Outbreak of bloodstream infections because of Serratia marcescens in a pediatric department.

Background: Serratia marcescens can cause health care-associated infections. We herewith report the investigation and control of an outbreak of S marcescens bloodstream infections (BSI) in a general pediatric department.

Methods: From April to May 2009, temporally related cases of S marcescens BSI occurred in a 40-bed general pediatric department of a tertiary care hospital.