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近年来,在美国及其它一些国家和地区,一种称为获得性免疫缺乏综合征(AlDS,爱滋)的疾病正迅速地流行开来。从1981年6月,美国疾病控制中心(CDC)报告美国落山矶同性恋中15例不寻常肺炎(Pneum-ocystis Carinii 肺炎,PCP,卡氏肺囊虫肺炎),这是 AIDS 的首次报告。到1985年4月,美国已报告了10,000例,至同年底欧州也报告了599例,并且报告数量直线上升。AIDS 病人主要表现为对疾病的自然免疫力缺
In recent years, a disease called Acquired Immune Deficiency Syndrome (AlDS) is rapidly gaining popularity in the United States and other countries. From June 1981, the CDC reported 15 cases of unusual pneumonia (Pneum-ocystis Carinii pneumonia, PCP, Pneumocystis carinii pneumonia) in the United States, which is the first report of AIDS. By April 1985, the United States had reported 10,000 cases, and 599 cases were reported in Europe by the same year, with the number of reports soaring. AIDS patients mainly for the natural deficiency of the disease