Human Immunodeficiency Virus (HIV): Overview
Human Immunodeficiency Virus (HIV) is a virus that attacks and breaks down the body's immune system, which fights disease and infections. Blood T-lymphocyte cells are the primary target of HIV and are necessary for the virus to reproduce.
Acquired Immune Deficiency Syndrome (AIDS) is the name for an advanced phase of HIV.
Reliable Resources
This information has been approved by Ken Lichtenstein, MD (January 2008).