Dr. Ben Lynch feels that “repairing the digestive system and optimizing the flora should be one of the first steps in correcting methylation deficiency”, and that especially includes treating candida because of the toxins it releases, inhibiting proper methylation. Generally speaking infections can lead to impairment of methylation path no mater if bacterial fungal viral...
In my case was multiple cause parasitic bacterial fungal and finally viral put the cherry on top...Maybe something is still in your system causing this EBV for example
Further steps and advice for many methylation issues are included on the website. A lot to read but very good info source.