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Tag: non-pharm interventions
May 13, 2021
Guidance for Fully Vaccinated People
The CDC released updated guidance as of May 13, 2021 that fully vaccinated individuals (2 weeks after a single dose vaccine or 2 weeks after the second dose of a 2-dose vaccine) no longer need to wear face coverings or physically distance in most indoor and outdoor settings regardless of crowd size. Officials at the…
May 12, 2021
Resuming In-Person Classes under COVID-19 Evaluating Assigned Seating Protocols in Limiting Contacts at Postsecondary Institutions
[Pre-print, not peer-reviewed] Simulations of seating arrangements based on student enrollment data from the 2019-2020 academic year at the University of British Columbia found that assigned seating could reduce the mean number of contacts per student to 31 compared to 130 contacts per student with random seating. In combination with assigned seating, excluding large classes…
May 6, 2021
Revelations from the Clinic: Protective Behaviors and Perceptions among People at High Risk for Severe Illness from COVID-19
A survey conducted among residents in rural Michigan (n=150) found that those classified as being at high risk for COVID-19 did not respond significantly differently regarding their level of concern about the pandemic or protective behaviors compared to healthy controls. Among high-risk individuals, no significant differences were observed between those who acknowledged their status (n=73)…
May 4, 2021
Increasing Facemask Compliance among Healthcare Personnel during the COVID-19 Pandemic
In a quality improvement study, median weekly face mask compliance among healthcare personnel (HCP) in a tertiary care center in Connecticut was higher (93% vs 82%) after implementation of a multimodal intervention developed from semi-structured interviews of HCP. No difference in face mask compliance was observed between COVID-19 and non-COVID-19 units. The intervention consisted of…
May 3, 2021
Individually Optimal Choices Can Be Collectively Disastrous in COVID-19 Disease Control
A modeling study of noncompliance with measures aimed at limiting SARS-CoV-2 transmission found that a portion of the population that is noncompliant can result in extensive endemic disease in the long-term after a return to pre-pandemic activity. Using game theory to assess whether noncompliance is perceived as beneficial to individuals, the authors found that for…
Young Adults Underestimate How Well Peers Adhere to COVID-19 Preventive Behavioral Guidelines
Young adult college students at the University of Washington (n = 539) reported strong adherence to most CDC COVID-19 preventive behavioral guidelines, including mask-wearing in public (97.5%) and cleaning high-touch surfaces (61.7%), but perceived significantly lower adherence among their peers for all 14 behaviors assessed, according to a survey conducted in September 2020. Participants perceived…
April 30, 2021
Household COVID-19 Risk and in-Person Schooling
A large, national survey of US adults in all 50 states and Washington, DC (N=2,142,887) found an association between living with a child who attended in-person school and the risk of COVID-19-associated outcomes, including reporting COVID-like illness (OR=1.4) or testing positive for SARS-CoV-2 (OR=1.3), although this association did not persist when ≥7 in-school mitigation measures…
April 29, 2021
COVID-19 Among Workers in the Seafood Processing Industry: Implications for Prevention Measures — Alaska, March–October 2020
A review of COVID-19 cases and outbreaks in the Alaska fishing industry found that entry quarantine and testing might have reduced introduction of the virus to seafood processing facilities and vessels. A CDC field review found that among 132 non-outbreak associated cases of SARS-CoV-2 infection in seafood processing industry workers in Alaska from March to…
Public Compliance With Social Distancing Measures and SARS-CoV-2 Spread
Based on mobility data, public compliance with physical distancing mandates implemented in March 2020 was found to be initially high in 5 US states that accounted for half of all COVID-19 cases during the first wave of the pandemic. However, compliance began to decrease by mid-April 2020. Greater compliance, indicated by a higher social distancing…
April 22, 2021
When Can We Safely Return to Normal A Novel Method for Identifying Safe Levels of NPIs in the Context of COVID-19 Vaccinations
[Pre-print, not peer-reviewed] A transmission model with vaccination parameters calibrated to the state of Colorado suggests that complete relaxation of non-pharmaceutical interventions (NPIs) within the next year when vaccination uptake is ≤70% still risks exceeding hospitalization thresholds. The model also suggests that decisions to relax NPIs should account for regional heterogeneity in transmission and travel,…
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