Tag: Q&A HIV

  • Ask me about HIV/STD related questions

    Ask me about HIV/STD related questions

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    Medically reviewed by

    DrSafeHands

    The HIV 4th-gen test is considered highly accurate after 28 days of potential exposure. After 45 days, as per CDC guidelines, it can be taken as conclusive. To answer your specific query, the p24 antigen becomes detectable in the blood after 2 to 3 weeks, in case there is an infection. So, at 20 days,…