1. New World Health Organization estimates: up to 190000 people could die of COVID-19 in Africa if not controlled, 2020, (https://www.afro.who.int/news/new-who-estimates-190-000-people-could-die-covid-19-africa-if-not-controlled).
2. Coronavirus, 2021, (https://www.who.int/health-topics/coronavirus).
3. World Health Organization Coronavirus Disease (COVID-19) Dashboard, 2021, (https://covid19.who.int/).
4. Africa CDC Dashboard, 2021, (https://africacdc.org/covid-19/).
5. A study of covid-19 data from african countries;Assamagan;International Journal of Public Health and Epidemiology,2021