1. World Health Organization|Novel Coronavirus–China. WHO. Archived from the original on 23 January 2020. Retrieved 1 February 2020.
2. Worldometers.info. COVID Live—Worldometer (2021). https://www.worldometers.info/coronavirus/
3. WHO. (2020). A Coordinated Global Research Roadmap. https://www.who.int/publications/m/item/a-coordinated-global-research-roadmap
4. WHO. COVID-19 Research and Innovation Achievements. (2021). https://www.who.int/publications/m/item/covid-19-research-and-innovation-achievements
5. J.A.L. Marques, F.N.B. Gois, J. Xavier-Neto, S.J. Fong, Predictive Models for Decision Support in the COVID-19 Crisis (2021). https://doi.org/10.1007/978-3-030-61913-8