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European Surveillance for Pantropic Canine Coronavirus

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Decaro, Nicola | Cordonnier-Lefort, Nathalie | Demeter, Zoltán | Egberink, Herman | Elia, Gabriella | Grellet, Aurélien | Le Poder, Sophie | Mari, Viviana | Martella, Vito | Ntafis, Vasileios | von Reitzenstein, Marcela | Rottier, Peter J. | Rusvai, Miklos | Shields, Shelly | Xylouri, Eftychia | Xu, Zach | Buonavoglia, Canio

Edité par CCSD ; American Society for Microbiology -

International audience. Highly virulent pantropic canine coronavirus (CCoV) strains belonging to subtype IIa were recently identified in dogs. To assess the distribution of such strains in Europe, tissue samples were collected from 354 dogs that had died after displaying systemic disease in France (n = 92), Hungary (n = 75), Italy (n = 69), Greece (n = 87), The Netherlands (n = 27), Belgium (n = 4), and Bulgaria (n = 1). A total of 124 animals tested positive for CCoV, with 33 of them displaying the virus in extraintestinal tissues. Twenty-four CCoV strains (19.35% of the CCoV-positive dogs) detected in internal organs were characterized as subtype IIa and consequently assumed to be pantropic CCoVs. Sequence and phylogenetic analyses of the 5' end of the spike protein gene showed that pantropic CCoV strains are closely related to each other, with the exception of two divergent French viruses that clustered with enteric strains.

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