The virus—known as xenotropic murine leukemia virus–related virus, or XMRV—had previously been implicated in an aggressive form of prostate cancer, but XMRV's role in both diseases has been ...

With so many unanswered questions, much work remains to be done. At this early point in XMRV research, areas should be identified in which this virus may cause a serious impact on human health.

d Total numbers of each RNASEL genotypes. a XMRV positive samples from real time PCR. b XMRV negative samples from real time PCR. c Statistical results from chi-square (x 2) tests.