The Nuts and Bolts of New XMRV Testing

There are now two tests for XMRV known as the XAND PCR/culture and XNDS serology tests from VIP Dx ( in Reno, NV. You can do both tests together for about $550 or about $700 for both separately. CFS patients need to do both initially but exposure controls or family members might want to only do serology for $250. For CFS cases, there is a non-overlapping chance of being negative on PCR/culture at about 25% or greater and about a 50% chance of being negative on serology but perhaps close to a 80-90% chance in our clinic of being positive if you do both (one or the other positive).

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