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Table 4 Percentage of realizations leading to an attack rate higher than 10 % , for the different mitigation strategies with several 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

65.9

65.9

65.9

3, 24 h

65.0

62.4

64.1

3, 48 h

58.7

59.0

58.9

3, 72 h

58.0

57.4

53.7

3, 96 h

58.1

56.3

44.0

3, 120 h

56.4

51.2

38.9

3, 144 h

55.3

51.0

38.7

2, 24 h

65.7

59.0

60.7

2, 48 h

57.3

56.1

53.2

2, 72 h

49.7

49.5

45.3

2, 96 h

46.7

46.2

43.3

2, 120 h

44.0

37.7

35.9

2, 144 h

41.5

36.8

31.7

  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 = 1.4 · 10-8 s -1, 1/ μ = 2 days, 1/ γ = 4 days, p A = 1/3.