1. Centers for Disease Control , Covid-19 forecasts: Cumulative deaths. https://www.cdc.gov/coronavirus/2019-ncov/covid-data/forecasting-us.html. Accessed 12 August 2020.
2. N. Ferguson , “Impact of non-pharmaceutical interventions (NPIs) to reduce Covid19 mortality and healthcare demand” (Rep. 9, Imperial College, London, UK, 2020).
3. The epidemiological characteristics of an outbreak of 2019 novel coronavirus diseases (covid-19)—China;China CDC Weekly,2020
4. Institut National d’Etudes Démographiques , The demographics of Covid-19 deaths. https://dc-covid.site.ined.fr/en/. Accessed 23 May 2020.
5. Inequality in Life Spans and a New Perspective on Mortality Convergence Across Industrialized Countries