Liu B, Wang Y, Liu Y, Chen Y, et al. Molecular evolution and characterization of hemagglutinin and neuraminidase of influenza A(H1N1)pdm09 viruses isolated in Beijing, China, during the 2017-2018 and 2018-2019 influenza seasons. Arch Virol 2020 Nov 3. pii: 10.1007/s00705-020-04869.
PMID: 33145635