IGKV2-24 and infection: The avian EM/W795(H5N8) and rCT/W811-HA193N viruses showed relatively minimal infection of α2,3-SAs expression sites, while, the human CA/04(H1N1) virus and the rCT/W811-HA193D virus infected sites expressing α2,6-SAs in the immunostaining data (Figure 8A).