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HIV 101
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HIV
Testing
9. How do I know if I am infected?

The HIV-antibody test is the only way to tell if you are infected.

You cannot tell by looking at someone if he or she carries HIV.

Someone can look and feel perfectly healthy and still be infected.

In fact, an estimated one-third of those who are HIV positive do not know it. Neither do their sex partners.

When HIV enters the bloodstream, it begins to attack certain white blood cells called T4 lymphocyte cells (T helper cells). The immune system then produces antibodies to fight off the infection.

Therefore, the presence of antibodies to HIV results from HIV infection.

Testing can tell you whether or not you have developed antibodies to HIV.

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