The vast majority of Campylobacters appear to bej pathogenic and are associated with a wide variety oil diseases in humans and other animals. These organising also demonstrate considerable ecologic diversity. Campy^ lobacter spp. are microaerobic inhabitants of the gastrointestinal tracts of various animals, including poultrtl dogs, cats, sheep, and cattle, as well as the reproductive organs of several animal species. When fecal samples from chicken carcasses chosen at random from butchef shops in the New York City area were tested foil Campybbacter, 83% of the samples yielded more than, 106 colony-forming units per gram of feces. In gener^ Campybbacter spp. produce three syndromes in humans| febrile systemic disease, periodontal disease, and, most? commonly, gastroenteritis. Arcobacter species appear to be associated with gastroenteritis as well; in one recent study. A, butzleri was the fourth most common Campylobader-Vkt organism isolated from stool and was associated with a persistent, watery diarrhea.23
Within the genus Campybbacter, C. jejuni and C. coHi are most often associated with infections in humans an<| are usually transmitted via contaminated food, milk, oil water. Outbreaks have been associated with conn minated drinking water and improperly pasteurized milk, among other sources. In contrast to other agents og foodbome gastroenteritis, including Salmonella and staphylococci, Campybbacter does not multiply in food. Other Campylobacters have been isolated from patient^ who drank untreated water, were compromised in some< way, or were returning from international travel. £<9 jejuni subsp. doyiei has been isolated from children with1 diarrhea and from gastric biopsies from adults In developed countries, the majority of C. jejuni infections in humans is acquired during the preparation and eating of chicken.1 Of note, person-to-person transmission of
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