Gianfredi, V.; Minerva, M.; Casu, G.; Capraro, M.; Chiecca, G.; Gaetti, G.; Mantecca Mazzocchi, R.; Musarò, P.; Berardinelli, P.; Basteri, P.; Bertini, B.; Ferri, C.; Odone, A.; Signorelli, C.; Alberti, V. F.; Gastaldi, G. Immediate Adverse Events Following COVID-19 Immunization. A Cross-Sectional Study of 314,664 Italian subjects.: Immediate Adverse Events Following COVID-19 Immunization. Acta Biomed 2021, 92 (S6), e2021487. https://doi.org/10.23750/abm.v92iS6.12365.