You might be asking: two things: how long after exposure is test positive or how long does it take to get the test result? The latest RNA/antigen tests look for the presence of the HIV virus. They may be positive within 1-3 weeks of infection, are more expensive, offered fewer places. Antibody tests are positive more like 3-8, up 12 weeks after infection. But results can be known within 30 minutes in many cases.
Answered 10/30/2015
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