Surveillance

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This retrospective review describes the epidemiology, clinical, and laboratory features of patients with COVID-19 hospitalized at a children’s hospital in NYC. The authors reviewed all electronic medical records from hospitalized children and adolescents (≤21 years) who were tested based on Read More
This report describes nonpharmaceutical interventions (NPIs) that limited COVID-19 incidence among basic trainees in Texas. Substantial COVID-19 transmission has been documented in some congregate living settings. This report examines the first 7 weeks (March 1–April 18) of implementation of NPIs Read More
This CDC report quantifies the effect of COVID-19 on U.S. emergency department (ED) visits using data from the National Syndromic Surveillance Program (NSSP), which collects electronic health data in real time. The authors compared the volume of ED visits during Read More
There are ongoing concerns about the accuracy of COVID-19 case counts due to issues such as lack of access to testing and difficulty in measuring recoveries. This retrospective study applied machine learning, infoveillance techniques to detect and characterize user-generated conversations Read More
It is urgent to understand the future of severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) transmission. This study used estimates of seasonality, immunity, and cross-immunity for human coronavirus OC43 (HCoV-OC43) and HCoV-HKU1 using time-series data from the United States to inform Read More
This study reports on hospitalization and mortality among black and white patients with COVID-19. Using retrospective cohort data from Louisiana, the authors found an excess risk of hospitalization for COVID-19 among black patients versus white patients, which was not explained Read More
This Viewpoint compares manual and digital strategies for coronavirus disease 2019 (COVID-19) contact tracing, describes how countries in Asia and Europe have used smartphone tracking, and discusses privacy and discrimination concerns and strategies for balancing public health and civil liberties Read More
This study describes the prevalence of positive SARS-CoV-2 test results among asymptomatic pregnant women presenting for labor and delivery at Yale New Haven health system hospitals. Findings suggest a low (<3%) prevalence of positive SARS-CoV-2 test results among asymptomatic patients Read More
This report describes how universal, serial reverse transcription-polymerase chain reaction testing of residents in a long-term care skilled nursing facility in Los Angeles, California, helped to interrupt transmission of coronavirus disease 2019 in the facility. On March 28, 2020, two Read More
This observational cohort study sought to determine mortality rates among adults with critical illness from coronavirus disease 2019. The authors examined 217 critically ill patients with confirmed severe acute respiratory syndrome-CoV-2 disease who were admitted to any of 6 COVID-designated Read More

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