根据一组来自南部非洲的研究人员的报道,所有的爱滋病带菌者即使他们呈现健康状态,但都有可能把病毒传播给他人。他们指出,大约有10～20％的AIDS(爱滋病)病毒的人对免疫系统或白细胞防御系统发生渐进性的损害。潜伏期几个月～4年,这些人逐渐出现症状,如特别疲倦,原因不明的体重下降,发热,淋巴腺肿大和腹泻,每次历时数周。当检查一些偶然性疾病如肿瘤、少见的肺部感染、肠道疾患、神经系统 According to a group of researchers from southern Africa, all HIV-positive people have the potential to spread the virus to others, even if they are healthy. They point out that about 10 to 20% of people with the AIDS virus progressively damage the immune system or the leukocyte defense system. Latent period of several months to 4 years, these people gradually developed symptoms, such as particularly tired, unexplained weight loss, fever, swollen glands and diarrhea, each time lasted weeks. When examining occasional diseases such as cancer, rare lung infections, intestinal disorders, nervous system