2.1 Dataset
The World Health Organization (WHO), Johns Hopkins University
researchers, and other agencies all maintain dataset on the number of
cases, deaths, and disease recoveries. All data obtained in this
research work is from Johns Hopkins University and is freely accessible
via the GitHub repository. The dataset covered the period from 22
January 2020 to 17 April 2020 which includes time-series and aggregated
data (https://github.com/CSSEGISandData/COVID-19, 2020).