ISO week · all sample origins summed · via the WHO xMart interface
Licence: WHO terms (FluNet: licence not specified)
retrieved Nov 2, 2026 · SHA-256 0a1c58f3d4…
United States USA · J09–J11
United States · Influenza
Weekly influenza series reported to WHO FluNet. No second source is available to stitch for this country, so a single source is shown.
Latest
8.4%
week of Oct 19, 2026 · WHO FluNet
Peak
38.2%
week of Dec 24, 2012
Coverage
16years
since 2011
Sources
1
WHO FluNet
Influenza positivity (%) · weekly
- WHO FluNet
Move the pointer, or use ← → keys, to read weekly values and sources
Data table (text alternative)
| Latest week | WHO FluNet |
|---|---|
| 2026-W43 | 8.4 |
| 2026-W42 | 6.9 |
| 2026-W41 | 5.8 |
| 2026-W40 | 4.8 |
| 2026-W39 | 4.1 |
| 2026-W38 | 3.5 |
| 2026-W37 | 2.5 |
| 2026-W36 | 2 |
| 2026-W35 | 1.5 |
| 2026-W34 | 1.1 |
| 2026-W33 | 0.9 |
| 2026-W32 | 0.7 |
| 2026-W31 | 0.7 |
| 2026-W30 | 0.7 |
| 2026-W29 | 0.8 |
| 2026-W28 | 1 |
| 2026-W27 | 0.9 |
| 2026-W26 | 0.8 |
| 2026-W25 | 1.1 |
| 2026-W24 | 1.2 |
| 2026-W23 | 1.3 |
| 2026-W22 | 1.6 |
| 2026-W21 | 2.1 |
| 2026-W20 | 2.4 |
| 2026-W19 | 3.2 |
| 2026-W18 | 3.7 |
Source ledger
- WHO FluNet
How to read
Positivity = positive / tested specimens. Sentinel positivity reflects activity, not incidence, and must not be used to rank countries. Data are provisional and may be revised retrospectively.
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