Sep 7, 2008
If u WENT FOR HIV TEST AND CAME AS NON REACTIVE. WHAT DOES IT MEAN?
Response from Dr. Horwath
The most common "HIV tests" are tests that detect the presence of antibodies against HIV in blood. When a person is exposed to HIV, their immune system starts to produce antibodies against the virus. If the test comes back as non-reactive, that means that the antibodies were not detected. Usually, these antibodies take 2-12 weeks to be produced at detectable levels. For this reason, a non-reactive test is most reliable if taken 12 weeks or more after an exposure to HIV. The screening test is called an ELISA test, which is highly sensitive to the presence of these antibodies.
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