Al-Harbi, M. G., I. M. Al-Oufi, F. S. Al-Saedi, K. G. Al-Harbi, S. A. Al-Hojaili, A. M. Al-Amrai, B. M. Abdulkareem, R. T. Karali, and M. A. Al-Qaidi. “The Effect of Immunization With Seasonal Influenza Vaccine for Health Workers in Primary Health Care Centers in AI-Madinah AI- Munawwarah Region”. International Journal of Health Sciences, vol. 6, no. S4, July 2022, pp. 4423-39, doi:10.53730/ijhs.v6nS4.10229.