Attachment of noroviruses to stainless steel and their inactivation, using household disinfectants

Journal of Food Protection
Maryline GirardJ Jean

Abstract

The aims of this study were (i) to evaluate the impact of pH and relative humidity on the attachment of norovirus (NoV) to fomites and (ii) to evaluate the effectiveness of different household disinfectants on NoV attached to fomites. Plaque assay and/or real-time reverse transcription PCR assay were used to determine the amount of murine and human NoV attached to stainless steel disks, i.e., the amount removed by sonication in elution buffer but not by surface rinses with water only. An enzymatic pretreatment was used for both human and murine NoV before the real-time reverse transcription PCR assay to avoid detection of RNA associated with inactivated virus. For both murine and human NoV, maximum attachment was obtained after a contact time of 10 min. Attachment of NoV to stainless steel does not appear to be affected by pH, although murine NoV was less attached (<2 log units) at pH 9 and at low relative humidity (25%) than was human NoV (3 log units). Sodium hypochlorite (3%) was the most effective disinfectant, producing a greater than 3-log reduction after 10 min compared with less than a 1-log reduction after treatment with quaternary ammonium compounds and ethoxylated alcohols. Murine NoV was more sensitive than human No...Continue Reading

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Citations

Mar 31, 2015·Biocontrol Science·Isanori HoriuchiTomomi Kuwahara
Dec 25, 2010·Applied and Environmental Microbiology·S A RutjesA M de Roda Husman
Feb 14, 2012·Applied and Environmental Microbiology·Kristen E GibsonSteven C Ricke
Dec 4, 2010·Foodborne Pathogens and Disease·Halimatou SowJulie Jean
Jan 17, 2013·Foodborne Pathogens and Disease·Maryline GirardJulie Jean
May 9, 2012·Journal of Food Protection·B I EscuderoL A Jaykus
Nov 25, 2014·Food and Environmental Virology·Allison VimontJulie Jean
Jun 11, 2017·Applied and Environmental Microbiology·Eric MoormanLee-Ann Jaykus
Sep 10, 2017·Applied and Environmental Microbiology·Nathan DunkinKellogg J Schwab
Jul 10, 2013·Journal of Food Protection·Grace TungLee-Ann Jaykus
Apr 23, 2015·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Laetitia BonifaitCaroline Duchaine
Jun 13, 2014·Food and Environmental Virology·An-Na KimSang-Do Ha
Dec 3, 2017·Food and Environmental Virology·Agata StobnickaRafał L Górny
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Feb 23, 2021·Frontiers in Microbiology·Mathilde Trudel-FerlandJulie Jean
Jul 28, 2021·Food and Environmental Virology·Idrissa SamandoulgouJulie Jean
Sep 23, 2021·Applied and Environmental Microbiology·Mathilde Trudel-FerlandJulie Jean

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