About your idea that you thought your body's fighting the Hepatitis C had caused the immune system to go haywire maybe there could be something to that. Here is a couple of quotes of the most interesting parts of the content:
"''SELF-RECOVERY'' FROM HEPATITIS C INFECTION LINKED TO GENES THAT SUPPRESS ACTION OF KILLER IMMUNE CELLS"
and
"Our results were surprising in that self-recovery is not so much a functionof speeding up the body's immune system to attack the hepatitis C virus as it is about taking the foot off the brakes so the body's killer immune cells can take off."