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Most people develop detectable HIV antibodies within three months of infection, the average being 20 days. In rare cases, it can take 6-12 months. For this reason, the CDC recommends testing six months after the last possible exposure, i.e, unprotected vaginal, anal, or oral sex, or sharing needles. You can be tested at your doctorâs office, local health department, hospital, and sites specifically set up to provide HIV testing.
How long does it take to get results back from an HIV test? Results from antibody tests that are sent to a laboratory usually take one to three days to return. If the test is positive, results may be delayed while the laboratory does a Western blot to be sure that HIV antibody is present. Western blot tests take only one day to perform, but some laboratories may not run the test every day. Results from rapid tests done in the doctor's office or at other points of care are usually available in 15-20 minutes.