“…In the midst of this global health crisis, researchers have been tirelessly exploring various factors that may influence response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [1][2][3][4], including widely used vaccinations. In this issue of the Central European Journal of Immuno logy, you will find an article entitled "Influenza vaccination as a prognostic factor of humoral IgA responses to SARS-CoV-2 infection" [5]. The study provides evidence that influenza vaccination may confer additional benefits beyond its primary role in protecting against influenza viruses, and it has been chosen by the editorial board as the Editors Pick.…”