From: Planning for the next influenza H1N1 season: a modelling study
 |  | Increased vaccine coverage (%) | |||||
---|---|---|---|---|---|---|---|
 |  | All ages | 0-18 yrs | ||||
Persistent protective cross-immunity (%) | No vaccination | 10 | 30 | 50 | 30 | 50 | 70 |
90 | 2.35 (0.66-2.85) 1.76 (0.48-2.49) 0.29 (0.12-0.36) 1.65 (0.51-2.31) | 1.42 (0.53-1.89) 1.11 (0.31-1.35) 0.16 (0.06-0.18) 1.02 (0.35-1.35) | 0.68 (0.26-0.88) 0.59 (0.20-0.72) 0.10 (0.00-0.12) 0.53 (0.23-0.66) | 0.30 (0.13-0.39) 0.26 (0.12-0.30) 0.05 (0.00-0.06) 0.23 (0.13-0.26) | 1.05 (0.39-1.58) 1.40 (0.33-1.86) 0.21 (0.06-0.30) 1.12 (0.34-1.44) | 0.65 (0.26-0.88) 1.21 (0.33-1.70) 0.14 (0.00-0.18) 0.91 (0.27-1.21) | 0.40 (0.13-0.57) 1.26 (0.31-1.94) 0.16 (0.06-0.24) 0.88 (0.24-1.32) |
70 | 14.0 (11.2-18.4) 10.3 (7.33-14.3) 2.65 (1.94-3.63) 9.91 (7.29-13.9) | 8.44 (2.68-13.8) 6.17 (1.66-10.4) 1.56 (0.55-2.48) 5.92 (1.71-9.82) | 3.51 (0.83-5.04) 2.81 (0.59-3.94) 0.66 (0.18-0.97) 2.61 (0.59-3.65) | 1.24 (0.48-1.62) 1.13 (0.30-1.20) 0.29 (0.06-0.36) 1.02 (0.32-1.18) | 6.20 (1.54-9.96) 6.05 (1.63-10.2) 1.45 (0.42-2.42) 5.32 (1.37-8.78) | 4.76 (1.36-7.11) 6.56 (1.45-10.2) 1.46 (0.42-2.18) 5.31 (1.31-8.39) | 2.73 (0.66-4.30) 4.61 (0.69-8.14) 1.06 (0.18-1.76) 3.60 (0.63-6.20) |
50 | 33.2 (30.9-36.3) 23.1 (20.7-25.8) 8.85 (7.70-10.1) 23.1 (20.7-25.2) | 29.4 (26.3-33.3) 21.3 (18.4-24.3) 7.99 (7.09-9.03) 20.9 (18.6-23.5) | 20.2 (18.1-25.4) 15.5 (12.0-20.4) 5.76 (4.73-7.27) 15.0 (12.4-19.2) | 14.0 (9.91-19.4) 11.6 (6.95-15.5) 4.16 (2.55-5.82) 10.9 (0.69-15.2) | 25.6 (23.8-28.4) 20.9 (18.4-24.2) 7.82 (6.91-8.97) 19.8 (18.0-22.8) | 21.4 (19.6-24.6) 19.5 (16.4-22.8) 7.13 (6.42-8.18) 17.9 (15.6-20.6) | 17.3 (14.9-21.8) 18.7 (16.0-23.7) 6.47 (5.33-8.24) 16.4 (13.7-20.7) |
30 | 49.7 (48.3-51.4) 35.2 (32.5-37.8) 16.6 (15.2-17.9) 35.4 (33.2-37.5) | 46.5 (44.9-48.9) 34.0 (31.6-36.3) 15.7 (14.4-17.0) 33.8 (32.3-36.2) | 43.6 (41.3-45.9) 31.7 (28.9-33.7) 14.7 (13.6-15.8) 31.6 (29.1-33.4) | 39.7 (37.5-42.5) 29.1 (27.2-31.6) 13.7 (12.8-14.5) 29.0 (27.3-31.1) | 45.1 (43.0-47.1) 34.6 (32.4-36.9) 15.9 (14.9-16.9) 33.9 (31.9-35.8) | 41.7 (40.2-44.0) 32.6 (30.3-35.3) 15.1 (13.9-16.6) 31.8 (30.2-34.0) | 39.8 (37.7-42.4) 32.8 (30.0-36.0) 15.2 (14.1-16.4) 31.5 (29.2-34.2) |