Abu, E., Oloruntoba, R., Osuagwu, U., Bhattarai, D., Miner, C., Goson, P., Langsi, R., Nwaeze, O., Chikasirimobi, T., Ovenseri-Ogbomo, G., Ekpenyong, B., Charwe, D., Mashige, K., Ishaya, T. & Agho, K. 2021, 'Risk perception of COVID-19 among sub-Sahara Africans: a web-based comparative survey of local and diaspora residents', BMC Public Health, 21, article no: 1562. https://doi.org/10.1186/s12889-021-11600-3