Genetic and antigenic evolution of H1 swine influenza A viruses isolated in Belgium and the Netherlands from 2014 through 2019Abstract, Sharon, Chepkwony, Parys Anna, Elien Vandoorn, Wojciech Stadejek, Jiexiong Xie, Jacqueline King, Annika Graaf, Anne Pohlmann, Beer Martin, Timm Harder, et al. , Scientific Reports, Jan-12-2021, Volume 11, Issue 1, (2021)