Table 1.

Infectious agents associated with rheumatoid arthritis.

Infection	Reference
Porphyromonas gingivalis	Farquharson et al. 2012 [40]
Segmented filamentous bacteria	Wu et al. 2010 [41]
Yersinia enterocolitica	Gaston and Lillicrap 2003 [42]
Salmonella typhi	McColl et al. 2000 [43]
Shigella flexneri	Hannu et al. 2005 [44]
Proteus mirabilis	Ebringer and Rashid 2006 [45]
Campylobacter jejuni	Pope et al. 2007 [46]
Klebsiella pneumoniae	Domínguez-López et al. 2000 [47]
Clostridium difficile	Cope et al. 1992 [48]
Staphylococcus aureus	Liu et al. 2001 [49]
Streptococcus pyogenes	Faé et al. 2006 [50]
Candida albicans	Hermann et al. 1991 [51]
Leptospira pomona	Sutliff et al. 1953 [52]
Chlamydia	Carter et al. 2010 [53]
Mycoplasma arthritidis	Cole and Ward 1979 [54]
Mycobacterium tuberculosis	Kim et al. 2006 [55]
Borrelia burgdorferi	Imai et al. 2013 [56]
Parvovirus	Kerr et al. 1995 [57]
Epstein-Barr virus	Pratesi et al. 2006 [58]