Muriu, N., Onditi, J., Kosgei, S., Kokumu, J., Opanga, Y., Mwende, R., Gituanja, M., Wangari, N., Munene, K., Maina, J., King’ori, B., Mumbi, C., Gicheru, N. and Wachira, E. 2025. Last mile delivery of COVID-19 vaccination to populations aged 15 years and above in Nyeri County, Kenya, March 2021-June 2022. East African Journal of Health and Science. 8, 2 (Aug. 2025), 223-239. DOI:https://doi.org/10.37284/eajhs.8.2.3442.