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Table 1 Percentage of realizations leading to an attack rate higher than 10 % , for different mitigation strategies and for various closure-triggering thresholds and closure durations

From: Mitigation of infectious disease at school: targeted class closure vs school closure

Closure strategy Targeted Targeted Whole
(threshold, duration) class grade school
No closure 34.6 34.6 34.6
3, 24 h 30.5 29.7 26.0
3, 48 h 28.1 23.5 23.2
3, 72 h 23.4 18.4 14.8
3, 96 h 23.5 20.3 13.0
3, 120 h 20.1 17.3 7.5
3, 144 h 19.7 16.3 5.6
2, 24 h 28.6 27.0 22.9
2, 48 h 22.0 21.6 17.8
2, 72 h 17.4 16.2 14.4
2, 96 h 13.6 11.2 11.0
2, 120 h 10.2 7.2 3.2
2, 144 h 11.6 6.8 1.6
  1. The baseline case given by the simple isolation of symptomatic children is indicated as “No closure”. Parameter values: β = 3.5 · 10-4 s -1, β com = 2.8 · 10-9 s -1, 1/ μ = 2 days, 1/ γ = 4 days, p A = 1/3.