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Table 3 Number of lost school days for the various closure strategies

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

Closure strategy (Threshold, duration) Targeted class Targeted grade Whole school
No closure 0 0 0
3, 24 h 2.14 (3.27) [0-9] 2.34 (3.58) [0-10] 2.50 (4.33) [0-10]
3, 48 h 3.04 (4.83) [0-13] 3.00 (5.12) [0-14] 4.42 (7.26) [0-20]
3, 72 h 3.01 (5.17) [0-15] 3.21 (5.44) [0-16] 5.38 (8.13) [0-20]
3, 96 h 4.49 (7.62) [0-22] 4.93 (8.21) [0-24] 8.10 (11.5) [0-30]
3, 120 h 4.50 (8.41) [0-26] 5.20 (9.06) [0-28] 9.38 (13.4) [0-40]
3, 144 h 4.67 (8.72) [0-27] 5.33 (9.41) [0-28] 9.60 (13.7) [0-40]
2, 24 h 2.18 (3.36) [0-9] 2.31 (3.46) [0-10] 3.38 (4.73) [0-10]
2, 48 h 2.42 (4.37) [0-13] 3.05 (4.77) [0-14] 4.60 (7.16) [0-20]
2, 72 h 2.57 (4.77) [0-15] 3.44 (5.45) [0-16] 7.12 (8.54) [0-20]
2, 96 h 3.14 (6.11) [0-20] 3.92 (6.80) [0-22] 8.64 (11.2) [0-30]
2, 120 h 3.55 (6.37) [0-18] 4.38 (7.68) [0-22] 9.32 (12.4) [0-30]
2, 144 h 4.32 (7.38) [0-22] 4.63 (7.61) [0-22] 11.54 (13.7) [0-40]
  1. The baseline case in which no class is closed (“No closure”) has a zero cost in terms of lost school days. Standard deviations are given in parentheses and 5th and 95th percentiles in square brackets. Parameter values: β = 3.5 · 10-4 s -1, β com = 2.8 · 10-9 s -1, 1/ μ = 2 day, 1/ γ = 4 days, p A = 1/3.