Alshammari, Yousef fehaid hawas. 2024. “Advancements in Vaccination Tracking and Delivery Systems through Health Informatics: A Review of Digital Innovations and COVID-19 Impact: Advancements in Vaccination Tracking and Delivery Systems through Health Informatics: A Review of Digital Innovations and COVID-19 Impact”. Saudi Journal of Medicine and Public Health 1 (1). https://saudijmph.com/index.php/pub/article/view/6.