The spread of the COVID-19 pandemic was spatially heterogeneous around the world; the
transmission of the disease is driven by complex spatial and temporal variations in …

Mapping of spatial hotspots, ie, regions with significantly higher rates of generating cases of
certain events (eg, disease or crime cases), is an important task in diverse societal domains …

Objective To assess the diagnostic test accuracy of two rapid antigen tests in asymptomatic
and presymptomatic close contacts of people with SARS-CoV-2 infection on day 5 after …

Following the Swiss Federal Office of Public Health (FOPH) authorization of the rapid
antigen test (RAT), we implemented the use of the RAT in the emergency ward of our …

Genome sequences from evolving infectious pathogens allow quantification of case
introductions and local transmission dynamics. We sequenced 11,357 severe acute …

The identification of high-risk areas for infectious disease transmission and its built-
environment features are crucial for targeted surveillance and early prevention efforts. While …

Background The pandemic has impacted both patients infected by the SARS-CoV-2 virus
and patients who seek emergency assistance due to other health issues. Changes in …

The infectiousness of infected individuals is known to depend on the time since the
individual was infected, called the age of infection. Here, we study the parameter …

The COVID-19 pandemic represents a worldwide threat to health. Since its onset in 2019,
the pandemic has proceeded in different phases, which have been shaped by a complex set …

This study evaluates a population-based screening of asymptomatic people, using a rapid
antigen diagnostic test (RADT), in areas of high transmission. To detect sources of SARS …