COMPARISON OF SARS-COV-2 ANTIBODY PRODUCTION BY 2-DOSE CORONAVAC, 2-DOSE VAXZEVRIA, 2-DOSE CORONAVAC-VAXZEVRIA HETEROLOGOUS VACCINATION AND POST-INFECTION. SEATROPH. 2021;52(5):689-695. Accessed April 16, 2026. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/532