AIDS (acquired immunodeficiency syndrome - AIDS) is a disease of the human immune system. It is caused by infection with HIV (human immunodeficiency virus, HIV) that patients with impaired immune function. Infected with HIV through contact with the mucous membranes or from contact with infected fluids like blood, semen, vaginal lubrication. Cum before ejaculation, semen and breast milk may be contacted through sexual intercourse. The current treatment of patients with AIDS and HIV can slow the progression of HIV disease. But there is no way to be cured. No vaccine Antiviral drugs can reduce mortality and disability as well.