Implementation of contact isolation strategy for the containment of extended-spectrum ß-lactamase carriers in a University Hospital positively affects the epidemiology of carbapenemase-producing Enterobacterales Marta Hernández-García; Cristina Díaz-Agero; Blanca Pérez-Viso; Ana María Sánchez; Nieves López-Fresneña; María Isabel Morosini; Patricia Ruiz-Garbajosa; Rafael Cantón;