Campylobacter A genus of spirally shaped bacteria in which the cells have a single flagellum at one or each end. They are micro-aerophilic. There are several species. They are found in the alimentary and reproductive systems in humans and other animals, and may be pathogenic, causing abortion in cattle and sheep.

Campylobacter (kam-pi-loh-bak-ter) n. a genus of spiral motile Gram-negative bacteria that are a common cause of food poisoning, producing headache, nausea, diarrhoea, and vomiting. C. pylori see Helicobacter.

Campylobacter A genus of pathogenic organisms which are the most commonly reported cause of gastro‐enteritis in the UK, although it is not known what proportion of cases are foodborne. Campylobacteriosis has been associated with the consumption of undercooked meats, milk that has been inadequately pasteurized or contaminated by birds, and contaminated water.