AIDS in the World

Acquired Immunodeficiency Syndrome (AIDS) is human viral disease that ravages the immune system, undermining the body's ability to defend itself from infection and disease. Caused by the human immunodeficiency virus (HIV), AIDS leaves an infected person vulnerable to opportunistic infections.
In fact, the teenagers are most typically affected by AIDS and also people who have sexual contact with someone who has HIV. As of the end of 2003, an estimated 40 million people worldwide - 37 million adults and 2.5 million children younger than 15 years - were living with HIV/AIDS.…