Table 4.
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) |
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