Pandemic preparedness and COVID-19: an exploratory analysis of infection and fatality rates, and contextual factors associated with preparedness in 177 countries, from Jan 1, 2020, to Sept 30, 2021 - Bollyky, Thomas J; Hulland, Erin N; Barber, Ryan M; Collins, James K; Kiernan, Samantha; Moses, Mark; Pigott, David M; Reiner Junior, Robert C; Sorensen, Reed J. D; Lotufo, Paulo Andrade (Lancet, 2022)