Kama J, Sanusi Karama R, Prithvi J. Diphtheria outbreak triggered by low vaccine coverage and socioeconomic status in 2023: Nigeria. Int J Community Med Public Health [Internet]. 2024 Nov. 29 [cited 2025 Nov. 16];11(12):5032-7. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/13063