The virus is passed from one person to another through blood-to-blood and sexual contact. An infected pregnant woman can pass HIV to her baby during pregnancy, delivering the baby during childbirth, and through breast feeding. HIV can be transmitted in other ways such as vaginal, oral sex, anal sex, blood transfusion, and contaminated hypodermic needles. Both the virus and the disease are often referred to together as HIV/AIDS. People with HIV have what is called HIV infection and as a result, some will then develop AIDS. The development of numerous opportunistic infections in an AIDS patient can ultimately lead to death. AIDS and its cause, HIV, were first identified and recognized in the early 1980s.
The difference between HIV and AIDS is that HIV is the virus which attacks the T-cells in the immune system and AIDS is the syndrome which appears in advanced stages of HIV infection. HIV is a virus, AIDS is a