Health work force risk of exposure and factors associated with COVID-19 exposure in Addis Ababa, Ethiopia: A facility-based survey. Ethiopian Journal of Medical and Health Sciences, [S. l.], v. 1, n. 1, p. 20–31, 2021. DOI: 10.82127/wj23hy73. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/ejmhs/article/view/179.. Acesso em: 2 oct. 2025.