Prevalence and risk factors of adverse effects after the first COVID-19 booster dose: evidence from Greece (preprint) - Galanis, Petros A; Katsiroumpa, Aglaia; Vraka, Irene; Chrysagi, Vanessa; Siskou, Olga; Konstantakopoulou, Olympia; Katsoulas, Theodoros; Gallos, Parisis; Kaitelidou, Daphne (2023)