Long-term use of SDD is not associated with an increase in acquisition of resistant flora.

dWe found a low prevalence (0.6%) of carbapenemase-producing Enterobacteriaceae (CPE) in fecal microbiota of companion dogs. A single VIM-1-producing Klebsiella pneumoniae isolate belonging to sequence type (ST) 2090 was detected. bla VIM-1 was carried on a class 1 integron and an untypeable ϳ48-kb plasmid. Emergence and spread of CPE in this group of animals may be a threat to public health in human and veterinary medicine. This finding supports the need for active surveillance studies in companion animals that live close to humans, as interspecies transmission may occur within the same household.

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