XMRV:How do you establish a causalty link with CFS?

[Kati]

So as the replication studies are under way, i wonder what needs to be demonstrated to prove that XMRV is responsible to cause CFS ? Is this an important part of research ?

Anyone?

 

[Hope123]

If you go to the post I made called 'HERVs and XMRV' on this same subforum, the link Kurt posts on "Rumor Viruses" has a section on criteria for establishing causality for retroviruses in illnesses.

Also, for general purposes: Bradford-Hill criteria:

http://en.wikipedia.org/wiki/Epidemiology#Bradford-Hill_criteria