NJBCS A. Knowledge, Perception and Reporting Attitude of Adverse Effects Following Immunization among Primary Healthcare Workers in Sabon Gari Local Government Area Zaria, Kaduna State, Nigeria. NJBCS [Internet]. 2026 Feb. 23 [cited 2026 Apr. 4];15(1). Available from: https://njbcs.ng/index.php/njbcs/article/view/1322