SAA2 and influenza: These patterns of viral attachment therefore agree with our lectin stainings, and they dispute the much cited study by Ito et al. It is of interest to note that chicken and duck influenza isolates are known to prefer SAα2,3-Gal β1,4 Glc NAc (as recognized by MAL-I) and SAα2,3-Gal β1,3 Gal NAc (as recognized by MAL-II) respectively [26,36].