with 1–2 weeks later arrival and no detectable reduction in final mortality. The case for permanent limits on international …

We identify 19 predetermined country-level factors significantly related to weekly COVID-19 morbidity and mortality …, which reduce morbidity and mortality, include temperature, the education level, religious diversity, media freedom, female … that the top five determinants, which collectively explain approximately 70% of the cross-country variation in morbidity …