U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
2023-2024 Season | 0-4 years | 5-24 years | 25-49 years | 50-64 years | 65+ years |
Week | Total Visits | ILI | Total Visits | ILI | Total Visits | ILI | Total Visits | ILI | Total Visits | ILI |
202340 | 117893 | 7.6 | 359988 | 3.5 | 567078 | 1.6 | 322917 | 1.1 | 425482 | 0.9 |
202341 | 120049 | 8.1 | 351946 | 3.6 | 567811 | 1.8 | 327843 | 1.2 | 432409 | 0.9 |
202342 | 120923 | 8.7 | 354924 | 3.9 | 563735 | 1.8 | 323400 | 1.3 | 432491 | 1.1 |
202343 | 126606 | 9.0 | 362439 | 4.2 | 567891 | 2.0 | 326667 | 1.4 | 435450 | 1.2 |
202344 | 126982 | 9.3 | 361216 | 4.7 | 554913 | 2.2 | 317428 | 1.5 | 424300 | 1.3 |
202345 | 138503 | 10.4 | 372120 | 5.4 | 575494 | 2.5 | 328581 | 1.7 | 435295 | 1.4 |
202346 | 136674 | 10.9 | 362378 | 5.7 | 563579 | 2.8 | 320814 | 1.9 | 431624 | 1.5 |
202347 | 138055 | 11.1 | 312046 | 5.9 | 512915 | 2.9 | 291736 | 2.1 | 403114 | 1.6 |
202348 | 140854 | 11.0 | 361985 | 5.7 | 595061 | 3.5 | 336118 | 2.5 | 456581 | 1.9 |
202349 | 136879 | 11.7 | 374358 | 6.9 | 588320 | 3.6 | 338236 | 2.6 | 452722 | 1.9 |
202350 | 141539 | 12.8 | 380249 | 8.7 | 587423 | 4.3 | 335107 | 3.1 | 446362 | 2.2 |
202351 | 148395 | 14.1 | 368089 | 10.3 | 592250 | 5.5 | 337160 | 4.0 | 455779 | 2.8 |
202352 | 144769 | 15.5 | 304174 | 9.8 | 559914 | 6.5 | 324309 | 4.9 | 464816 | 3.6 |
202401 | 129681 | 13.6 | 315404 | 7.3 | 604812 | 5.8 | 341290 | 4.5 | 461226 | 3.3 |
202402 | 110625 | 11.4 | 319286 | 6.6 | 588292 | 4.6 | 341786 | 3.6 | 458397 | 2.6 |
202403 | 104259 | 10.5 | 298770 | 6.4 | 542635 | 4.0 | 310812 | 3.0 | 412406 | 2.2 |
202404 | 106015 | 10.2 | 332632 | 6.6 | 574359 | 3.9 | 329594 | 2.7 | 433877 | 1.9 |
202405 | 111668 | 10.3 | 357027 | 6.9 | 581213 | 3.7 | 328109 | 2.5 | 435625 | 1.8 |
202406 | 116848 | 10.4 | 370182 | 7.3 | 589734 | 3.8 | 334756 | 2.5 | 443034 | 1.7 |
202407 | 115419 | 10.2 | 355630 | 7.2 | 579670 | 3.8 | 326695 | 2.5 | 433750 | 1.7 |
202408 | 117769 | 10.4 | 355741 | 7.2 | 577946 | 4.0 | 324194 | 2.6 | 432018 | 1.8 |
202409 | 119288 | 10.1 | 370392 | 6.6 | 597332 | 3.8 | 335306 | 2.5 | 448899 | 1.7 |
202410 | 117189 | 9.8 | 361976 | 6.3 | 587289 | 3.4 | 332123 | 2.2 | 443214 | 1.6 |
202411 | 118056 | 9.3 | 354724 | 5.7 | 578295 | 3.1 | 327144 | 1.9 | 440583 | 1.4 |
202412 | 116982 | 9.0 | 350951 | 5.1 | 582018 | 2.8 | 329114 | 1.8 | 439775 | 1.3 |
202413 | 115477 | 8.6 | 331328 | 4.8 | 571302 | 2.8 | 323454 | 1.7 | 436596 | 1.3 |
202414 | 113607 | 8.5 | 327968 | 4.2 | 571492 | 2.6 | 321338 | 1.7 | 431836 | 1.2 |
202415 | 113852 | 8.1 | 342050 | 3.9 | 577421 | 2.3 | 328379 | 1.5 | 444733 | 1.1 |
202416 | 112139 | 7.3 | 354190 | 3.5 | 581822 | 2.0 | 331894 | 1.3 | 449631 | 1.0 |
202417 | 110642 | 7.1 | 353647 | 3.5 | 573353 | 1.9 | 325421 | 1.3 | 437857 | 0.9 |
202418 | 111268 | 7.0 | 357877 | 3.4 | 577602 | 1.8 | 326977 | 1.2 | 443672 | 0.9 |
202419 | 108282 | 6.6 | 349741 | 3.2 | 576181 | 1.7 | 327759 | 1.2 | 442578 | 0.8 |
202420 | 106981 | 6.5 | 338812 | 3.2 | 568910 | 1.7 | 321877 | 1.2 | 436531 | 0.9 |
202421 | 108067 | 6.2 | 335803 | 3.0 | 579224 | 1.6 | 329792 | 1.2 | 448523 | 0.8 |
202422 | 106917 | 6.2 | 317652 | 2.9 | 562039 | 1.5 | 318195 | 1.1 | 430040 | 0.9 |
202423 | 100696 | 5.5 | 313438 | 2.5 | 577325 | 1.5 | 331893 | 1.1 | 451275 | 0.8 |
202424 | 95334 | 5.1 | 302213 | 2.3 | 568664 | 1.4 | 327654 | 1.0 | 444753 | 0.8 |
202425 | 93226 | 4.8 | 294672 | 2.1 | 568109 | 1.4 | 324647 | 1.0 | 441173 | 0.8 |
202426 | 92085 | 4.4 | 298586 | 2.1 | 579785 | 1.3 | 328200 | 1.0 | 445643 | 0.8 |
202427 | 90053 | 4.4 | 287294 | 2.0 | 548941 | 1.3 | 312482 | 1.0 | 431495 | 0.8 |
202428 | 93262 | 4.4 | 308664 | 2.0 | 597712 | 1.3 | 340222 | 1.0 | 457397 | 0.8 |
202429 | 91258 | 4.3 | 301815 | 2.0 | 586800 | 1.3 | 332297 | 1.0 | 449253 | 0.8 |
202430 | 89616 | 4.6 | 295416 | 2.0 | 572175 | 1.3 | 325547 | 1.0 | 440214 | 0.8 |
202431 | 90563 | 4.5 | 301865 | 2.1 | 577773 | 1.4 | 325736 | 1.0 | 442811 | 0.8 |
202432 | 89635 | 4.6 | 303655 | 2.1 | 573330 | 1.4 | 326130 | 1.0 | 439850 | 0.8 |
202433 | 91576 | 4.7 | 318639 | 2.3 | 578876 | 1.4 | 330159 | 0.9 | 447751 | 0.8 |
202434 | 95935 | 5.5 | 333110 | 2.8 | 574537 | 1.5 | 325663 | 1.0 | 443922 | 0.8 |
202435 | 99905 | 5.9 | 343794 | 3.2 | 580164 | 1.5 | 326527 | 1.0 | 446984 | 0.8 |
202436 | 101558 | 6.0 | 336370 | 3.2 | 565276 | 1.6 | 314537 | 1.1 | 431757 | 0.8 |
202437 | 100198 | 6.1 | 352634 | 3.1 | 577298 | 1.6 | 325657 | 1.0 | 444879 | 0.8 |
202438 | 101466 | 6.3 | 355717 | 3.2 | 579352 | 1.5 | 326525 | 1.1 | 444562 | 0.8 |