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Adenovirus and Norovirus Contaminants in Commercially Distributed Shellfish

Rodriguez-Manzano, J, Hundesa, A, Calgua, B, Carratala, A, Maluquer de Motes, C, Rusiñol, M, Moresco, V, Ramos, AP, Martínez-Marca, F, Calvo, M, Monte Barardi, CR, Girones, R and Bofill-Mas, S (2014) Adenovirus and Norovirus Contaminants in Commercially Distributed Shellfish Food and Environmental Virology, 6 (1). pp. 31-41.

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Abstract

Shellfish complying with European Regulations based on quantification of fecal bacterial indicators (FIB) are introduced into markets; however, information on viruses, more stable than FIB, is not available in the literature. To assess the presence of noroviruses (NoVs) GI and GII and human adenoviruses (HAdV) in domestic and imported mussels and clams (n = 151) their presence was analyzed during winter seasons (2004-2008) in north-west Spanish markets through a routine surveillance system. All samples tested negative for NoV GI and 13 % were positive for NoV GII. The role of HAdV as viral indicator was evaluated in 20 negative and 10 positive NoV GII samples showing an estimated sensitivity and specificity of HAdV to predict the presence of NoV GII of 100 and 74 % (cut-off 0.5). The levels of HAdV and NoVs and the efficiency of decontamination in shellfish depuration plants (SDP) were evaluated analyzing pre- and post-depurated mussels collected in May-June 2010 from three different SDP. There were no statistically significant differences in the prevalence and quantification of HAdV between pre- and post-depurated shellfish and between seawater entering and leaving the depuration systems. Moreover, infectious HAdV were detected in depurated mussels. These results confirm previous studies showing that current controls and depuration treatments limiting the number of FIB do not guarantee the absence of viruses in shellfish. © 2013 Springer Science+Business Media New York.

Item Type: Article
Authors :
NameEmailORCID
Rodriguez-Manzano, JUNSPECIFIEDUNSPECIFIED
Hundesa, AUNSPECIFIEDUNSPECIFIED
Calgua, BUNSPECIFIEDUNSPECIFIED
Carratala, AUNSPECIFIEDUNSPECIFIED
Maluquer de Motes, Cc.maluquerdemotes@surrey.ac.ukUNSPECIFIED
Rusiñol, MUNSPECIFIEDUNSPECIFIED
Moresco, VUNSPECIFIEDUNSPECIFIED
Ramos, APUNSPECIFIEDUNSPECIFIED
Martínez-Marca, FUNSPECIFIEDUNSPECIFIED
Calvo, MUNSPECIFIEDUNSPECIFIED
Monte Barardi, CRUNSPECIFIEDUNSPECIFIED
Girones, RUNSPECIFIEDUNSPECIFIED
Bofill-Mas, SUNSPECIFIEDUNSPECIFIED
Date : 1 March 2014
Identification Number : https://doi.org/10.1007/s12560-013-9133-1
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:08
Last Modified : 17 May 2017 14:47
URI: http://epubs.surrey.ac.uk/id/eprint/826521

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