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Test results at 9 weeks
Jan 31, 2011

I had the Proviral HIV DNA by PCR test done at 9 weeks after my potential exposure (64 days, to be exact). An Elisa antibodies test was done at the same time. Both came back negative.

How confident can I be in this result? In general, would further testing be recommended or simply redundant?

Just trying to understand better.


Response from Dr. McGowan


Since HIV DNA PCR is not part of the standard testing for diagnosis of acute HIV, having a negative would certainly rule out the likelihood of having acquired HIV from this exposure. Serology can be delayed in conversion for up to 3 months, but viral load usually is quite high if infection had occurred.

You could repeat HIV serology at 3 months just to complete the protocol but it would be mostly a formality.


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