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How accurate is 3 week ELISA blood tests on hiv? Elisa test is the newest HIV detection test?

1 doctor weighed in
Dr. Martin Raff
Internal Medicine - Infectious Disease

In brief: Very accurate

The elisa assay is one of the longest standing tests for antibodies to hiv.
Positive results must be confirmed using western blot or other tests. If negative at 3 wks you should be retested at 3 and 6 months to be absolutely certain, but those latter tests are rarely positive if the 3 wk test was negative. Be safe. Have only protected sex until both partners assuredly negative, and monogamous.

In brief: Very accurate

The elisa assay is one of the longest standing tests for antibodies to hiv.
Positive results must be confirmed using western blot or other tests. If negative at 3 wks you should be retested at 3 and 6 months to be absolutely certain, but those latter tests are rarely positive if the 3 wk test was negative. Be safe. Have only protected sex until both partners assuredly negative, and monogamous.
Dr. Martin Raff
Dr. Martin Raff
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