Key result
Among 194 wild boars in Slovakia, 19.1% were positive for porcine parvovirus type 3 and 43.8% for porcine circovirus type 2, with coinfection rates of approximately 11%.
Cross-Sectional (n=194)
The study demonstrates the presence and genetic characteristics of PPV3 and PCV2 in wild boars in Slovakia, highlighting potential sylvatic reservoirs for these viruses.
Signals rising interspecies transmission risk in expanding wild boar populations; leaves open surveillance needs for domestic swine.
As the number of free-living wild boars (Sus scrofa L.) continues to rise in Slovakia, the probability of pathogen transmission between susceptible species increases. We investigated the distribution and genetic characterization of porcine parvovirus type 3 (PPV3), porcine circovirus type 2 (PCV2), and their coinfection in wild boars. Among 194 animals tested, 19.1% were positive for PPV3 and 43.8% for PCV2. Similar rates of coinfection with both viruses reaching 11.0% and 11.8% were observed in juvenile and mature wild boars, respectively. Phylogenetic analysis of PPV3 sequences from VP1 and NS1 genomic regions revealed a close genetic relationship among isolates from Slovakia and those sampled worldwide. Prevalence of PCV2 in wild boars was lower than that reported in domestic pigs in Slovakia. The PCV2 variants originating from sylvatic and domestic hosts in Slovakia were grouped in the same clusters, namely PCV2b-1A/1B and PCV2a-2D.
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Sliz et al. (2015) conducted a cross-sectional in Porcine parvovirus type 3 (PPV3) and porcine circovirus type 2 (PCV2) infection (n=194). PPV3 and PCV2 infection was evaluated on Prevalence of PPV3 and PCV2. Among 194 wild boars in Slovakia, 19.1% were positive for porcine parvovirus type 3 and 43.8% for porcine circovirus type 2, with coinfection rates of approximately 11%.
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