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 …

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

Background: Risk factors for progression of coronavirus disease 2019 (COVID-19) to severe
disease or death are underexplored in US cohorts. Objective: To determine the factors on …

Importance The coronavirus disease 2019 (COVID-19) pandemic has severely affected
nursing homes. Vulnerable nursing home residents are at high risk for adverse outcomes …

Recent studies have reported that CRP levels are elevated in patients with COVID-19 and
may correlate with severity of disease and disease progression. We conducted a …

Importance Some patients are avoiding essential care for fear of contracting coronavirus
disease 2019 (COVID-19) in hospitals. There are few data, however, on the risk of acquiring …

Residents in long-term care facilities (LTCF) are a vulnerable population group. Coronavirus
disease (COVID-19)-related deaths in LTCF residents represent 30–60% of all COVID-19 …

Workplaces can be high-risk environments for SARS-CoV-2 outbreaks and subsequent
community transmission. Identifying, understanding, and implementing effective workplace …

Columbia exhibited a number of potential strengths relevant to pandemic preparedness
compared with Ontario: there was better coordination between long-term care, public health …