Cross-national disparities in healthcare workers’ perceptions: Examining fear of infection and confidence in the received COVID-19 vaccines amid emerging variants - Mai Hussein; Assem Gebreal; Ahmed Naeem; Asmaa Mohammed AboElela; Hoda Ali Ahmed Shiba; Jargaltulga Ulziijargal; Aesha L. E. Enairat; Ibrahim Adel; Bayan Ayash; Shehata Farag Shehata; Safar Abadi Alsaleem; Ahmed A. Mahfouz; et al. (PLoS ONE, 2025)