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Results of HIV-1 test
Oct 13, 2013

Diagnosed with HIV in 1991. Yearly CD4 and CD8 tests range between 850-1000. Never been on any drugs. Now, I have a question about viral load. Results from test: HIV-1 RNA, QN PCR <20 DETECTED (<20 copies/mL) A Not sure what the actual results mean, what the A stands for And how "undetectable" is measured

Response from Dr. Holodniy

I am not sure what "A" means either. The current generation of HIV viral load assays are quantitative down to 20 copies, but can still detect the presence of virus qualitatively (present or absent) below 20 copies. This has confused many patients and clinicians who think that HIV treatment is no longer working if the virus is detectable below 20 copies. In general, most studies have determined that detectable below 20 copies does not mean that HIV treatment is not working. Most people (myself included) still refer to this as undetectable.



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