Knowledge and Uptake of Covid-19 Vaccine Amongst Students of Tertiary Institutions in Oghara, Delta State, Nigeria. African Journal of Tropical Medicine and Biomedical Research, Delta, Nigeria, v. 7, n. 1, p. 63–76, 2025. DOI: 10.4314/. Disponível em: https://ajtmbr.org.ng/index.php/home/article/view/127. Acesso em: 12 dec. 2025.