Al-Harbi, M. G.; Al-Oufi, I. M.; Al-Saedi, F. S.; Al-Harbi, K. G.; Al-Hojaili, S. A.; Al-Amrai, A. M.; Abdulkareem, B. M.; Karali, R. T.; Al-Qaidi, M. A. The Effect of Immunization With Seasonal Influenza Vaccine for Health Workers in Primary Health Care Centers in AI-Madinah AI- Munawwarah Region. Int. J. of Health Sci. 2022, 6, 4423-4439.