Fig. 2From: First detection of highly pathogenic avian influenza virus in NorwayMaximum likelihood phylogenetic tree inferred from the HA gene segment of HPAI H5 viruses and rooted through the outgroup A/Goose/Guangdong/1/96. The HA gene sequences of HPAI H5N8 Norwegian isolates from 2020 to 2021 are coloured in redBack to article page