Table 1.

Document review and sources of data

Component extracted	Source
Coordination mechanisms	COVID-19 response strategies, plans, regulations, press releases, government websites, other websites, grey and peer-reviewed literature
Average life expectancy	United Nations Development Programme (UNDP) (http://hdr.undp.org/en/countries) [41]
GDP per capita	The World Bank Database (https://data.worldbank.org/) [42]
Income categorisation	The World Bank Database (https://data.worldbank.org/) [42]
Human development index	United Nations Development Programme (UNDP) (http://hdr.undp.org/en/countries) [41]
Percentage population in the Urban region	United Nations Development Programme (UNDP) (http://hdr.undp.org/en/countries) [41]
Global Health Security Index	Global Health Security Index (GHSI) (https://www.ghsindex.org/) [40]
Current health expenditure (% of GDP)	Zhang et al. [43]
Infectious disease resilience index	Zhang et al. [43]
Attack rate	WHO COVID-19 dashboard [44]
Length of the wave	WHO COVID-19 dashboard [44]