* The CDC use a mathematical model to estimate the numbers of influenza illnesses, medical visits, hospitalizations and deaths to inform policy and communications related to influenza prevention and control.
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Influenza illness rate for 2023-2024 flu season in the U.S., by age group
The CDC estimated an illness rate of around 15,686 per 100,000 for U.S. children aged 0 to 4 years for influenza during the 2023-2024 flu season. This statistic shows the estimated rate of influenza cases in the U.S. during the 2023-2024 influenza season, by age group.
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CDC. (November 20, 2024). Rate of influenza cases during the 2023-2024 flu season in the United States, by age group* [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1127714/influenza-us-illness-rate-by-age-group/
CDC. "Rate of influenza cases during the 2023-2024 flu season in the United States, by age group*." Chart. November 20, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1127714/influenza-us-illness-rate-by-age-group/
CDC. (2024). Rate of influenza cases during the 2023-2024 flu season in the United States, by age group*. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1127714/influenza-us-illness-rate-by-age-group/
CDC. "Rate of Influenza Cases during The 2023-2024 Flu Season in The United States, by Age Group*." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 20 Nov 2024, /statistics/1127714/influenza-us-illness-rate-by-age-group/
CDC, Rate of influenza cases during the 2023-2024 flu season in the United States, by age group* ÌÇÐÄÆƽâ°æ, /statistics/1127714/influenza-us-illness-rate-by-age-group/ (last visited July 23, 2026)
Rate of influenza cases during the 2023-2024 flu season in the United States, by age group* [Graph], CDC, November 20, 2024. [Online]. Available: /statistics/1127714/influenza-us-illness-rate-by-age-group/
