Background: XMRV (xenotropic murine leukemia virus-related virus) is the first known example of an exogenous gammaretrovirus that can infect humans. A limited number of reports suggest that XMRV ...

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.

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