What is the window period for hiv rapid antibodies test? I tested 3 times-45 days, 66 days, 112 days all test comes negative. Is it conclusive?

Dr. Sajeev KumarGeneral Physician33yrs exp

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The window period for a 4th generation antigen/antibody test is four weeks. Rapid antibody test ? gives a positive result based on antibodies to HIV, not the virus itself. It takes your body up to 3 months to produce these antibodies at levels that can be detected by this test. 4-6 weeks (up to 3 months) after infection, most people will have enough antibodies to test positive.  

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