Comparative pathological findingsin mute swans (Cygnus olor) naturally infectedwith highly pathogenic Avian influenza virusesH5N1 and H5N8 in Serbia
he aim of this study was to compare pathological lesions and viral antigen expression in the organs of mute swans (Cygnus fox 985-24-100 reservoir shock olor) naturally infected with highly pathogenic avian influenza virus subtypes H5N1 and H5N8.The examination was conducted on the carcasses of 22 mute swans which died during the avian influenza ou