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Kontopoulou, Konstantina; Ainatzoglou, Alexandra; Nakas, Christos T.; Ifantidou, Athina; Goudi, Georgia; Antoniadou, Eleni; Adamopoulos, Vasilios; Papadopoulos, Nikitas; Papazisis, Georgios (2021). Second dose of the BNT162b2 mRNA vaccine: Value of timely administration but questionable necessity among the seropositive. Vaccine, 39(36), pp. 5078-5081. Elsevier 10.1016/j.vaccine.2021.07.065
