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TheBodyAdministrator
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Reged: 12/23/99
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What is a T-Cell or CD4 Count?
      07/07/10 04:10 PM

What Is a T-Cell or CD4 Count?

Your T-cell count, also known as a CD4 count, reveals the number of T cells in your body. A T cell is a special kind of white blood cell, and the more you have, the stronger your immune system is. When you were infected with HIV, the virus entered into some of your T cells. When these HIV-infected T cells make more copies of themselves, they end up making more copies of HIV as well. HIV can also destroy T cells, as well as other surrounding cells. After living with HIV for a while (if you don't take medications) the number of T cells you have will usually go down. This is a sign that your immune system is being weakened. The lower your T-cell count, the more you risk getting sick. A normal T-cell count for someone without HIV is usually between 500 and 1,600.

Read more from our Medications booklet:
http://www.thebody.com/content/treat/art12718.html

See how the immune system works:
http://www.thebody.com/content/art2499.html

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