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Table 4 Overall and age-specific pH1N1-attributable mortality for different vaccination scenarios for R 0 1.4 and an 8-week vaccine campaign length.

From: Vaccination against 2009 pandemic H1N1 in a population dynamical model of Vancouver, Canada: timing is everything

Vaccination start date Vaccination strategy Mortality per 100,000 population (% reduction vs. None)
   All ages 0-4 5-17 18-54 ≥55
None None 29.6 8.6 7.4 10.9 101.1
24-Aug AC 4.1 (86) 1.1 (87) 1.1 (85) 2.1 (81) 12.7 (87)
  UC 5.2 (82) 1.6 (81) 1.9 (74) 2.0 (81) 17.1 (83)
  PC 5.8 (80) 1.9 (78) 0.1 (99) 1.9 (83) 21.7 (79)
  PC+ 3.7 (87) 1.2 (86) 0.1 (99) 1.4 (87) 13.5 (87)
28-Sep AC 13.7 (54) 3.9 (54) 4.0 (46) 6.0 (46) 44.4 (56)
  UC 14.9 (50) 4.5 (48) 4.6 (37) 5.7 (48) 49.4 (51)
  PC 11.3 (62) 3.4 (60) 0.9 (88) 4.2 (62) 40.5 (60)
  PC+ 9.8 (67) 3.0 (65) 0.7 (90) 3.6 (67) 35.1 (65)
26-Oct AC 24.4 (18) 7.1 (18) 6.6 (10) 9.5 (13) 81.7 (19)
  UC 24.8 (16) 7.3 (15) 6.7 (8) 9.3 (15) 83.8 (17)
  PC 24.5 (17) 7.2 (16) 5.1 (31) 9.0 (18) 84.6 (16)
  PC+ 23.7 (20) 7.0 (19) 4.9 (33) 8.7 (20) 82.0 (19)
23-Nov AC 28.7 (3) 8.4 (3) 7.3 (1) 10.7 (2) 97.9 (3)
  UC 28.8 (3) 8.4 (2) 7.3 (1) 10.7 (2) 98.2 (3)
  PC 29.0 (2) 8.5 (2) 7.1 (4) 10.7 (2) 99.2 (2)
  PC+ 28.9 (2) 8.4 (2) 7.1 (4) 10.7 (3) 98.8 (2)
  1. Attack rate is defined here as the total number of infections. 'AC' indicates the actual vaccination coverage for pH1N1 in the GVRD, 'UC' the uniform coverage vaccination strategy, 'UC' the uniform coverage vaccination strategy, 'PC' the parents and children vaccination strategy, and 'PC+' the PC/actual sequence strategy