Detection test kit of Campylobacter coli by using qPCR. Campylobacter coli usually lives in the intestinal tract of animals. C. coli is very similar to its bacteria relative, Campylobacter jejuni; both cause inflammation of the intestine and cause diarrhea in infected animals and humans. C. coli is of the worldwide prevalence and is common in both developed and developing countries with most outbreaks related to food or water-borne causes.