Studies has found a 24 fold (2400%) more enterococcus in CFS than in controls. There is evidence suggesting that this situation also occurs in chronic Lyme. This family is very difficult to treat and is prone to develop resistance to the few antibiotics that produce any resistance. There are a very small number of non-prescription items that also inhibits enterococcus. For a background on this species see this LiveStrong article.

Known inhibitors

Evidence suggesting that enterococcus is a player in chronic Lyme

The 1996 Lyme Conference report had a group of patients that did not respond to a host of other antibiotics, responded to vancomycin. Since the difference is effectiveness against enterococcus species, it suggests that this should be carefully studied.