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 | 117580 | 7.6 | 359185 | 3.5 | 566250 | 1.6 | 322454 | 1.1 | 425016 | 0.9 |
| 202341 | 119752 | 8.1 | 351106 | 3.6 | 566958 | 1.8 | 327379 | 1.2 | 431922 | 0.9 |
| 202342 | 120635 | 8.7 | 353981 | 3.9 | 562867 | 1.8 | 322930 | 1.3 | 431953 | 1.1 |
| 202343 | 124763 | 9.0 | 358217 | 4.2 | 565573 | 2.0 | 325077 | 1.4 | 433631 | 1.2 |