A nosocomial outbreak of Escherichia coli producing CTX-M-15 and OXA-30 β-lactamase

During a survey of the prevalent subtypes of extended-spectrum beta-lactamases in a university hospital in Korea, a nosocomial outbreak of Escherichia coli producing CTX-M-15 and OXA-30 beta-lactamases was detected. The outbreak comprised various infections, including bloodstream infections and colonization, and persisted for several months in various areas of the hospital.