Campylobacter fetus

**Semantic type:** Bacterium

**Definition:** A species of microaerophilic, Gram-negative, curved or spiral bacilli assigned to the phylum Proteobacteria. This species is motile using a single polar flagellum, oxidase positive, catalase positive, indole negative, reduces nitrates, and does not produce hydrogen sulfide. C. fetus is an opportunistic microbe that causes bacteremia, thrombophlebitis, septicemia, and is a suspected pathogen in immunocompromised patients with gastrointestinal symptoms. In sheep and cattle this bacterium is known to cause abortions, infertility, enteritis and bovine genital campylobacteriosis.

**Synonyms:** - CAMPYLOBACTER FETUS - Vibrio fetus - Vibrio fetus