If we are talking about true ME here, not CFS it is because it does not make sense. How do people including young children that have never had sex or a blood transfusion or shared needles get it?. You can't catch a retrovirus by coughing or sneezing on someone. Why do people go into remission without any drugs?. It doesn't make any sense, look at HIV you can't go into remission until you are taking retrovirals. Dr Hyde has said himself that the virus that causes ME has a 4-7 day incubation period. It just doesn't fit.
Hi Tulip, first we don't know if XMRV can be transmitted via saliva. If it can, its a whole new game. HIV can't, XMRV is not HIV. We can inherit the virus, we can get it from contaminated cuts or scrapes, and so on - don't forget, ME and CFS are spreading slowly, there are reasons why this is so.
If this is a retrovirus that is close to undetectable by the body, then the body will stop fighting once it can't see it any more. The virus is still there though, may even still be spreading in the tissues, but with such low blood load that the immune system can't see it. This explains remissions.
Third, the incubation period hypothesis has been shown to be invalid for XMRV repeatedly. This kind of virus could fit with a short incubation period or a long one, in different patients - its irrelevant. From my understanding XMRV initially will be a very mild infection, might not be worse than a minor cold. Then viral numbers grow. Then you get something else. The incubation period you mention is the something else, the trigger. It is not the cause. Hence XMRV still fits.
The immune system can effectively attack XMRV as well - it may be that most infections are symptom free, you never even know you are infected. In those patients in which
one XMRV virion survives to replicate, the game is over. It might take a year, it might take twenty, but eventually there will be enough virus to cause problems under the right circumstances. Those circumstances determine if you get sick or not. In the case of ME and CFS it would be the usual triggers - entero-viruses, herpes viruses, mold toxins etc.
Now XMRV might not be associated with ME or CFS, it might not cause any disease issues, we still don't have the answer to that, but the arguments you mention from Byron Hyde are easily refutable.
Bye
Alex