I want to know how many days are the window period of hiv test with most latest diagnosis method.

Dr. Sajeev KumarGeneral Physician34yrs exp

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An hiv antibody response can be detected as early as two weeks in a few people and in more than 99.9% of people by 12 weeks. An antibody test at 4 weeks will detect 95% of infections. This is the period between the onset of infection with hiv and the appearance of detectable antibodies to the virus. In the case of the most sensitive anti-hiv tests currently recommended, the window period is about three weeks. This period may be longer if less sensitive tests are used.  

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