What is an HIV antibody test?

When HIV enters the body, it begins to attack certain white blood cells called T4 lymphocyte cells (helper cells). Your doctor may also call them CD4 cells. The immune system then produces antibodies to fight off the infection. ... Read more

 

What blood tests detect the presence of HIV?

HIV testing consists of an initial screening with two types of tests commonly used to detect HIV infection. The most commonly used initial test is an enzyme immune assay (EIA) or the enzyme-linked immunosorbent assay (ELISA). ... Read more

 

Do all HIV tests involve drawing blood?

No. Urine and oral-fluid HIV tests offer alternatives for anyone reluctant to have blood drawn. Urine testing for HIV antibodies is not as sensitive or specific as blood testing. Available urine tests include an EIA and a Western blot test that can confirm EIA results.... Read more

 

What are rapid HIV tests?

A rapid HIV test is a test that usually produces results in up to 20 minutes. In comparison, results from the commonly used HIV-antibody screening test, the EIA, are not available for 1-2 weeks.... Read more

Getting Tested
Am I at risk?


Evidence suggests that HIV, the virus that causes AIDS, has been in the United States at least since 1978. The following are known risk factors for HIV infection. If you answer yes to any of these questions, .... Read more

 

If I test HIV negative, does that mean that my partner is HIV negative also?

No. Your HIV test result reveals only your HIV status. Your negative test result does not tell you whether your partner has HIV. HIV is not necessarily transmitted every time there is an exposure. Therefore ... Read more

 
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