Epidemiology of Serratia marcescens infections in NICU of a Teaching and Research Hospital in Northern Italy.

Background: Serratia marcescens (Sm) is a known cause of infection and colonization in neonates receiving intensive care. The aim of this study was to identify the risk factors for colonization and infection with Sm in Neonatal Intensive Care Unit (NICU) of a tertiary care Hospital.

Methods: A case-control study was conducted from January to December 2011 in neonates admitted to the NICU.