We thank all the members of the Dutch CPE and MRSA surveillance study Groups and the Dutch medical microbiology laboratories for submitting MDRO isolates to the RIVM for the national CPE/MRSA surveillance program. We thank Dr. Romy D. Zwittink, Dr. Rob Mariman, and Dr. Daan W. Notermans for critical reading of the manuscript.

Members of the Dutch CPE/MRSA Surveillance Study Group:

• A.L.E. van Arkel, ADRZ medisch centrum, Department of Medical Microbiology, Goes

• M.A. Leversteijn-van Hall, Alrijne Hospital, Department of Medical Microbiology, Leiden

• W. van den Bijllaardt, Amphia Hospital, Microvida Laboratory for Microbiology, Breda

• R. van Mansfeld, Amsterdam UMC—location AMC, Department of Medical Microbiology and Infection Prevention, Amsterdam

• K. van Dijk, Amsterdam UMC—location Vumc, Department of Medical Microbiology and Infection Control, Amsterdam

• B. Zwart, Atalmedial, Department of Medical Microbiology, Amsterdam

• B.M.W. Diederen, Bravis Hospital/ZorgSaam Hospital Zeeuws-Vlaanderen, Department of Medical Microbiology, Roosendaal/Terneuzen

• H. Berkhout, Canisius Wilhelmina Hospital, Department of Medical Microbiology and Infectious Diseases, Nijmegen

• D.W. Notermans, Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven

• A. Ott, Certe, Department of Medical Microbiology Groningen & Drenthe, Groningen

• K. Waar, Certe, Department of Medical Microbiology Friesland & Noordoostpolder, Leeuwarden

• W. Ang, Comicro, Department of Medical Microbiology, Hoorn

• J. da Silva, Deventer Hospital, Department of Medical Microbiology, Deventer

• A.L.M. Vlek, Diakonessenhuis Utrecht, Department of Medical Microbiology and Immunology, Utrecht

• A.G.M. Buiting, Elisabeth-TweeSteden (ETZ) Hospital, Department of Medical Microbiology and Immunology, Tilburg

• L.G.M. Bode, Erasmus University Medical Center, Department of Medical Microbiology and Infectious Diseases, Rotterdam

• A. Jansz, Eurofins PAMM, Department of Medical Microbiology, Veldhoven

• S. Paltansing, Franciscus Gasthuis & Vlietland, Department of Medical Microbiology and Infection Control, Rotterdam

• A.J. van Griethuysen, Gelderse Vallei Hospital, Department of Medical Microbiology, Ede

• J.R. Lo Ten Foe, Gelre Hospital, Department of Medical Microbiology and Infection Control, Apeldoorn

• M.J.C.A. van Trijp, Groene Hart Ziekenhuis, Department of Medical Microbiology and Infection Prevention, Gouda

• M. Wong, Haga Hospital, Department of Medical Microbiology, 's-Gravenhage

• A.E. Muller, HMC Westeinde Hospital, Department of Medical Microbiology, 's-Gravenhage

• M.P.M. van der Linden, IJsselland hospital, Department of Medical Microbiology, Capelle a/d IJssel

• M. van Rijn, Ikazia Hospital, Department of Medical Microbiology, Rotterdam

• S.B. Debast, Isala Hospital, Laboratory of Medical Microbiology and Infectious Diseases, Zwolle

• E. Kolwijck, Jeroen Bosch Hospital, Department of Medical Microbiology and Infection Control, 's-Hertogenbosch

• N. Al Naiemi, LabMicTA, Regional Laboratory of Microbiology Twente Achterhoek, Hengelo

• T. Schulin, Laurentius Hospital, Department of Medical Microbiology, Roermond

• S. Dinant, Maasstad Hospital, Department of Medical Microbiology, Rotterdam

• S.P. van Mens, Maastricht University Medical Centre, Department of Medical Microbiology, Infectious Diseases & Infection Prevention, Maastricht

• D.C. Melles, Meander Medical Center, Department of Medical Microbiology, Amersfoort

• J.W.T. Cohen Stuart, Noordwest Ziekenhuisgroep, Department of Medical Microbiology, Alkmaar

• P. Gruteke, OLVG Lab BV, Department of Medical Microbiology, Amsterdam

• A. P. van Dam, Amsterdam Health Service, Public Health Laboratory, Amsterdam

• I. Maat, Radboud University Medical Center, Department of Medical Microbiology, Nijmegen

• B. Maraha, Regional Laboratory for Microbiology, Department of Medical Microbiology, Dordrecht

• J.C. Sinnige, Regional Laboratory of Public Health, Department of Medical Microbiology, Haarlem

• E. van der Vorm, Reinier de Graaf Groep, Department of Medical Microbiology, Delft

• M.P.A. van Meer, Rijnstate Hospital, Laboratory for Medical Microbiology and Immunology, Velp

• M. de Graaf, Saltro Diagnostic Centre, Department of Medical Microbiology, Utrecht

• E. de Jong, Slingeland Hospital, Department of Medical Microbiology, Doetinchem

• S.J. Vainio, St Antonius Hospital, Department of Medical Microbiology and Immunology, Nieuwegein

• E. Heikens, St Jansdal Hospital, Department of Medical Microbiology, Harderwijk

• M. den Reijer, Star-shl diagnostic centre, Department of Medical Microbiology, Rotterdam

• J.W. Dorigo-Zetsma, TergooiMC, Central Bacteriology and Serology Laboratory, Hilversum

• A. Troelstra, University Medical Center Utrecht, Department of Medical Microbiology, Utrecht

• J. de Vries, VieCuri Medical Center, Department of Medical Microbiology, Venlo

• D.W. van Dam, Zuyderland Medical Centre, Department of Medical

• E.I.G.B. de Brauwer, Zuyderland Medical Centre, Department of Medical Microbiology and Infection Control, Heerlen

• R. Steingrover, St. Maarten Laboratory Services, Department of Medical Microbiology, Cay Hill (St. Maarten)

• Analytical Diagnostic Center N.V. Curaçao, Department of Medical Microbiology, Willemstad (Curaçao)