In the COVID-19 pandemic era, antibody testing against severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) has proven an invaluable tool and herein we highlight some of …

Although the coronavirus disease 2019 (COVID-19) pandemic has reached all over the
world population, it has demonstrated a heterogeneous impact on different populations. The …

Background During the COVID-19 pandemic, the Danish National Institute for Infectious
Disease, Statens Serum Institute (SSI) developed a home-based SARS-CoV-2 surveillance …

ABSTRACT “Testing Denmark” is a national, large-scale, epidemiological surveillance study
of SARS-CoV-2 in the Danish population. Between September and October 2020 …

Background Denmark was one of the few countries that experienced an increase in life
expectancy in 2020, and one of the few to see a decrease in 2021. Because COVID-19 …

Abstract Background Factors influencing SARS‐CoV‐2 antibody dynamics, transmission,
waning and long COVID‐19 symptomatology are still not fully understood. Methods In the …

The Danish post-war housing areas originally epitomised the dawn of the welfare state, with
modern housing blocks organised as enclaves surrounded by open green spaces …

Background During the initial wave of the COVID-19 pandemic, there was a surprisingly low
incidence of SARS-CoV-2 among People Who Use Drugs (PWUD) in Oslo, Norway, despite …

Background Seroprevalence studies can be used to measure the progression of national
COVID-19 epidemics. The Danish National Seroprevalence Survey of SARS-CoV-2 …

Identification of societal activities associated with SARS-CoV-2 infection may provide an
evidence base for implementing preventive measures. Here, we investigated potential …