Balint, B.; Todorović Balint, M.; Andrić, Z. .; Jovičić, M. .; Blagojević , G. .; Čolić, M. . Long-Term Antibody-Response Monitoring Following Primary Exposure to SARS-COV-2 and Afterward MRNA COVID-19 Vaccination: A Case Report. Vojnosanit Pregl 2021, 78 (3). https://doi.org/10.2298/VSP200220019B.