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Acknowledgements. The funding agencies had no role in the design and execution of the study; collection, analysis, and interpretation of the data; or preparation or review of the manuscript. The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention or Department of Veterans Affairs.
Financial support. This work was supported by the Centers for Disease Control and Prevention and the Department of Veterans Affairs.
Conflicts of interest. C.J.D. has received research funding from EcoLab, Clorox, GOJO and Altapure and serves on an advisory board for Synthetic Biologics. D.N.G. holds patents and technology for the treatment and pre- vention of CDI, and is a consultant for Sanofi Pasteur, Merck, DaVolterra, MGB, Rebiotix and Actelion and holds a research grant from Seres Ther- apeutics. All other authors report no potential conflicts.
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