A total of 125 isolates, including 62 Thai isolates (50 proportionally representing the different regional zones, 11 resistant to extendedspectrum cephalosporins based on disk diffusion screening performed in Thailand, 1 harboring qnrS1), 39 isolates from Denmark, and 24 isolates from France, were genotyped by PFGE.Atotalof91uniqueXbaIPFGEpatternsand17clusters were observed (Fig. 2 to 4).