|Short question on viral loa
Sep 29, 2003
Do all (except very rare cases) people exposed to HIV (that do not get PEP) have detectable virus level by a PCR test after 28 days?
Thank you time
Response from Dr. Wohl
It is actually the reverse - most people who get exposed to HIV either sexually or via needles do not get infected (and therefore do not have detectable virus in their blood). Figuring out the odds of infection is tricky business and many factors play into the risk of infection including the viral load of the infecting persons, the kind of exposure (tranfusion of a pint of infected blood product, anal sex, a needlestick etc), whether post exposure prophylaxis (PEP) was taken and when, and so on.
IF infection does occur, the viral load should be detectable within several days (less than a week) of the exposure. DW
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