Article (Scientific journals)
Comparative virucidal efficacy of seven disinfectants against murine norovirus and feline calicivirus, surrogates of human norovirus
Zonta, William; Mauroy, Axel; Farnir, Frédéric et al.
2016In Food and Environmental Virology
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Keywords :
Norovirus; Murine norovirus; Feline calicivirus; Foodborne viruses; Disinfection; Food-contact surfaces
Abstract :
[en] Human noroviruses (HuNoV) are the leading cause of acute nonbacterial gastroenteritis in humans and can be transmitted either by person-to-person contact or by consumption of contaminated food. Knowledge of an efficient disinfection for both hands and food contact surfaces is helpful for the food sector and provides precious information for public health. The aim of this study was to evaluate the effect of seven disinfectants belonging to different groups of biocides (alcohol, halogen, oxidizing agents, quaternary ammonium compounds, aldehyde and biguanide) on infectious viral titre and on genomic copy number. Due to the absence of a cell culture system for HuNoV, two HuNoV surrogates such as murine norovirus (MNV) and feline calicivirus (FCV), were used and the tests were performed in suspension, on gloves and on stainless steel discs. When, as criteria of efficacy, a log reduction > 3 of the infectious viral titre on both surrogates and in the three tests is used, the most efficacious disinfectants in this study appear to be biocidal products B, C and D, representing the halogens, the oxidizing agents group and a mix of QAC, alcohol and aldehyde, respectively. In addition, these three disinfectants also elicited a significant effect on genomic copy number for both surrogate viruses and in all three tests. The results of this study demonstrate that a halogen compound, oxidizing agents and a mix of QAC, alcohol and aldehyde are advisable for HuNoV disinfection of either potentially contaminated surfaces or materials in contact with foodstuffs.
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Zonta, William ;  Université de Liège - ULiège > Doct. sc. vété. (Bologne)
Mauroy, Axel ;  Université de Liège > Département des maladies infectieuses et parasitaires (DMI) > Virologie vétérinaire et maladies virales animales
Farnir, Frédéric  ;  Université de Liège > Département de productions animales > Biostatistiques et bioinformatique appliquées aux sc. vétér.
Thiry, Etienne ;  Université de Liège > Département des maladies infectieuses et parasitaires (DMI) > Virologie vétérinaire et maladies virales animales
Language :
English
Title :
Comparative virucidal efficacy of seven disinfectants against murine norovirus and feline calicivirus, surrogates of human norovirus
Publication date :
2016
Journal title :
Food and Environmental Virology
ISSN :
1867-0334
eISSN :
1867-0342
Publisher :
Springer, Germany
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FPS Health Federal Public Service Health, Food Chain Safety and Environment [BE]
ULg FSR - Université de Liège. Fonds spéciaux pour la recherche [BE]
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