感染,可出现一系列不同的症状,从一过性腺热
AIDS was first discovered in 1981, but reports have been made all over the world. Although the number of AIDS patients is small (about 15,000 in the United States), the number of people infected with the virus is quite alarming. The exact figure is unclear, as conservatively estimated at about 1 million in the Americas; in some parts of Africa it is one-tenth of the population. As early as homosexuals found AIDS, has now been extended to drug users, hemophiliacs, transfusion recipients, abnormal relations between men and women and infants infected with mothers. Infections caused by the human T-lymphotropic virus type III (HTLV-III) can present a range of different symptoms, ranging from transient gonadal fever