锘?html>U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):<br> Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers<br>Week 18, Season 2025-2026
U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
2025-2026 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 |
| 202540 | 113310 | 5.3 | 381830 | 2.3 | 655568 | 1.2 | 380781 | 0.8 | 547100 | 0.6 |
| 202541 | 114158 | 5.3 | 371458 | 2.3 | 639161 | 1.2 | 375060 | 0.8 | 541187 | 0.6 |
| 202542 | 113500 | 5.7 | 364383 | 2.4 | 632736 | 1.3 | 372169 | 0.8 | 540864 | 0.6 |
| 202543 | 114254 | 5.8 | 368541 | 2.5 | 633071 | 1.3 | 371048 | 0.9 | 542370 | 0.6 |
| 202544 | 112239 | 6.3 | 357388 | 2.8 | 613423 | 1.4 | 360701 | 0.9 | 530122 | 0.6 |
| 202545 | 120374 | 6.8 | 380655 | 3.4 | 631714 | 1.6 | 367481 | 1.0 | 537322 | 0.7 |
| 202546 | 119639 | 7.0 | 368960 | 3.7 | 629040 | 1.7 | 366709 | 1.1 | 536468 | 0.8 |
| 202547 | 120889 | 7.8 | 376041 | 4.3 | 637349 | 1.9 | 373123 | 1.2 | 547862 | 0.9 |
| 202548 | 117924 | 9.3 | 311855 | 5.3 | 558331 | 2.2 | 319696 | 1.5 | 478208 | 1.1 |
| 202549 | 119319 | 9.4 | 354508 | 5.3 | 636415 | 2.7 | 370770 | 1.8 | 547472 | 1.3 |
| 202550 | 122014 | 11.3 | 372616 | 7.8 | 633682 | 3.1 | 369749 | 2.0 | 547368 | 1.6 |
| 202551 | 138477 | 14.9 | 405947 | 12.1 | 651041 | 4.5 | 377598 | 2.9 | 556632 | 2.3 |
| 202552 | 156152 | 19.9 | 367686 | 15.0 | 609477 | 6.7 | 346323 | 4.7 | 518923 | 4.3 |
| 202553 | 143154 | 18.3 | 332151 | 10.4 | 649090 | 6.4 | 366309 | 4.9 | 555218 | 4.9 |
| 202601 | 121743 | 13.6 | 368858 | 7.7 | 695807 | 4.9 | 404500 | 3.8 | 601771 | 3.4 |
| 202602 | 117439 | 12.4 | 367654 | 7.4 | 654612 | 3.7 | 381396 | 2.8 | 561273 | 2.2 |
| 202603 | 118328 | 12.4 | 350876 | 8.1 | 607779 | 3.6 | 351026 | 2.5 | 520137 | 1.9 |
| 202604 | 112576 | 12.1 | 334800 | 8.1 | 599965 | 3.6 | 346830 | 2.4 | 503020 | 1.8 |
| 202605 | 117231 | 11.5 | 366501 | 8.1 | 628777 | 3.6 | 368138 | 2.3 | 537155 | 1.7 |
| 202606 | 124199 | 11.7 | 381514 | 8.5 | 644851 | 3.6 | 381641 | 2.4 | 562897 | 1.7 |
| 202607 | 128105 | 11.6 | 376718 | 8.4 | 642906 | 3.5 | 372842 | 2.2 | 552094 | 1.6 |
| 202608 | 121589 | 10.2 | 374834 | 7.2 | 642886 | 3.2 | 376446 | 2.0 | 555547 | 1.4 |
| 202609 | 125877 | 10.3 | 391584 | 7.3 | 654974 | 3.0 | 384588 | 1.8 | 567340 | 1.2 |
| 202610 | 124716 | 9.5 | 386485 | 6.5 | 652056 | 2.6 | 383089 | 1.6 | 571747 | 1.1 |
| 202611 | 120417 | 8.7 | 365095 | 5.6 | 642001 | 2.4 | 374727 | 1.4 | 557901 | 0.9 |
| 202612 | 122092 | 8.2 | 380522 | 4.9 | 655250 | 2.2 | 379256 | 1.3 | 569098 | 0.9 |
| 202613 | 117964 | 7.6 | 358262 | 4.4 | 635340 | 2.1 | 368686 | 1.2 | 554715 | 0.8 |
| 202614 | 115452 | 6.9 | 351599 | 3.5 | 634768 | 1.9 | 370631 | 1.1 | 557336 | 0.8 |
| 202615 | 115284 | 6.1 | 373946 | 3.0 | 650204 | 1.6 | 381492 | 1.0 | 578356 | 0.7 |
| 202616 | 112115 | 5.9 | 369621 | 2.9 | 640665 | 1.5 | 373529 | 0.9 | 565333 | 0.6 |
| 202617 | 110563 | 5.7 | 369256 | 2.8 | 635001 | 1.4 | 366959 | 0.9 | 554603 | 0.6 |
| 202618 | 110619 | 5.6 | 369497 | 2.8 | 639587 | 1.4 | 372957 | 0.9 | 565335 | 0.6 |