Why did COVID-19 hit some countries harder than others? While this question is usually
answered based on demographics (eg, population age), health policy (eg, quarantine), or …

Infections and deaths associated with COVID-19 show a high degree of heterogeneity
across different populations. A thorough understanding of population-level predictors of …

Do geographic differences in collectivism relate to COVID-19 case and death rates? And if
so, would they also replicate across states within arguably the most individualistic country in …

In the first wave of the pandemic, places where geographic mobility declined more rapidly
saw fewer cases of COVID-19. And yet, there is significant variation in people's compliance …

Researchers have begun exploring the impact of societal culture on Covid-19 outcomes
(morbidity and mortality). However, emerging findings need integration with prior literature …

Background The global COVID-19 pandemic has been characterized by marked variations
in prevalence, mortality and case fatality across nations. The available evidence to date …

Background The COVID-19 pandemic poses an unprecedented and cascading threat to the
health and economic prosperity of the world's population. Objectives To understand whether …

Since its outbreak, COVID-19 has impacted world regions differentially. Whereas some
regions still record tens of thousands of new infections daily, other regions have contained …

Background The COVID-19 pandemic is a global health crisis, yet certain countries have
had far more success in limiting COVID-19 cases and deaths. We suggest that collective …

Although the novel coronavirus that has resulted in more than 3 million deaths and 140
million cases of infection worldwide has wreaked havoc globally, some nations were more …