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HIV-1/2 ANTIGEN AND ANTIBODY 4TH GENERATION WITH REFLEXES

This test detects antibodies the body produces in response to HIV infection. Most current screening tests are fourth-generation assays that detect both HIV antibodies and the p24 antigen, allowing earlier detection — often within 2-4 weeks of exposure.

This test is recommended at least once for all adults and adolescents, more frequently for those at higher risk, and during pregnancy. A positive screen is followed by confirmatory testing that distinguishes HIV-1 from HIV-2 and rules out false positives. With modern antiretroviral therapy, HIV is a manageable chronic condition, making early diagnosis essential. Sample type is serum or plasma.

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