Acquired immunodeficiency syndrome (AIDS) is the most advanced stage of the human immunodeficiency virus (HIV). HIV is most commonly transmitted through unprotected sex, although it may spread through shared needle use. A simple blood test can reveal an HIV infection.
- More people who are HIV-positive are opting to disclose their condition.
- In 2004, five adult film actors were diagnosed with HIV.
- There is an estimated 1 to 1.2 million people who are HIV-positive in the U. S.