“COMPARISON OF SARS-COV-2 ANTIBODY PRODUCTION BY 2-DOSE CORONAVAC, 2-DOSE VAXZEVRIA, 2-DOSE CORONAVAC-VAXZEVRIA HETEROLOGOUS VACCINATION AND POST-INFECTION” (2021) The Southeast Asian Journal of Tropical Medicine and Public Health, 52(5), pp. 689–695. Available at: https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/532 (Accessed: 16 April 2026).