There is still the claim that "XMRV was found in Sjgren's patients" floating about in the internet, so I thought I find out. This is the response I got from Gabor Illei Of course you are free to conclude that he has a political agenda to hide "the truth" or that he is incapable to find out the truth, but you would thereby without evidence! questioning his scientific integrity. And some people rightfully take issue when scientists are smeared without a hint of evidence. In my view occam's razor says there is no XMRV in patients no matter whether cancer, ME/CFS, Sjgren's or any other disease. What I find especially unhelpful is that these cases of contamination are taken as proof that several diseases are somewhat "similar" or have something in common when the only "evidence" for this is contamination. No, diseases are not "all the same" and I regard that view as dangerous for all patients. And don't try to move the goalposts: If a study was good enough for you when they found XMRV, then it should be good enough if it turns out the other way.