References
Becker, G. S. (1993). Human capital: A theoretical and empirical analysis. Chicago: University of Chicago Press. Bronfenbrenner, U. (1979). The ecology of human development. Cambridge, MA: Harvard University Press. Glanz, K., Rimer, B. K., & Viswanath, K. (2015). Health behavior: Theory, research, and practice. San Francisco: Jossey-Bass. Marmot, M., et al. (2008). Closing the gap in a generation. WHO Commission on Social Determinants of Health. Rosenstock, I. M. (1966). Why people use health services. Milbank Memorial Fund Quarterly, 44(3), 94–127. Akinlotan, M., & Onyeukwu, R. (2021). Immunization and academic performance. Journal of African Education Studies, 10(1), 45–59. Andre, F. E., et al. (2008). Vaccination and disease reduction. Bulletin of the World Health Organization, 86(2), 140–146. Basch, C. E. (2011). Health and academic outcomes. Journal of School Health, 81(10), 619– 628. Larson, H. J., et al. (2018). Vaccine hesitancy. The Lancet, 392(10161), 2472–2484. NPHCDA (2022). Routine Immunization Strategic Plan. Abuja: NPHCDA. Obadare, E., & Mejeha, R. (2020). Immunization uptake in Nigeria. African Journal of Public Health, 14(3), 98–107. Sulaiman, A. A., et al. (2019). Childhood illness and school attendance. Nigerian Journal of Paediatrics, 46(4), 215–222. Thompson, L., et al. (2017). Immunization and school participation. Health Education Research, 32(3), 215–226. Uzochukwu, B., et al. (2021). Barriers to immunization in rural Nigeria. Vaccine, 39(3), 473– 482. Adedokun, S. et al. (2020). Vaccine hesitancy in Nigeria. Vaccine, 38(35), 5556–5565. Adewumi, H., & Ugwu, R. (2020). Childhood immunization uptake in rural Nigeria. Public Health Review, 41(2), 78–85. Adewuyi, E. O., & Adefemi, K. (2019). Determinants of immunization coverage in sub- Saharan Africa. BMC Public Health, 19(1), 160. Akinlotan, M., & Onyeukwu, R. (2021). Immunization status and academic achievement. Journal of African Education Studies, 10(1), 45–59. Andre, F. E. et al. (2008). Vaccination greatly reduces disease burden. Bulletin of the WHO, 86(2), 140–146. Basch, C. E. (2011). Healthier students are better learners. Journal of School Health, 81(10), 619–628. Bhutta, Z. A. et al. (2019). Child health outcomes in LMICs. Lancet Child & Adolescent Health, 3(3), 144–157. CDC (2021). Vaccine preventable diseases and complications. Centers for Disease Control and Prevention. Gupta, A. et al. (2020). Health and academic performance. Journal of Child Health, 12(4), 298–307. Jukes, M. C. et al. (2008). Longitudinal effects of health on learning. Educational Research, 50(4), 345–360. Larson, H. J. et al. (2018). Understanding vaccine confidence. Lancet, 392(10161), 2472–2484. NPC & ICF (2019). Nigeria Demographic and Health Survey 2018. National Population Commission & ICF. NPHCDA (2022). Routine Immunization Strategic Plan. Abuja: NPHCDA. Onyeka, S. et al. (2022). Coverage patterns in rural Nigeria. African Journal of Public Health, 16(6), 112–123. Prendergast, A. J., & Kelly, P. (2018). Enteric infections and nutrition. Lancet Global Health, 6(6), e616-e627. Thompson, L. et al. (2017). Immunization and school attendance in South Africa. Health Education Research, 32(3), 215–226. Uzochukwu, B. et al. (2021). Barriers to vaccine uptake in rural Nigeria. Vaccine, 39(3),473–482. WHO & UNICEF (2023). Immunization coverage estimates. Geneva: WHO & UNICEF. Adeyemi, T. O. (2018). School variables and students’ academic performance in Nigerian primary schools. Educational Research Review, 13(2), 45–54. Akanbi, G. O., & Alao, E. M. (2020). Socio-economic factors and pupils’ learning outcomes in rural Nigeria. Journal of Education and Practice, 11(6), 112–120. Basch, C. E. (2019). Healthier students are better learners. Journal of School Health, 89(4), 223–231. Bloom, D. E., Canning, D., & Weston, M. (2019). The value of vaccination. World Economics, 20(3), 1–25. Eze, T. I., & Okafor, V. C. (2021). Determinants of academic performance among primary school pupils in Nigeria. African Journal of Educational Studies, 9(1), 67–79. Federal Ministry of Education. (2020). National policy on education. Abuja: FME. Kearney, C. A. (2016). Chronic absenteeism: Impacts on academic achievement. School Psychology Review, 45(4), 363–380. OECD. (2019). Education at a glance. Paris: OECD Publishing. UNESCO. (2020). Global education monitoring report. Paris: UNESCO. UNICEF. (2021). Education and equity in developing countries. New York: UNICEF. World Bank. (2018). World development report: Learning to realize education’s promise. Washington, DC: World Bank. WHO & UNESCO. (2022). Making every school a health-promoting school. Geneva: WHO. Bloom, D. E., Canning, D., & Weston, M. (2019). The value of vaccination. World Economics, 20(3), 1–25. National Primary Health Care Development Agency . (2022). National routine immunization strategic plan. Abuja: NPHCDA. UNICEF. (2021). The state of the world’s children: On my mind – promoting, protecting and caring for children’s mental health. New York: UNICEF. World Health Organization . (2023). Immunization coverage. Geneva: WHO.