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February 16, 2010
XMRV and Chronic Fatigue Syndrome: More Negative Data
Update: fixed formatting problems with the post. Not sure what happened!
The wrangling over this issue has been fierce, and now it's even more so. Here's another paper from the UK, just coming out today, that has found no association between patients diagnosed with Chronic Fatigue Syndrome and xenotropic murine leukaemia virus-related virus. The bottom line:
In summary, we have studied 299 DNA samples and 565 serum samples for evidence of XMRV infection. We have not identified XMRV DNA in any samples by PCR, however, some serum samples were able to neutralise XMRV reactivity in our assay. Only one of these positive sera came from a CFS patient, implying that there is no association between XMRV infection and CFS.
I have, as they say, no dog in this fight, so I'm going to sit back while things get sorted out. But something clearly needs to get sorted, because there are claims in this area that seem to be completely irreconcilable.
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