Klebsiella oxytoca an overlooked pathogen in antibiotic-associated diarrhoea and its impact in gut microbiota

To investigate the prevalence, gut microbiota impact, and pathogenic mechanisms of Klebsiella oxytoca (K.oxytoca) in antibiotic-associated diarrhea (AAD) among Chinese patients, addressing the knowledge gap in its epidemiology and role beyond Clostridium difficile.