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What is p24 antigen disappears from the blood after how many weeks in HIV - and explain in detail?
Ans. is 'c' i.e., 6-8 week . Low level of circulating HIV-1 p24 antigen can be detected in the plasma by EIA soon after infection. . The antigen often becomes undetectable after antibodies develop (6-12 weeks following infection). . p-24 antigen reappear late in the course of infection indicating a poor prognosis.