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Volume 29, Number 3—March 2023
Research

COVID-19 Test Allocation Strategy to Mitigate SARS-CoV-2 Infections across School Districts

Remy Pasco, Kaitlyn Johnson, Spencer J. Fox, Kelly A. Pierce, Maureen Johnson-León, Michael Lachmann, David P. Morton, and Lauren Ancel MeyersComments to Author 
Author affiliations: The University of Texas at Austin, Austin, Texas, USA (R. Pasco, K. Johnson, S.J. Fox, K.A. Pierce, M. Johnson-León, L.A. Meyers); Santa Fe Institute, Santa Fe, New Mexico, USA (M. Lachmann, L.A. Meyers); Northwestern University, Evanston, Illinois, USA (D.P. Morton)

Main Article

Figure 2

Projected days of school missed in a COVID-19 test allocation strategy to mitigate SARS-CoV-2 infections across 11 school districts in the Austin Independent School District, Austin, Texas, USA. The graphs demonstrate the expected proportion of school days missed due to isolation or quarantine over a 10-week period in a school with 500 students under 2 scenarios: A) assuming the household and classroom of each detected case is quarantined; or B) assuming only households (not entire classrooms) are quarantined. Estimates assume a moderate (reproduction number = 1.5) in-school transmission risk in the absence of proactive or symptomatic testing, isolation, and quarantine. All projections assume that isolation and quarantine periods last 14 days. In addition to on-campus transmission, persons might be exposed in the surrounding community at a rate of 35 new daily infections/100,000 population. The results are based on 300 stochastic simulations for each scenario.

Figure 2. Projected days of school missed in a COVID-19 test allocation strategy to mitigate SARS-CoV-2 infections across 11 school districts in the Austin Independent School District, Austin, Texas, USA. The graphs demonstrate the expected proportion of school days missed due to isolation or quarantine over a 10-week period in a school with 500 students under 2 scenarios: A) assuming the household and classroom of each detected case is quarantined; or B) assuming only households (not entire classrooms) are quarantined. Estimates assume a moderate (reproduction number = 1.5) in-school transmission risk in the absence of proactive or symptomatic testing, isolation, and quarantine. All projections assume that isolation and quarantine periods last 14 days. In addition to on-campus transmission, persons might be exposed in the surrounding community at a rate of 35 new daily infections/100,000 population. The results are based on 300 stochastic simulations for each scenario.

Main Article

Page created: December 31, 2022
Page updated: February 19, 2023
Page reviewed: February 19, 2023
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