Fig. 3

Alerts by P75, CLAR and WHONET-SaTScan cluster detection systems for Serratia marcescens in the Neonatal ICU. The (height of the) grey bars indicate the number of positive test cultures per month for a specific pathogen with a specific antibiotic resistance phenotype. The black, blue and red bars and checked boxes indicate the presence of an alert per two months for P75, CLAR and WHONET-SaTScan respectively