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).