1. Douglas, M., Katikireddi, S. V., Taulbut, M., McKee, M. & McCartney, G. Mitigating the wider health effects of COVID-19 pandemic response. BMJ 369, m1557 (2020).
2. Pearce, N., Lawlor, D. A. & Brickley, E. B. Comparisons between countries are essential for the control of COVID-19. Int. J. Epidemiol. https://doi.org/10.1093/ije/20.4.1093 (2020).
3. Merrick, R. Coronavirus: Boris Johnson’s claim it is ‘too early’ to draw global death toll comparisons mocked by Keir Starmer. The Independent https://www.independent.co.uk/news/uk/politics/coronavirus-daily-briefings-boris-johnson-keir-starmer-cases-deaths-comparison-a9511931.html (2020).
4. World Health Organization. Global Health Estimates: Deaths by Cause, Age, Sex and Country, 2000–2016 (World Health Organization, 2018).
5. Fuller, T. & Baker, M. Coronavirus death in California came weeks before first known U.S. death. The New York Times https://www.nytimes.com/2020/04/22/us/coronavirus-first-united-states-death.html (2020).