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Probably no medical test is more important to understand than the HIV test. Here's where to learn about what an HIV diagnosis means -- and what to do about it.

Diagnosis

Find out how doctors diagnose HIV infection.

If you've just found out you're HIV-positive, you may feel overwhelmed, fearful, and alone. Know that you are far from alone. Countless people and resources are available to help you and the more than 1 million HIV-positive people living in the U.S. today.

Tests

What does it mean to get an HIV test? Here's the scoop.

After finding out whether you have HIV, you need to know your viral load. Learn about this test here.

HIV attacks immune cells called CD4 cells. This test keeps track of how many you've got left. Learn more about this essential test that, all by itself, can determine whether or not you have AIDS.

Doctors recommend all pregnant women get tested for HIV. Medications are available to prevent the spread of the virus to your unborn babyHIV attacks immune cells called CD4 cells. This test keeps track of how many you've got left. 

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