Table 1.

Detection of Campylobacter concisus in samples obtained from healthy individuals

Samples	Cultivation of C. concisus	Detection of C. concisus DNA by PCR
Human saliva	75%	97%-100%
Human feces	0%-2.8%	33%
Human intestinal biopsies	0%	2%-38%

Data shown in this table were obtained from references 5-10 and 17-21. To date, no studies have detected Campylobacter concisus (C. concisus) in samples obtained from healthy animals. The collective data suggest that humans are the natural host of C. concisus and the oral cavity is the primary colonization site. PCR: Polymerase chain reaction.