Cattoli, Giovanni, Milani, Adelaide, Temperton, Nigel ORCID: https://orcid.org/0000-0002-7978-3815, Zecchin, Bianca, Buratin, Alessandra, Molesti, Eleonora, Meherez Aly, Mona, Arafa, Abdel and Capua, Ilaria (2011) Antigenic drift in H5N1 avian influenza virus in poultry is driven by mutations in major antigenic sites of the hemagglutinin molecule analogous to those for human influenza virus. Journal of Virology, 85 (17). pp. 8718-8724. ISSN 0022-538X (Print), 1098-5514 (Online) (doi:10.1128/JVI.02403-10)