Large-scale digital signatures of emotional response to the COVID-19 vaccination campaign Anna Bertani, Riccardo Gallotti, Stefano Menini, Pierluigi Sacco and Manlio De Domenico EPJ Data Sci., 13 1 (2024) 20 Published online: 08 March 2024 DOI: 10.1140/epjds/s13688-024-00452-7