Vancomycin-resistant enterococci (VRE) first appeared in the late 1980s in a few European countries. In the last two decades, however, vancomycin-resistant Enterococcus faecium (VREfm) as became an emergent and challenging nosocomial problem. Specific clonal groups of E. faecium show an enhanced capacity to disseminate in the nosocomial setting. These strains can be assigned to distinct clonal groups or complex...
Infections caused by Escherichia coli harboring extended-spectrum beta-lactamases (ESBL) have a tremendous impact on public health, because of treatment complications. ESBL-producing E. coli are increasingly reported in healthy food-producing animals that can spread to humans either by direct contact or, more importantly, through the food chain. Here we describe a molecular survey aimed at determining the popul...
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