Abstract
Background: Brachyspira species are fastidious anaerobic microorganisms, that infect the colon of various animals. The
genus contains both important pathogens of livestock as well as commensals. Two species are known to infect humans: B.
aalborgi and B. pilosicoli. There is some evidence suggesting that the veterinary pathogenic B. pilosicoli is a potential
zoonotic
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