Conor Stewart
Research expert covering health & pharmaceuticals in the UK & Europe
Get in touch with us now| Characteristic | A (H1N1) | A (H3) | A (H5) | A (Not subtyped) | B (Victoria) | B (Yamagata) | B (Not determined) |
|---|---|---|---|---|---|---|---|
| 52 | 1,845 | 2,496 | 0 | 470 | 33 | 0 | 41 |
| 51 | 1,436 | 2,121 | 1 | 310 | 38 | 0 | 29 |
| 50 | 995 | 1,307 | 5 | 204 | 55 | 0 | 34 |
| 49 | 591 | 853 | 3 | 120 | 38 | 0 | 26 |
| 48 | 369 | 489 | 7 | 65 | 19 | 0 | 17 |
| 47 | 330 | 404 | 4 | 81 | 38 | 0 | 24 |
| 46 | 215 | 328 | 5 | 76 | 21 | 0 | 14 |
| 45 | 206 | 257 | 4 | 43 | 18 | 0 | 8 |
| 44 | 174 | 204 | 4 | 32 | 19 | 0 | 6 |
| 43 | 166 | 140 | 10 | 21 | 12 | 0 | 4 |
| 42 | 106 | 95 | 13 | 20 | 18 | 0 | 0 |
| 41 | 77 | 92 | 16 | 31 | 5 | 0 | 0 |
| 40 | 104 | 95 | 4 | 27 | 5 | 0 | 0 |
| 39 | 104 | 96 | 0 | 14 | 7 | 0 | 1 |
| 38 | 109 | 94 | 0 | 16 | 3 | 0 | 0 |
| 37 | 85 | 75 | 0 | 6 | 5 | 0 | 1 |
| 36 | 72 | 72 | 0 | 8 | 4 | 0 | 0 |
| 35 | 70 | 110 | 0 | 4 | 4 | 0 | 0 |
| 34 | 64 | 73 | 1 | 7 | 5 | 0 | 0 |
| 33 | 80 | 81 | 0 | 3 | 2 | 0 | 0 |
| 32 | 89 | 103 | 0 | 9 | 5 | 0 | 0 |
| 31 | 75 | 93 | 0 | 8 | 3 | 0 | 1 |
| 30 | 53 | 111 | 1 | 6 | 12 | 0 | 0 |
| 29 | 61 | 97 | 2 | 13 | 9 | 0 | 1 |
| 28 | 88 | 137 | 8 | 18 | 10 | 0 | 1 |
| 27 | 72 | 149 | 0 | 22 | 12 | 0 | 1 |
| 26 | 90 | 162 | 0 | 14 | 30 | 0 | 1 |
| 25 | 76 | 125 | 0 | 16 | 29 | 0 | 5 |
| 24 | 84 | 128 | 0 | 11 | 46 | 0 | 2 |
| 23 | 63 | 128 | 0 | 7 | 48 | 0 | 3 |
| 22 | 59 | 104 | 0 | 11 | 57 | 0 | 6 |
| 21 | 53 | 118 | 1 | 13 | 36 | 0 | 2 |
| 20 | 54 | 88 | 0 | 15 | 47 | 0 | 2 |
| 19 | 64 | 104 | 0 | 16 | 84 | 0 | 15 |
| 18 | 104 | 139 | 0 | 19 | 97 | 0 | 15 |
| 17 | 100 | 150 | 0 | 27 | 134 | 0 | 18 |
| 16 | 132 | 219 | 0 | 36 | 177 | 0 | 19 |
| 15 | 181 | 271 | 0 | 37 | 252 | 0 | 15 |
| 14 | 180 | 295 | 0 | 43 | 253 | 0 | 31 |
| 13 | 220 | 284 | 0 | 65 | 266 | 0 | 30 |
| 12 | 249 | 322 | 0 | 82 | 316 | 0 | 34 |
| 11 | 287 | 351 | 0 | 95 | 397 | 0 | 33 |
| 10 | 371 | 419 | 0 | 122 | 472 | 0 | 39 |
| 9 | 475 | 397 | 0 | 139 | 447 | 0 | 49 |
| 8 | 488 | 442 | 0 | 172 | 483 | 0 | 63 |
| 7 | 518 | 438 | 0 | 150 | 441 | 0 | 57 |
| 6 | 607 | 434 | 0 | 172 | 433 | 0 | 61 |
| 5 | 692 | 394 | 0 | 138 | 387 | 0 | 58 |
| 4 | 765 | 393 | 0 | 190 | 290 | 0 | 57 |
| 3 | 794 | 302 | 0 | 163 | 209 | 0 | 46 |
| 2 | 945 | 346 | 0 | 242 | 258 | 0 | 60 |
| 1 | 1,134 | 338 | 0 | 231 | 317 | 0 | 59 |
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Source
Source
Release date
August 2025
More information
Region
United States
Survey time period
2024
Supplementary notes
Data was obtained from sentinel surveillance systems.
Release date is the date figures were accessed.
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