U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet):
Percentage of Visits for ILI by Age Group Reported by A Subset of ILINet Providers
2022-2023 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 |
| 202240 | 124658 | 9.8 | 307664 | 3.9 | 475911 | 1.4 | 282718 | 0.9 | 366148 | 0.7 |
| 202241 | 131297 | 10.5 | 317526 | 4.4 | 486419 | 1.6 | 286552 | 1.0 | 365120 | 0.8 |
| 202242 | 137987 | 11.5 | 327442 | 5.4 | 480613 | 1.9 | 284314 | 1.3 | 363584 | 0.9 |
| 202243 | 159482 | 13.7 | 372356 | 7.7 | 518097 | 2.6 | 303002 | 1.6 | 384518 | 1.1 |
| 202244 | 168819 | 15.3 | 403168 | 9.9 | 529800 | 3.4 | 303987 | 1.9 | 383013 | 1.3 |
| 202245 | 170005 | 15.8 | 379291 | 9.8 | 524162 | 3.6 | 302988 | 2.2 | 377729 | 1.4 |
| 202246 | 154659 | 15.3 | 360250 | 9.9 | 508132 | 4.0 | 293602 | 2.4 | 373219 | 1.7 |
| 202247 | 158977 | 17.4 | 338300 | 12.7 | 487049 | 5.3 | 280468 | 3.6 | 366284 | 2.5 |
| 202248 | 156931 | 17.0 | 374899 | 11.1 | 565405 | 6.1 | 324943 | 4.1 | 413220 | 3.0 |
| 202249 | 140488 | 16.0 | 369629 | 11.4 | 537263 | 5.4 | 313997 | 3.8 | 398477 | 2.8 |
| 202250 | 132751 | 15.2 | 346151 | 10.9 | 522056 | 5.2 | 305106 | 3.6 | 387550 | 2.6 |
| 202251 | 123427 | 14.6 | 291615 | 10.0 | 481320 | 5.2 | 282329 | 3.8 | 369856 | 2.8 |
| 202252 | 116862 | 13.8 | 251150 | 7.6 | 474770 | 4.9 | 284862 | 3.8 | 379575 | 3.1 |
| 202301 | 108667 | 10.8 | 283461 | 5.2 | 540794 | 3.7 | 315894 | 3.2 | 404638 | 2.5 |
| 202302 | 98311 | 8.3 | 289544 | 4.1 | 515754 | 2.7 | 302702 | 2.2 | 386970 | 1.6 |
| 202303 | 103015 | 7.9 | 286307 | 3.9 | 497575 | 2.3 | 288747 | 1.8 | 368403 | 1.3 |
| 202304 | 103440 | 7.9 | 301609 | 4.0 | 502818 | 2.2 | 294050 | 1.6 | 372727 | 1.1 |
| 202305 | 106990 | 8.0 | 310862 | 4.2 | 504676 | 2.2 | 290416 | 1.5 | 371486 | 1.0 |
| 202306 | 111914 | 8.1 | 325918 | 4.2 | 520738 | 2.2 | 303913 | 1.5 | 388164 | 1.1 |
| 202307 | 112002 | 8.0 | 318689 | 4.0 | 518291 | 2.1 | 301176 | 1.5 | 385122 | 1.1 |
| 202308 | 113480 | 8.2 | 311804 | 3.9 | 508497 | 2.0 | 294704 | 1.5 | 374565 | 1.1 |
| 202309 | 115184 | 7.7 | 322807 | 3.8 | 522068 | 2.0 | 302885 | 1.4 | 388783 | 1.0 |
| 202310 | 115301 | 7.8 | 325813 | 3.8 | 522258 | 1.9 | 303305 | 1.3 | 388794 | 0.9 |
| 202311 | 113961 | 7.9 | 313929 | 3.8 | 516840 | 1.9 | 297539 | 1.3 | 383462 | 0.9 |
| 202312 | 120183 | 7.4 | 325655 | 3.7 | 528177 | 1.9 | 304275 | 1.3 | 393297 | 0.9 |
| 202313 | 113494 | 7.4 | 324591 | 3.5 | 523576 | 1.8 | 301195 | 1.2 | 389523 | 0.9 |
| 202314 | 109430 | 7.3 | 306042 | 3.4 | 505629 | 1.7 | 293863 | 1.2 | 381009 | 0.8 |
| 202315 | 111939 | 6.9 | 316465 | 3.2 | 517353 | 1.7 | 302473 | 1.1 | 395095 | 0.8 |
| 202316 | 109071 | 6.4 | 325081 | 3.1 | 523176 | 1.6 | 305119 | 1.1 | 394513 | 0.8 |
| 202317 | 107730 | 6.4 | 326528 | 3.2 | 520003 | 1.5 | 299614 | 1.0 | 385695 | 0.7 |
| 202318 | 104441 | 6.6 | 325409 | 3.3 | 521382 | 1.5 | 299983 | 1.0 | 390448 | 0.7 |
| 202319 | 107601 | 6.3 | 331741 | 3.3 | 525907 | 1.5 | 302998 | 0.9 | 395663 | 0.7 |
| 202320 | 100635 | 6.3 | 307987 | 3.3 | 499457 | 1.5 | 288193 | 0.9 | 380424 | 0.7 |