Dadras, Omid, SeyedAhmad SeyedAlinaghi, Amirali Karimi, Alireza Shojaei, Ava Amiri, Sara Mahdiabadi, Amirata Fakhfouri, et al. “COVID-19 Vaccines’ Protection Over Time and the Need for Booster Doses; A Systematic Review”. Archives of Academic Emergency Medicine 10, no. 1 (July 4, 2022): e53. Accessed July 8, 2026. https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/1582.