Authors’ response: Sequencing bias for residue 28 of the neuraminidase of the recent highly pathogenic avian influenza virus A(H5N8) Susloparov, Ivan M and Kolosova, Natalia P and Danilenko, Aleksey V and Ryzhikov, Aleksandr B, Eurosurveillance, 26, 2100871 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.36.2100871