Emergence and spread of novel H5N8, H5N5 and H5N1 clade 2.3.4.4 highly pathogenic avian influenza in 2020 oleh Nicola S. Lewis, Ashley C. Banyard, Elliot Whittard, Talgat Karibayev, Thamer Al Kafagi, Ilya Chvala, Alex Byrne, Saduakassova Meruyert (Akberovna), Jacqueline King, Timm Harder, Christian Grund, Steve Essen, Scott M. Reid, Adam Brouwer, Nikolay G. Zinyakov, Azimkhan Tegzhanov, Victor Irza, Anne Pohlmann, Martin Beer, Ron A. M. Fouchier, Sultanov Akhmetzhan (Akievich), Ian H. Brown