Kassy, W. C.; Ochie, C. N.; Ndu, A. C.; Olanike, Agwu-Umahi , R.; Ibiok, C. N.; Ogugua, I. J.; Chime, O. H.; Chinonyelu, O.; Arinze-Onyia, S. U.; Aguwa, E. N.; Okeke, T. A. A Review Article on Previous Outbreaks of Yellow Fever and Responses in Nigeria: https://doi.Org/10.60787/NMJ-64-4-294. Niger Med J 2023, 64, 427-447.