Funding for this research was provided by:
Received: 17 December 2020
Accepted: 16 March 2021
First Online: 7 April 2021
: Written informed consent was obtained from the resident or his/her proxy. Ethical approval was granted by the ‘Medisch Ethische Toetsings Commissie’ of Leiden University Medical Centre (No.P16.039). The study was conducted in accordance with the guidelines of the Helsinki declaration. Sixty-four (49%) residents consented to participate. For this study, we included residents who gave consent for additional analyses, from whom faeces was cultured for MDROs at at least two time points, and of which sufficient material was left for microbiota profiling at at least two time points (<i>n</i> = 27 residents).
: Not applicable.
: ET and EK are supported by an unrestricted grant from Vedanta Biosciences Inc. EK has performed research for Cubist, Novartis and Qiagen and has participated in advisory forums of Astellas, Optimer, Actelion, Pfizer, Sanofi Pasteur and Seres Therapeutics. The companies had no role in the study or writing of the manuscript. The remaining authors declare that they have no competing interests.