| Nigeria demographic and health survey 2013 National Population Commission National Population Commission, ICF International, 2013 | 1799 | 2013 |
| COVID-19 vaccine hesitancy in Africa: a scoping review BBB Ackah, M Woo, L Stallwood, ZA Fazal, A Okpani, UV Ukah, PA Adu Global Health Research and Policy 7 (1), 21, 2022 | 185 | 2022 |
| Operationalizing universal health coverage in Nigeria through social health insurance AI Okpani, S Abimbola Nigerian Medical Journal 56 (5), 305-310, 2015 | 137 | 2015 |
| When technology precedes regulation: the challenges and opportunities of e-pharmacy in low-income and middle-income countries R Miller, F Wafula, CA Onoka, P Saligram, A Musiega, D Ogira, I Okpani, ... BMJ global health 6 (5), e005405, 2021 | 51 | 2021 |
| Data for decision making: using a dashboard to strengthen routine immunisation in Nigeria S Etamesor, C Ottih, IN Salihu, AI Okpani BMJ Global Health 3 (5), e000807, 2018 | 45 | 2018 |
| The direct and indirect impact of COVID-19 pandemic on maternal and child health services in Africa: a scoping review PA Adu, L Stallwood, SO Adebola, T Abah, AI Okpani Global Health Research and Policy 7 (1), 20, 2022 | 43 | 2022 |
| Infection control, occupational and public health measures including mRNA-based vaccination against SARS-CoV-2 infections to protect healthcare workers from variants of concern … A Yassi, JM Grant, K Lockhart, S Barker, S Sprague, AI Okpani, T Wong, ... PLoS One 16 (7), e0254920, 2021 | 41 | 2021 |
| The midwives service scheme: a qualitative comparison of contextual determinants of the performance of two states in central Nigeria AI Okpani, S Abimbola Global health research and policy 1, 1-11, 2016 | 23 | 2016 |
| Masking strategy to protect healthcare workers from COVID-19: An umbrella meta-analysis Y Lu, AI Okpani, CB McLeod, JM Grant, A Yassi Infection, Disease & Health 28 (3), 226-238, 2023 | 11 | 2023 |
| vaccine hesitancy in Africa: A scoping review., 2022, 7 BBB Ackah, M Woo, L Stallwood, ZA Fazal, A Okpani, UV Ukah, ... DOI: https://doi. org/10.1186/s41256-022-00255-1, 21, 19 | 8 | 19 |
| COVID-19 infection and vaccination rates in healthcare workers in British Columbia, Canada: A Longitudinal Urban versus Rural Analysis of the Impact of the Vaccine Mandate A Yassi, S Barker, K Lockhart, D Taylor, D Harris, H Hundal, JM Grant, ... MedRxiv, 2022.01. 13.22269078, 2022 | 7 | 2022 |
| Protecting healthcare workers during a pandemic: what can a WHO collaborating centre research partnership contribute? JM Spiegel, M Zungu, A Yassi, K Lockhart, KS Wilson, AI Okpani, D Jones, ... Revista Panamericana de Salud Pública 47, e33, 2023 | 5 | 2023 |
| Healthcare clinic and pharmacy chains in Kenya and Nigeria: A qualitative exploration of the opportunities and risks they present for healthcare regulatory systems F Wafula, C Onoka, A Musiega, A Okpani, D Ogira, U Ejughemre, R Miller, ... The International Journal of Health Planning and Management 37 (6), 3329-3343, 2022 | 5 | 2022 |
| A mixed-methods study of risk factors and experiences of health care workers tested for the novel coronavirus in Canada AI Okpani, S Barker, K Lockhart, J Grant, JA Delgado-Ron, M Zungu, ... Journal of occupational and environmental medicine 64 (9), e559-e566, 2022 | 5 | 2022 |
| COVID-19 vaccine hesitancy in Africa: A scoping review. Glob Health Res Policy. 2022; 7 (1): 21 BBB Ackah, M Woo, L Stallwood, ZA Fazal, A Okpani, UV Ukah | 5 | |
| Are COVID-19 vaccination mandates for healthcare workers effective? A systematic review of the impact of mandates on increasing vaccination, alleviating staff shortages and … AI Okpani, P Adu, T Paetkau, K Lockhart, A Yassi Vaccine, 2024 | 4 | 2024 |
| Healthcare worker risk of COVID-19: A 20-month analysis of protective measures from vaccination and beyond A Yassi, S Barker, K Lockhart, JM Grant, AI Okpani, S Sprague, M Zungu, ... medRxiv, 2021.12. 02.21267190, 2021 | 4 | 2021 |
| Did the health care vaccine mandate work? An evaluation of the impact of the COVID-19 vaccine mandate on vaccine uptake and infection risk in a large cohort of Canadian health … AI Okpani, K Lockhart, S Barker, JM Grant, A Yassi American Journal of Infection Control, 2024 | 3 | 2024 |
| Epidemiological insights into neonatal deaths: The role of cooking fuel pollution in Colombia F Andrade-Rivas, AI Okpani, DI Lucumí, MD Castillo, ME Karim International Journal of Hygiene and Environmental Health 261, 114429, 2024 | 2 | 2024 |
| Vaccination, time lost from work, and COVID-19 infections: a Canadian healthcare worker retrospective cohort study AI Okpani, K Lockhart, JM Grant, S Barker, JA Srigley, A Yassi Frontiers in Public Health 11, 1214093, 2023 | 2 | 2023 |
Seye AbimbolaSchool of Public Health, University of Sydney, Australia and National Primary Health Care Development Agency, NigeriaVerified email at uni.sydney.edu.au