Authors
Ewa Kwit
Department of Food and Environmental Virology, National Veterinary Research Institute, Puławy, Poland
Zbigniew Osiński
Department of Hygiene of Animal Feedingstuffs, National Veterinary Research Institute, Puławy, Poland
Antonio Lavazza
Department of Virology, Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER), Brescia, Italy
Artur Rzeżutka
Department of Food and Environmental Virology, National Veterinary Research Institute, Puławy, Poland