Influenza Affects the US Seasonally
Influenza A and B are back in a large number of cases. Learn more about why the 2024–2025 season is the worst in 15 years.
The 2024–2025 flu season saw an estimated 41–71 million infections and the highest hospitalization rates in over a decade. This segment differentiates symptoms, discusses why certain communities are more vulnerable to outbreaks, and discusses how well the 2024–2025 vaccine is holding up against strains like H1N1 and H3N2.
Resources:
https://www.cdc.gov/flu-burden/php/data-vis/2024-2025.html
https://www.cdc.gov/fluview/surveillance/2025-week-09.html
https://www.cdc.gov/flu-burden/php/data-vis/past-seasons.html
