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  • cdc_ili_intensity_intel

    US influenza-like illness intensity, weekly by state

    Weekly influenza-like illness intensity for 50 US states + DC from CDC ILINet (via the keyless CMU Delphi Epidata API), 2015-16 season to the latest released week (~26k (week, state) rows per snapshot). Per row: ili_pct (% outpatient visits for ILI), provider/patient coverage, per-state seasonal baseline (same week, prior 3 years; trailing-2y fallback), ili_zscore, week-over-week change (pp), 4-week trend slope, activity_band (minimal/low/moderate/high/very_high), elevated_flag, and flu_intensity_score (0-100 = min(100, round(50*clip(z/4)+30*clip(ili/8)+20*clip(wow/3)))). Units: %, pp, z, 0/1 flags, 0-100 score. Caveats: syndromic surveillance, not lab-confirmed flu — captures other respiratory pathogens; CDC revises recent weeks, so re-runs can legitimately supersede values.

    • weekly
    • us
    • health
    • seasonality
    rows
    28,398
    Quality
    100
    Updated
    Sep 29, 2026
    Fresh
    License
    Commercial use OK

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