When Is Flu Season 2024. Current seasonal flu activity in the united states, information for health providers, in season estimates, and flusight forecasting. Flu activity is waning in much of the southern hemisphere, signaling that the 2024 flu season is nearing its end in many countries.

The national flu immunisation programme for 2024 to 2025 slideset is available to download. The annual flu letter for 2024 to 2025 describes the national flu immunisation programme and outlines which groups are eligible for flu vaccination.