xenotropic

adj

1. (not-comparable)Describing a virus growing in tissue of an organism other than its normal host.

   “An article published online Thursday in the journal Science reports that 68 of 101 patients with the syndrome, or 67 percent, were infected with an infectious virus, xenotropic murine leukemia virus-related virus, or XMRV. By contrast, only 3.7 percent of 218 healthy people were infected.”