人体内有一个抵抗病菌侵袭的免疫系统。艾滋病病毒会破坏这个免疫系统,使人体丧失对病菌的防御能力,而易被各种病菌感染。感染艾滋病病毒后,不会立即发病,要经过5～10年的潜伏期才会发病。发病前称为艾滋病病毒感染者,发病后称为艾滋病病人。艾滋病病毒感染者从外表上看起来与? There is an immune system in the human body that resists the invasion of germs. AIDS virus will destroy this immune system, make the human body lose its defense ability against the bacteria, and is easily infected by various bacteria. After the HIV infection, it will not be immediately affected. It will only take 5 to 10 years of incubation before the onset of the disease. Before the onset of the disease, it was called HIV infection. After the onset, it was called AIDS. What does an HIV-infected person look like from the outside?