CitrobacterCitrobacter freundii Citrobacter (diversus) koseri Citrobacter amanolaticus Edwardsiella Edwardsiella tarda Enterobacter Enterobacter aerogenes Enterobacter cloacae Enterobacter agglomerans group (Pantoea agglomerans) Enterobacter gergoviae Enterobacter sakazaki Enterobacter amnigenus Enterobacter (cancerogenous) taylorae Escherichia Escherichia coli Hafnia Hafnia alvei Klebsiella Klebsiella pneumoniae Klebsiella oxytoca Klebsiella ozaenae Morganella Morganella morganii subsp. morganii Proteus Proteus mirabilis Proteus vulgaris Proteus penneri Providencia Providencia rettgeri Providencia stuartii Salmonella Salmonella, all serotypes Serratia Serratia marcescens Serratia liquefaciens group Shigella Shigella dysenteriae (group A) Shigella flexneri (group B) Shigella boydii (group C) Shigella sonnei (group D) Yersinia Yersinia pestis Yersinia enterocolitica supsp. Enterocolitica Yersinia frederiksenii Yersinia intermedia Yersinia pseudotuberculosis Budvicia Budvicia aquatica Buttiauxella Buttiauxella agrestis Buttiauxella noackia Cedecea Cedecea davisae Cedecea lapagei Cedecea neteri Citrobacter Citrobacter braaki Citrobacter farmeri Citrobacter gilleni Citrobacter murliniaei Citrobacter sedlakii Citrobacter werkmanii Citrobacter youngae Edwardsiella Edwardsiella hoshinae Enterobacter Enterobacter asburiae Enterobacter hormaechei Enterobacter intermedium Enterobacter kobei Erwinia Erwinia spp.