Circovirus in domestic and wild carnivores: An important opportunistic agent?
2016
Zaccaria, Guendalina | Malatesta, Daniela | Scipioni, Gabriella | Di Felice, Elisabetta | Campolo, Marco | Casaccia, Claudia | Savini, Giovanni | Di Sabatino, Daria | Lorusso, Alessio
Circoviruses are relatively novel pathogens with increased importance in canids. In this study, we first screened the presence of dog circovirus (DogCV) by molecular methods from a total number of 389 internal organ samples originating from 277 individuals of domestic dogs and wild animals including wolves, foxes and badgers. All the animals originated from Central-Southern Italy, specifically from Abruzzi and Molise regions, areas hosting several natural parks. DogCV was detected in 9/34 wolves (P=26.4%; IC 95%: 14.6–43.1%), 8/209 dogs (P=3.8%; IC 95%: 1.9–7.3%), 0/24 foxes (P=0%; IC 95%: 0–13.8%), 1/10 badgers (P=10%; IC 95%: 1.79–40.4%). However, all DogCV positive animals were shown to be infected at least by an additional key pathogen, including canine distemper virus (CDV) and canine parvovirus type 2. All wolves, but one, presenting DogCV in the internal tissues suffered from CDV infection. The DNA purified from 17 DogCV infected organs was used for whole genome sequencing and phylogenetic analysis.
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