Agree w/ PeteZa - it's hit or miss with the coinfections too. Although I think some members have had success - I certainly didn't.
It's probably more accurate to gauge symptoms - here is a good questionnaire that has guided quite a few of us:
Jernigan's symptom list:
www.healingwell.com/community/default.aspx?f=30&m=3673749&g=3673789#m3673789-p