To improve recognition of coronavirus disease (COVID-19) and inform clinical and public
health guidance, we randomly selected 600 COVID-19 case-patients in Colorado. A …

Background Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is a novel
pathogen causing the current worldwide coronavirus disease 2019 (COVID-19) pandemic …

Fever, cough, or shortness of breath were commonly reported among a convenience sample
of US COVID-19 patients with symptom onset during January–April and a range of illness …

Background Few robust longitudinal data on long-term coronavirus disease 2019 (COVID-
19) symptoms are available. We evaluated symptom onset, severity and recovery across the …

Abstract Background Washington State served as the initial epicenter of the severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic in the United States. An …

Background The ISARIC prospective multinational observational study is the largest cohort
of hospitalized patients with COVID-19. We present relationships of age, sex, and nationality …

Background Prior studies examining symptoms of COVID-19 are primarily descriptive and
measured among hospitalized individuals. Understanding symptoms of SARS-CoV-2 …

Background COVID-19 studies are primarily from the inpatient setting, skewing towards
severe disease. Race and comorbidities predict hospitalization, however, ambulatory …

Background The aim of the study was to assess, characterize, and describe the prevalence
and predicting factors of patient-reported severe coronavirus disease 2019 (COVID-19) …

Background Outpatient coronavirus disease 2019 (COVID-19) has been insufficiently
characterized. To determine the progression of disease and determinants of hospitalization …