Volume 12, Number 11—November 2006
Research
Targeted Social Distancing Designs for Pandemic Influenza
Table 2
Strategy | Averages for all simulations | Averages for simulations with epidemics | |||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. simulations | Total infected | Total time (d) | Peak infected | Time to peak (d) | No. epidemics | Total infected | Total time (d) | Peak infected | Time to peak (d) | ||||||||||||||||||||||||||||
Case 1: Base case pandemic influenza | |||||||||||||||||||||||||||||||||||||
Average | 1,000 | 4,908 | 81 | 688 | 35 | 978 | 5,018 | 82 | 703 | 36 | |||||||||||||||||||||||||||
SD | 748 | 14 | 121 | 8 | 153 | 11 | 66 | 6 | |||||||||||||||||||||||||||||
Case 2: Schools closed after 10 symptomatic cases, compliance 90% | |||||||||||||||||||||||||||||||||||||
Average | 100 | 3,877 | 113 | 326 | 48 | 99 | 3,916 | 114 | 329 | 48 | |||||||||||||||||||||||||||
SD | 468 | 22 | 64 | 13 | 259 | 19 | 56 | 12 | |||||||||||||||||||||||||||||
% reduction from base case | 21 | -40 | 53 | -36 | 22 | -39 | 53 | -34 | |||||||||||||||||||||||||||||
Case 3: Schools closed after 10 symptomatic cases, nonschool contacts doubled, compliance 90% | |||||||||||||||||||||||||||||||||||||
Average | 100 | 5,604 | 76 | 850 | 34 | 95 | 5,898 | 79 | 894 | 35 | |||||||||||||||||||||||||||
SD | 1,293 | 18 | 206 | 9 | 122 | 10 | 72 | 6 | |||||||||||||||||||||||||||||
% reduction from base case | -14 | 6 | -24 | 4 | -18 | 4 | -27 | 2 | |||||||||||||||||||||||||||||
Case 4: Schools closed after 10 symptomatic cases, children and teenagers kept home, household contacts doubled, compliance 90% | |||||||||||||||||||||||||||||||||||||
Average | 100 | 341 | 60 | 43 | 16 | 93 | 361 | 62 | 45 | 17 | |||||||||||||||||||||||||||
SD | 209 | 25 | 20 | 12 | 203 | 24 | 19 | 12 | |||||||||||||||||||||||||||||
% reduction from base case | 93 | 26 | 94 | 53 | 93 | 25 | 94 | 52 | |||||||||||||||||||||||||||||
Case 5: Schools closed after 10 symptomatic cases, children and teenagers kept home, household contacts doubled, compliance 50% | |||||||||||||||||||||||||||||||||||||
Average | 100 | 1,551 | 135 | 90 | 47 | 95 | 1,630 | 141 | 94 | 49 | |||||||||||||||||||||||||||
SD | 692 | 49 | 40 | 31 | 614 | 42 | 37 | 30 | |||||||||||||||||||||||||||||
% reduction from base case | 68 | -67 | 87 | -33 | 68 | -72 | 87 | -36 | |||||||||||||||||||||||||||||
Case 6: Schools closed after 10 symptomatic cases, children kept home, household contacts doubled, compliance 90% | |||||||||||||||||||||||||||||||||||||
Average | 100 | 2,539 | 116 | 199 | 49 | 96 | 2,642 | 120 | 206 | 51 | |||||||||||||||||||||||||||
SD | 661 | 30 | 66 | 17 | 433 | 23 | 56 | 14 | |||||||||||||||||||||||||||||
% reduction from base case | 48 | -44 | 71 | -38 | 47 | -46 | 71 | -40 | |||||||||||||||||||||||||||||
Case 7: All with symptomatic cases stay at home, compliance 90% | |||||||||||||||||||||||||||||||||||||
Average | 100 | 3,692 | 91 | 408 | 41 | 94 | 3,926 | 95 | 433 | 43 | |||||||||||||||||||||||||||
SD | 1,031 | 25 | 130 | 14 | 458 | 17 | 85 | 10 | |||||||||||||||||||||||||||||
% reduction from base case | 25 | -12 | 41 | -16 | 22 | -16 | 38 | -20
*Cases 2–7 are targeted social distancing strategies. Negative percent reductions reflect percent increases. Epidemics are defined as >100 infected. SD, standard deviation. |
*Cases 2–7 are targeted social distancing strategies. Negative percent reductions reflect percent increases. Epidemics are defined as >100 infected. SD, standard deviation.
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Page updated: October 14, 2011
Page reviewed: October 14, 2011
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