United States Influenza-like illness cases
usa-ili_casesHealth & Disease
ILI (influenza-like illness) cases reported through syndromic surveillance, WHO FluID
Subject
United States
Metric
Influenza-like illness cases
Data Points
255
Coverage
2021–2026
Latest Value
40,234
as of Sep 7, 2026
Time Series (255 observations)
Recent Data
| Date | Value | Type |
|---|---|---|
| Sep 7, 2026 | 40,234 | Actual |
| Aug 31, 2026 | 37,715 | Actual |
| Aug 24, 2026 | 36,587 | Actual |
| Aug 17, 2026 | 33,080 | Actual |
| Aug 10, 2026 | 26,728 | Actual |
| Aug 3, 2026 | 22,214 | Actual |
| Jul 27, 2026 | 20,447 | Actual |
| Jul 20, 2026 | 20,242 | Actual |
| Jul 13, 2026 | 20,335 | Actual |
| Jul 6, 2026 | 21,943 | Actual |
| Jun 29, 2026 | 23,448 | Actual |
| Jun 22, 2026 | 23,236 | Actual |
| Jun 15, 2026 | 25,439 | Actual |
| Jun 8, 2026 | 27,626 | Actual |
| Jun 1, 2026 | 30,270 | Actual |
Showing most recent 15 of 255 observations
Data Source
WHO_FLUID
Category
Health & Disease→ Infectious Disease Surveillance
Related Data
View all United States data →API Access
# Fetch data by canonical code
GET /api/v1/timeseries/canonical/usa-ili_cases
# With date filters
GET /api/v1/timeseries/canonical/usa-ili_cases?start_date=2020-01-01
# Point-in-time reconstruction (Pro)
GET /api/v1/timeseries/canonical/usa-ili_cases?as_of=2024-01-01