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获得性免疫缺乏综合征(acquired immune defic-iency syndrome,简称AIDS)是一种新发现的传染病,其病原体尚未明瞭,主要通过密切的和性的接触、输血或血制品而传播。好发于成年男性。临床特征为:潜伏期长,有长达数月的发热、消瘦和全身淋巴结肿大的前驱症状,典型病例表现为肺囊原虫(pneumocysti carinii)性肺炎、Kaposi肉瘤和各种机会性感染,血液中淋巴细胞减少,辅助性T细胞(TH)与抑制性T细胞(Ts)的比例下降,免疫球蛋白升高。
Acquired immune deficiency syndrome (AIDS) is a newly discovered infectious disease whose pathogens are unknown and are transmitted mainly through close and sexual contact with blood transfusions or blood products. Occur in adult men. The clinical features are: long latency, fever, weight loss and generalized lymphadenopathy for up to several months. The typical symptoms are pneumocysti carinii pneumonia, Kaposi’s sarcoma and various opportunistic infections. In the blood Lymphopenia, the ratio of helper T cells (TH) to suppressor T cells (Ts) is decreased, and immunoglobulins are elevated.