Table 1.
Numbers vaccinated, influenza‐like illness (ILI), LRTI, acute respiratory tract illness (ARTI) and PCR‐confirmed events by month, age group and whether belonging to a risk group
| Variable | Level | Total number of participants | Numbers vaccinated (%) | Number of events (%) | |||
|---|---|---|---|---|---|---|---|
| ILI | LRTI | ARTI | PCR‐confirmed | ||||
| Month | September | 940 343 | 236 (0·03) | 235 (0·02) | 738 (0·08) | 7472 (0·79) | 1 (0·00) |
| October | 932 630 | 78 142 (8·38) | 414 (0·04) | 971 (0·10) | 9188 (0·99) | 7 (0·00) | |
| November | 924 453 | 142 771 (15·44) | 539 (0·06) | 947 (0·10) | 10 090 (1·09) | 42 (0·01) | |
| December | 917 078 | 164 706 (17·96) | 4058 (0·44) | 1607 (0·18) | 16 402 (1·79) | 767 (0·11) | |
| January | 911 360 | 179 324 (19·68) | 3119 (0·34) | 1130 (0·12) | 10 324 (1·13) | 358 (0·05) | |
| February | 904 959 | 182 859 (20·21) | 718 (0·08) | 765 (0·08) | 8403 (0·93) | 54 (0·01) | |
| March | 899 254 | 182 699 (20·32) | 355 (0·04) | 849 (0·09) | 9137 (1·02) | 11 (0·00) | |
| Age group | 1–4 | 45 659 | 1428 (3·13) | 550 (1·20) | 408 (0·89) | 11 614 (25·44) | 118 (0·35) |
| 5–14 | 109 594 | 4722 (4·31) | 1047 (0·96) | 230 (0·21) | 11 133 (10·16) | 251 (0·31) | |
| 15–44 | 372 139 | 20 086 (5·40) | 4535 (1·22) | 1601 (0·43) | 24 763 (6·65) | 607 (0·22) | |
| 45–64 | 252 093 | 42 159 (16·72) | 2493 (0·99) | 1994 (0·79) | 12 232 (4·85) | 238 (0·13) | |
| 65–74 | 83 392 | 58 038 (69·60) | 451 (0·54) | 1007 (1·21) | 3648 (4·37) | 22 (0·03) | |
| 75+ | 77 466 | 59 109 (76·30) | 311 (0·40) | 1320 (1·70) | 2874 (3·71) | 4 (0·01) | |
| Belonging in | No | 784 544 | 96 460 (12·30) | 7799 (0·99) | 4307 (0·55) | 54 492 (6·95) | 1061 (0·18) |
| A risk group | Yes | 155 799 | 89 082 (57·18) | 1588 (1·02) | 2253 (1·45) | 11 772 (7·56) | 179 (0·15) |
| Total | 940 343 | 185 542 (19·73) | 9387 (1·00) | 6560 (0·70) | 66 264 (7·05) | 1240 (0·18)a | |
a
From 697,596 individuals covered by 80 practices.