1. (2023, February 28). Center for Systems Science and Engineering (CSSE) at Johns Hopkins University (JHU) COVID-19 Dashboard. Available online: https://coronavirus.jhu.edu/map.html.
2. World Health Organization (2022, March 03). WHO Coronavirus Disease (COVID-19) Dashboard. Available online: https://covid19.who.int/.
3. COVID-19 Cumulative Infection Collaborators (2022). Estimating global, regional, and national daily and cumulative infections with SARS-CoV-2 through Nov 14, 2021: A statistical analysis. Lancet, 399, 2351–2380.
4. (2023, April 02). Our World in Data. Dashboard. Available online: https://ourworldindata.org/grapher/daily-new-estimated-infections-of-covid-19.
5. Health inequality among different economies during early phase of COVID-19 pandemic;Aung;J. Egypt. Public Health Assoc.,2021