Mohiedden, M. ., A. M. Said, A. M. Ali, M. M. Abdel Razik, and M. A. Gad. “Healthcare Workers Infection Rate in the Era of Coronavirus Disease 2019 - in Tertiary Teaching Hospital”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. A, Aug. 2021, pp. 651-8, doi:10.3889/oamjms.2021.6584.