Saragih, I.D., Suarilah, I. and Saragih, I.S. 2022. Prognosis of survival among older adults with COVID-19: A systematic review and meta-analysis. International journal of health sciences. 6, S5 (Jun. 2022), 4429–4444. DOI:https://doi.org/10.53730/ijhs.v6nS5.9576.