"Although several XMRV assays have been developed, "at present, there is no standardized, validated assay for the virus," said Simone Glynn, MD, director of the Blood Resources Program of the National Heart, Lung and Blood Institute (NHLBI) and cochair of an NHLBI scientific research working group formed to evaluate whether XMRV poses a threat to blood safety."
Good article explaining recurring investigations into XMRV's possible ramifications for human beings.
Controversy Continues on Whether XMRV Retrovirus Contributes to Chronic Fatigue Syndrome
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"It is (ME/CFS) like some great constricting snake that denies its victims the final convulsion." Llewellyn King "A CFS patient feels the same or worse than congestive heart failure. The same or worse than late stage AIDS." Nancy Klimas: View video here.
"A CFS patient feels every day significantly the same as an AIDS patient feels two months before death." Dr. Mark Loveless, AIDS and CFS researcher, in a statement to congress on CFS Awareness day, May 12th, 1995.