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Acquired immune deficiency syndrome or acquired immunodeficiency syndrome (AIDS) is a disease of the human immune system caused by the human immunodeficiency virus (HIV).

HIV/AIDS information from the Federal government about prevention, testing, treatment, research, and using new media in response to HIV/AIDS.

Non-profit organization for the free and open exchange of information in the fight against AIDS.

What are the symptoms of HIV? The symptoms of HIV can be hard to pinpoint. About.com: AIDS is a comprehensive site that discusses the symptoms of HIV as well as providing ...

n. A severe immunological disorder caused by the retrovirus HIV, resulting in a defect in cell-mediated immune response that is manifested by increased susceptibility to ...

What is AIDS? What causes AIDS? Does AIDS have any symptoms? Can AIDS be treated? Information about the global AIDS epidemic and response.

WHAT DOES "AIDS" MEAN? AIDS stands for Acquired Immune Deficiency Syndrome: Acquired means you can get infected with it; Immune Deficiency means a weakness in the body's system ...

AIDS Definition. Acquired immune deficiency syndrome (AIDS) is an infectious disease caused by the human immunodeficiency virus (HIV). It was first recognized in the United ...

AIDS stands for acquired immunodeficiency syndrome. It is the most advanced stages of infection with the human immunodeficiency virus (HIV). HIV is a virus that kills or ...

AIDS. Most serious of all the sexually transmitted diseases (STDs). It is caused by the retrovirus human immunodeficiency virus , and is transmitted in body fluids, such as ...