Estimating the size of the coronavirus disease 2019 (COVID-19) pandemic and the infection
severity of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is made …

This paper assesses the age specificity of the infection fatality rate (IFR) for COVID-19. Our
benchmark meta-regression synthesizes the age-specific IFRs from four recent large-scale …

A COVID 19, doença causada pelo vírus SARS-CoV-2, afetou todos os aspectos da vida
humana, desorganizando os sistemas de atenção à saúde do mundo inteiro e provocando …

Abstract Background Worldwide, Peru has one of the highest infection fatality rates of COVID-
19, and its capital city, Lima, accumulates roughly 50% of diagnosed cases. Despite …

Objective There has been no province-level data on the number of coronavirus disease
2019 (COVID-19)-related deaths in Iran since the start of the pandemic. This study was …

Covid-19: Is Manaus the final nail in the coffin for natural herd immunity? Page 1 Covid-19: Is
Manaus the final nail in the coffin for natural herd immunity? Many thought a second wave was …

Since the beginning of the COVID-19 pandemic, counting infected people has
underestimated asymptomatic cases. This literature scoping review assessed the …

ABSTRACT OBJECTIVE: To estimate the seroprevalence of SARS-CoV-2 in the state of
Maranhão, Brazil. METHODS: A population-based household survey was performed, from …

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to
cause very high morbidity and mortality throughout Latin American countries. However, few …

Background COVID-19 pandemic has a devastating impact on the economies and health
care system of sub-Saharan Africa. Healthcare workers (HWs), the main actors of the health …