Any of us who have been labeled fibromyalgia have you been tested and was it negative or positive? Try to see what symptoms we have in common if you tested positive for xmrv. I tested positive main four symptoms would be pain, sleep, fatigue and cognitive issues. The pain is usually 24 hours after doing some physical or mentally that we knew we should not do. Then I have flu like symptoms for one or two days. That put me to bed.