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AIDS prevention & treatment
The prevention and treatment of acquired immune deficiency syndrome or AIDS, which is a disease of the human immune system caused by the human immunodeficiency virus (HIV). The illness interferes with the immune system, making people with AIDS much more likely to get infections. HIV is transmitted through direct contact with HIV-infected body fluids, such as blood, semen, and genital secretions, or from an HIV-infected mother to her child during pregnancy, birth, or breastfeeding (through breast milk).
AIDS 的预防和治疗的贡献者
AIDS prevention & treatment
随机的试验
卫生保健; AIDS 的预防和治疗
一种类型的临床试验中,偶然的机会分配参与者 (随机) 治疗组与对照组,或各种治疗群体中。随机产生组类似的整体的一般特征,如年龄或性别和其他的疾病或正在研究的情况可能会影响的因素。有临床试验的开头都尽可能接近的组允许研究者们认为有一定程度的信心,一个治疗是否比另一种在审讯结束时更好。 ...