<i>Enterococcus faecium</i> has undergone a transition to a multidrug-resistant nosocomial pathogen. The population structure of <i>E. faecium</i> is characterized by a sharp distinction of clades, where the hospital-adapted lineage is primarily responsible for bacteremia. So far, factors that were identified in hospital-adapted strains and that promoted pathogenesis of nosocomial <i>E. faecium</i> ...