Contribution of segment 3 to the acquisition of virulence in contemporary H9N2 avian influenza viruses
A. L. Clements, J. E. Sealy, T. P. Peacock, J.-R. Sadeyen, S. Hussain, S. J. Lycett, H. Shelton, P. Digard, M. Iqbal
This paper identifies a single amino acid change in the PA protein of H9N2 avian influenza viruses that enhances virulence and replication in poultry.
bioRxiv · May 27, 2020Microbiology