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Topic: Non-Pharmaceutical Interventions
April 5, 2021
Factors Associated with Nonessential Workplace Attendance during the Covid-19 Pandemic in the UK in Early 2021 Evidence from Cross-Sectional Surveys
[Pre-print, not peer-reviewed] Among 1,422 people in the UK who reported they could work completely from home between January and February 2021, 26.8% of respondents reported attending their workplace at least once in the preceding week. Independent factors associated with non-essential workplace attendance included male gender (OR = 1.9), dependent children in the household (OR…
April 1, 2021
Association Between Risk Factors for Complications From COVID-19, Perceived Chances of Infection and Complications, and Protective Behavior in the US
US adults with more medical risk factors associated with COVID-19 adverse outcomes perceived they had a higher chance of hospitalization or death if they were infected compared to those without risk factors in a nationally representative cross-sectional study conducted from November to December 2020 (n=5,910). Respondents with 3 or more medical risk factors perceived a…
Association Between Actual and Perceived U.S. COVID-19 Policies and Preventive Behavior
Perception about the existence of state mask mandate was 91% accurate in states with a mandate but only 46% accurate in states without one, according to a nationally representative cross-sectional survey (n=1,073) conducted in July 2020. The survey also measured participants’ mask-wearing and physical distancing behaviors and found that perceived existence of a mask mandate…
March 30, 2021
COVID-19 Response Strategies at Large Institutes of Higher Education in the United States: A Landscape Analysis, Fall 2020
93% of the 50 largest public and 50 largest private US institutions of higher education offered some in-person teaching for the Fall 2020 semester, according to a landscape analysis of the COVID-19 response strategies. Among those offering some in-person teaching, 71% offered a hybrid reopening structure (≥25% students on campus). Among the 93 of institutions…
March 29, 2021
Evaluating the Effects of Shelter-in-Place Policies during the COVID-19 Pandemic
A study of shelter-in-place (SIP) policies during the first wave of the COVID-19 pandemic (February 24 – May 30, 2020) in the US did not find the SIP policies impacted disease spread or deaths, but did impact mobility and unemployment. The authors note that SIP policies may not have made meaningfully impacts on behaviors beyond…
March 25, 2021
Risk for Fomite-Mediated Transmission of SARS-CoV-2 in Child Daycares, Schools, Nursing Homes, and Offices
A transmission model suggests that hourly cleaning and disinfection alone could interrupt fomite transmission of SARS-CoV-2 in some office settings, but would not be sufficient for child daycares and schools and should be combined with measures to reduce viral shedding such as mask wearing. Model estimates show that sustained transmission may be possible based on…
In-Person Schooling and COVID-19 Transmission in Canada’s Three Largest Cities
[Pre-print, not peer-reviewed] Mandatory in-person instruction without universal mask mandates may contribute to increased community transmission of SARS-CoV-2, according to a comparative case study that examined weekly incidence among children ages 0-19 years in Canada’s three largest cities from August 2020 to January 2021. The highest incidence among children ages 0-19 years by the end…
March 23, 2021
Details of COVID-19 Disease Mitigation Strategies in 17 K-12 Schools in Wood County Wisconsin
[Pre-print, not peer-reviewed] Minimal in-school transmission of COVID-19 occurred despite low adherence to mitigation measures and minimal improvements in ventilation systems between August and November 2020 in Wood County, Wisconsin. According to surveys distributed to the administrations of participating schools, 89% of elementary students did not maintain 6 feet of physical distancing in the classroom,…
March 17, 2021
An Integrated Analysis of Contact Tracing and Genomics to Assess the Efficacy of Travel Restrictions on SARS-CoV-2 Introduction and Transmission in England from June to September 2020
[Pre-print, not peer-reviewed] A study of the genomic epidemiology of travel-associated SARS-CoV-2 determined that 51% of imported cases in England were related to travel to one of three countries: Greece (21%), Croatia (16%), and Spain (14%). 4,207 cases were of travel-associated SARS-CoV-2 were identified by contact tracing and defined as those that had travelled within…
March 16, 2021
Social Distancing Compliance: A Video Observational Analysis
Closed Circuit Television (CCTV) footage in inner-city Amsterdam, Netherlands showed short-lived adherence to physical distancing measures following implementation of “lockdown” policies. From February to May 2020, the observed number of physical distancing violations (less than 1.5 meters) decreased following announcements of physical distancing measures and full lockdown on March 23rd, but then increased onwards from…
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