Prevalence and risk factors of burnout among employees at COVID-19 vaccination centers: A cross-sectional study - Alaa Mathkour; Abdullah Hassan Alzahrani; Bayapa Reddy Narapureddy; Faris Maeed Alqahtani; Abdullah M. Alshehri; Majed Atiah Althagafi; Shmookh Mohsen Alsyd; Shaik Mohammed Asif; Sunil Kumar Vaddamanu (PLoS ONE, 2025)