Following its emergence in late 2019, the spread of SARS-CoV-2, has been tracked by
phylogenetic analysis of viral genome sequences in unprecedented detail,–. Although the …

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 …

Several studies have shown that SARS-CoV-2 BA. 1 omicron is an immune escape variant.
Meanwhile, however, omicron BA. 2 and BA. 5 became dominant in many countries and …

Background A year following the onset of the COVID-19 pandemic, new infections and
deaths continue to increase in Europe. Serological studies, through providing evidence of …

Objectives To evaluate the restart of the German Bundesliga (football (soccer)) during the
COVID-19 pandemic from a medical perspective. Methods Participants were male …

Neutralizing antibodies are a major correlate of protection for many viruses including the
novel coronavirus SARS-CoV-2. Thus, vaccine candidates should potently induce …

Sparse data exist on the complex natural immunity to SARS-CoV-2 at the population level.
We applied a well-validated multiplex serology test in 5000 participants of a general …

Background The role of schools in the SARS-CoV-2 pandemic is much debated. We aimed
to quantify reliably the prevalence of SARS-CoV-2 infections at schools detected with …

The kinetics of immunoglobulin G (IgG) avidity maturation during severe acute respiratory
syndrome coronavirus-2 (SARS-CoV-2) infection obtained from 217 participants of the Ischgl …

Background Quantifying excess deaths and their impact on life expectancy at birth (e 0)
provide a more comprehensive understanding of the burden of coronavirus disease of 2019 …