Gerwyn;57977]It is a different way of saying the same thing HIV causes aids XMRV causes ME . if anything the statement is stronger
Gerwyn, I'm in a pea souper
How is 'in subgroups of CFS' slighter stronger than saying XMRV is to CFS what HIV is to AIDS, unless you are saying that only a subgroup of people with AIDS have HIV?
From a gently bewildered inhabitant of Endland.