Rana Kareem Salih Alfursan, Bahaa Abdulsahib Hamad, Yusra Haleem Hasan Alaraji. Influenza Vaccination Uptake, Knowledge, Attitudes, and Barriers Among Healthcare Workers in Primary Health Care Centres in Karbala, Iraq: A Cross-Sectional Study. Aca. Intl. J. M. U. 2026;4(2):31-43. doi:10.59675/U423