Campylobacter lari: A species of thermophilic CAMPYLOBACTER found in healthy seagulls and causing ENTERITIS in humans.Campylobacter: A genus of bacteria found in the reproductive organs, intestinal tract, and oral cavity of animals and man. Some species are pathogenic.Campylobacter jejuni: A species of bacteria that resemble small tightly coiled spirals. Its organisms are known to cause abortion in sheep and fever and enteritis in man and may be associated with enteric diseases of calves, lambs, and other animals.Campylobacter Infections: Infections with bacteria of the genus CAMPYLOBACTER.Campylobacter coli: A species of gram-negative, rod-shaped bacteria isolated from the intestinal tract of swine, poultry, and man. It may be pathogenic.Campylobacter fetus: A species of bacteria present in man and many kinds of animals and birds, often causing infertility and/or abortion.Bacterial Typing Techniques: Procedures for identifying types and strains of bacteria. The most frequently employed typing systems are BACTERIOPHAGE TYPING and SEROTYPING as well as bacteriocin typing and biotyping.DNA, Bacterial: Deoxyribonucleic acid that makes up the genetic material of bacteria.