Abstracts Background By the end of July 2021 Zimbabwe, has reported over 100,000 SARS-
CoV-2 infections. The true number of SARS-CoV-2 infections is likely to be much higher. We …

Background In the 2nd year of the COVID-19 pandemic, knowledge about the dynamics of
the infection in the general population is still limited. Such information is essential for health …

The ongoing SARS-CoV-2 pandemic was initially managed by non-pharmaceutical
interventions such as diagnostic testing, isolation of positive cases, physical distancing and …

The extent of the COVID-19 pandemic will be better understood through serosurveys and
SARS-CoV-2 antibody testing. Dried blood spot (DBS) samples will play a central role in …

Serological surveillance studies of infectious diseases provide population-level estimates of
infection and antibody prevalence, generating crucial insight into population-level immunity …

Abstract Coronavirus disease 2019 (COVID-19) has continued to spread globally since late
2019, representing a formidable challenge to the world's healthcare systems, wreaking …

Introduction COVID-19 disease continues to be a global health concern. The current
protocol for detecting SARS-CoV-2 requires healthcare professionals to draw blood from …

ABSTRACT SARS-CoV-2 spreads pandemically since 2020; in 2021, effective vaccinations
became available and vaccination campaigns commenced. Still, it is hard to track the spread …

Antibody studies analyze immune responses to SARS-CoV-2 vaccination and infection,
which is crucial for selecting vaccination strategies. In the KoCo-Impf study, conducted …

The utilization of vaccines to fight the spread of SARS-CoV-2 has led to a growing need for
expansive serological testing. To address this, an EUA approved immunoassay for detection …