Authors
Małgorzata Kwaśnik
malgorzata.kwasnik@piwet.pulawy.pl
Department of Virology, National Veterinary Research Institute, Pulawy, Poland
Ilona Marcelina Góra
Department of Virology, National Veterinary Research Institute, Pulawy, Poland
Wojciech Rożek
Department of Virology, National Veterinary Research Institute, Pulawy, Poland