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    Symptoms and antibodies, which came first?
    anxiousman posted:
    Hi, there.

    So I have a question as follows:

    If one has been infected and present some hiv-like symptoms, then the immune system can produce antibodies to fight with the virus, right? If this statement is right, can we say that as long as the symptoms presenting, antibody-based test can detect if one is hiv positive? Thanks in advance.
    georgiagail responded:
    Not necessarily. ARS tends to occur two to six weeks after transmission.

    A two week screening test can not be considered conclusive. MIGHT it show a positive result? Yes. MIGHT it show a false negative (meaning antibodies are being kicked out by the immune system but not in large enough quantities to be picked up by testing methods)? Yes.

    This is why we tell folks that by one month 95% of newly infected folks will have enough antibodies present to be picked up by screening tests (pretty darn good stats!) but by three months this has increased to 99.99 percent.



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