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[TEST] Qualitative PCR DNA test on whole blood Example: “Positive” with no numerical value given [Comments] This test may be useful for determining if you have HHV-6A or HHV-6B but can’t tell you if the virus is active.
No. This test is useless for differentiating active from latent infection. Almost all healthy individuals have low levels of latent HHV-6B in the blood. On a sensitive nested PCR tests, at least a third of the normal population should test positive for HHV-6 latent DNA.
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Can it differentiate active from latent infection?