Fig. 3From: Sanitary installations and wastewater plumbing as reservoir for the long-term circulation and transmission of carbapenemase producing Citrobacter freundii clones in a hospital settingVisualisation of 53 Citrobacter freundii isolates in time according to collection site BW = black water, GW = grey water, P = group of wastewater pipes (P01 collects rooms R01 to R09; P03 collects rooms R10 to R16), R = patient room number. The isolates were coloured by assigned cluster and visualised in time (x-axis = time point of collection) and space (y-axis = site of collection). Patient isolates are indicated with an inner dot Back to article page