First detection of PPV7 is in Europe. Infection with this virus is most common in fatteners. In the last years several novel parvoviruses (PPVs) were discovered in pigs worldwide. The most recently discovered porcine parvovirus species is PPV7, which was detected in USA and China to date. Overall, 902 serum samples and 896 fecal samples were collected between 2014 and 2017 from 3 to 20 weeks old pigs from 14 conventional swine farms in Poland. PPV7 DNA was detected in samples from all examined farms. Overall, PPV7 was detected in 39,0% fecal pools and in 19,6% serum pools. No positive results were obtained from 3 to 6-week-old pigs. In growing pigs and fatteners the virus was detected in 26,1% serum pools and 51,4% fecal pools. PPV7 infection dynamics was similar in all tested farms. Five complete REP gene sequences of PPV7 from Poland were obtained. The identity of Polish sequences ranged from 94.3 to 96.7% and from 93.5 to 96.7% at the nucleotide and amino acid level, respectively.Their identity to previously discovered sequences from USA and China ranged from 93.9 to 95.0% and from 91.8 to 95.4% at the nucleotide and amino acid level, respectively.

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