The outbreak of the coronavirus disease 2019 (COVID-19), caused by the novel severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become an evolving global …

Diagnostics have proven to be crucial to the COVID-19 pandemic response. There are three
major methods for the detection of SARS-CoV-2 infection and their role has evolved during …

Importance Asymptomatic infections are potential sources of transmission for COVID-19.
Objective To evaluate the percentage of asymptomatic infections among individuals …

Background Data for front-line health-care workers and risk of COVID-19 are limited. We
sought to assess risk of COVID-19 among front-line health-care workers compared with the …

Significant differences exist in the availability of healthcare worker (HCW) SARS-CoV-2
testing between countries, and existing programmes focus on screening symptomatic rather …

Background The COVID-19 pandemic has focused attention on the challenges and risks
faced by frontline healthcare workers (HCW). Our aim is to describe the clinical outcomes …

Health care workers (HCW) are a high-risk population to acquire SARS-CoV-2 infection from
patients or other fellow HCW. This study aims at estimating the seroprevalence against …

The emergence of the SARS‐CoV‐2 strain of the human coronavirus has thrown the world
into the midst of a new pandemic. In the human body, the virus causes COVID‐19, a disease …

Health-care workers are crucial to any health-care system. During the ongoing COVID-19
pandemic, health-care workers are at a substantially increased risk of becoming infected …

A key goal to controlling coronavirus disease 2019 (COVID-19) is develo** an effective
vaccine. Development of a vaccine requires knowledge of what constitutes a protective …