Chapter 22 Enterobacteriaceae 327 Table 22-2 Pathogenesis and Spectrum of Diseases for Clinically Relevant Enterobacteriaceae—cont'd


Virulence Factors

Spectrum of Disease and Infections


Similar to those of K enterocolitica

Causes similar infections as described for Y. enterocolitica but much less common

Gitrobacterspp., Enterobacter spp., Klebsiella spp., Morganellaspp., Proteusspp., Prowdencia spp., and Serai/a spp.

Several f ictors, including endotoxins, caosules, adhesion proteins, and resistance to multiple antimicrobial agents

Wide variety of nosocomial infections of respiratory tract, urinary tract blood, and several other normally sterile sites; most frequently infect hospitalized and seriously debilitated patients

Figure 22-1 "Bulls-eye" (arrow) colony of Yersinia enterocolitka on gefsoludin-irgasan-novobiocin (CIN) agar.

1 'after 48 hours. CIN agar, used for the isolation of Y. thterocolitica, should be incubated 48 hours to allow foi the development of typical "bulls-eye" colonies (Figure 22-1).

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Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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