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Rotation-based schedules in elementary schools to prevent COVID-19 spread: a simulation study.

Cyril Brom1, Tomáš Diviák2,3, Jakub Drbohlav2

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This summary is machine-generated.

Weekly school rotations and regular testing significantly reduce COVID-19 spread. This non-pharmacological intervention keeps schools open during epidemics by lowering infections by up to 81%.

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Area of Science:

  • Epidemiology and Public Health
  • Computational Modeling
  • Infectious Disease Dynamics

Background:

  • COVID-19 pandemic necessitated non-pharmacological interventions in educational settings.
  • Understanding transmission dynamics within schools is crucial for effective control strategies.

Purpose of the Study:

  • To investigate the impact of different rotation and testing schedules as non-pharmacological interventions for COVID-19 in schools.
  • To model the spread of COVID-19 within a school environment using agent-based and SEIR models.

Main Methods:

  • Developed an agent-based model simulating interactions among 624 schoolchildren and 55 teachers in an elementary school.
  • Utilized a modified SEIR model on a multi-graph structure representing social contacts (classroom, cafeteria, etc.).
  • Calibrated model parameters using data from the Czech Republic's spring 2020 COVID-19 outbreak.

Main Results:

  • Weekly rotations of in-class and distance learning reduced COVID-19 spread by 75-81%.
  • Antigen testing twice weekly or PCR testing weekly significantly reduced infections, even with lower sensitivity tests.
  • Teacher networks are denser, acting as bridges and contributing significantly to infections (8-18% depending on school level).

Conclusions:

  • Weekly school rotations combined with regular testing are highly effective non-pharmacological interventions against COVID-19 spread.
  • These strategies are vital for maintaining school operations during epidemics.
  • Social contact structures, particularly teacher networks, significantly influence disease transmission in schools.