Fig. 2From: Molecular surveillance of carbapenemase-producing Pseudomonas aeruginosa at three medical centres in Cologne, GermanyEpidemiological timeline and transmission route of PFGE type A VIM-2-producing P. aeruginosa. Each node represents one patient at time of first isolation. Arrow indicates genetically and epidemiological confirmed transmission events (dashed line = room-to-patient; continuous line = patient-to-patient). Encircled nodes indicate ward of transmission. Positions of the nodes on the y-axis were randomly chosenBack to article page