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How many weeks after possible exposure Elisa generation test is conclusive for negative result?
Brief Answer: Moreconfirmatory after 4weeks of highrisk activity Detailed Answer: Hi, Welcome to XXXXXXX Thanks for posting your query. Elisa 4th generation is a combo test picks up both antigen and antibodies against HIV and highly reliable. P24 Antigen appears as early as 1 week itself, it becomes more conclusive after 4 weeks of possible infection. Antibodies against HIV 1&2 will take 8-12 weeks to appear (window period). But this test, if done after 3 weeks of high risk activity, it either confirms or rules out the infection with certainty. Dr S.Murugan
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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