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Acquired Immunodeficiency Syndrome (AIDS) Audio (En español)

A disease of the immune system due to infection with HIV. HIV destroys the CD4 T lymphocytes (CD4 cells) of the immune system, leaving the body vulnerable to life-threatening infections and cancers. Acquired immunodeficiency syndrome (AIDS) is the most advanced stage of HIV infection.

See Related Term(s):  AIDS Case Definition, HIV Progression, Human Immunodeficiency Virus