Vaccine hesitancy: Pattern of side effects of the first dose of AstraZeneca COVID-19 vaccine among healthcare workers in Enugu. Annals of Clinical and Biomedical Research, [S. l.], v. 3, n. 1, 2022. DOI: 10.4081/acbr.2022.174. Disponível em: https://africa.pagepress.net/acbr/article/view/174. Acesso em: 20 jan. 2026.