Determining the transmissibility, prevalence and patterns of movement of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) infections is central to our understanding …

Background There is disagreement about the level of asymptomatic severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infection. We conducted a living systematic review …

Objectives To compile current published reports on nosocomial outbreaks of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), evaluate the role of healthcare workers …

Background Debate about the level of asymptomatic Severe Acute Respiratory Syndrome
Coronavirus 2 (SARS-CoV-2) infection continues. The amount of evidence is increasing and …

Quantification of asymptomatic infections is fundamental for effective public health
responses to the COVID-19 pandemic. Discrepancies regarding the extent of …

Background: To address high COVID-19 burden in US nursing homes, rapid SARS-CoV-2
antigen tests have been widely distributed in those facilities. However, performance data are …

Background Starting in late 2019, COVID‐19, caused by the novel coronavirus SARS‐CoV‐
2, spread around the world. Long‐term care facilities are at particularly high risk of …

Executive summary The pandemic of the coronavirus disease 2019 (COVID-19), caused by
novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged amid …

Background Long-term care facilities (LTCFs) were high-risk settings for COVID-19
outbreaks. Objective To assess the impacts of the COVID-19 pandemic on LTCFs, including …

We reviewed all genomic epidemiology studies on COVID-19 in long-term care facilities
(LTCFs) that had been published to date. We found that staff and residents were usually …