Klebsiella oxytoca is an important opportunistic pathogen which cause community or hospital-acquired infections in adults and children.The disease it most causes is antibiotic-associated hemorrhagic colitis(AAHC).It can also cause diseases such as urinary tract infections,pneumonia and bloodstream infections.The cytotoxins including Tilivalline and Tilimycin are important virulence factors for Klebsiella oxytoca,mainly causing AAHC.This article reviewed the progress of research on the prevalence,pathogenicity and mechanisms of K.oxytoca,hoping to improve the understanding of K.oxytoca and provide guidance on disease prevention and treatment.
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