- •An investigation documented contamination of an in-use hospital-grade disinfectant.
- •The disinfectant contained 9.3 × 104 CFU of S. marcescens and A. xylosoxidans.
- •Serratia was 102-fold less sensitive to fresh disinfectant than a control strain.
- •Whole genome sequencing of Serratia revealed sdeXY, sdeAB, smfY and sugE-like genes.
- •Contamination was due to failure to follow recommended disinfection protocols.
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Dr. Boyce is now with J.M. Boyce Consulting, LLC, Middletown, CT and Nancy Havill is now with the Infection Control Program, Yale-New Haven Hospital, New Haven, CT.
Conflict of Interest: JMB is a consultant to, has received travel support from, and given presentations at venues sponsored by Diversey, GOJO Industries and Sodexo Healthcare. NLH claims no conflicts of interest.