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Flu Season
History

Season severity, peak timing, dominant strains, and regional breakdowns for recent flu seasons — all pulling live from CDC FluView data.

Source: CDC FluView ILINet via Delphi CMU Epidata · Updated when CDC revises historical data
Recent seasons

Browse by season

Each card links to the full season breakdown — arc chart, strain analysis, and regional data. The 2025–26 season is tracked live on the homepage.