G. . Jombo, P. Osho, A. Onoja, A. Joseph, and S. Nwadioha, “COVID-19 Disease Pandemic in the 21st Century: As Africa Braces up for the Disease What Needs to be known”, Wes J Med Biomed Sci, vol. 1, no. 1, pp. 25–34, Jun. 2020.