Rahmatika, Frida Neila, Indah Ika Suryaningsih, Nur Chumairoh, and Djoni Djunaedi. “Comparison of Antibody Titers From COVID-19 Survivors and Health Workers Getting Two Doses of the Sinovac® Vaccine”. KnE Medicine 2, no. 3 (September 15, 2022): 459–464. Accessed November 28, 2022. https://knepublishing.com/index.php/KnE-Medicine/article/view/11898.