I have culled from Mitchell & Stratton patent #6,884,784 an exhaustive list of diseases where Cpn has been implicated as a possible cause or co-factor (reference: Mitchell & Stratton patent #6,884,784):
Diseases where an association has been discovered between chronic Chlamydia infection of body fluids and/or tissues with several disease syndromes of previously unknown etiology in humans which respond to unique antichlamydial regimens include:
Editorial comment: Strong findings from their research. If you have any of these it suggests to me that at least an empirical course of the combination antibiotic therapy is strongly indicated, with or without serology.
Multiple Sclerosis (MS)
Rheumatoid Arthritis (RA)
Inflammatory Bowel Disease (IBD)
Interstitial Cystitis (IC)
Autonomic nervous dysfunction (AND neural-mediated hypotension);
Pyoderma Gangrenosum (PG)
Chronic Fatigue (CF) and Chronic Fatigue Syndrome (CFS).