May 14, 2012
if a person is infected with hiv and he is properly hepatitis b vaccinated,my question is whether rapid tests can show false negative results due to hep b vaccination?what is the percentage of people infected with hiv will devolop ani hiv antibodies within 6 months? 100% or less than that(if the person is immunologically fit and doesnt have any other disease?)
Response from Dr. Wohl
HBV vaccination will not alter the HIV test results. HIV testing is highly accurate and is more likely to provide false positive results than false negatives. By 6 months if some on has a negative HIV antibody test, they are HIV-negative.
Testing for p24 antigen or HIV RNA by PCR further confirms that these people are negative.
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