The timing of testing depends on the type of test:
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- Nucleic Acid Tests (NATs): Can detect HIV 10 to 33 days after exposure.
- Antigen/Antibody Tests: Can detect HIV 18 to 45 days after exposure (lab-based tests) or 18 to 90 days (rapid tests).
- Antibody Tests: Typically detect HIV 23 to 90 days after exposure. These tests may not detect the virus during the “window period” (the time between exposure and when the test can accurately detect the virus).
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