Is Flu Season Over 2024. This letter sets out guidance for the 2024 to 2025 season and includes the next steps for regions and providers to take, including which flu vaccines to order. In the u.s., flu season can start as early as october.

Using the highest weekly values observed from october 1, 2023, through june 15, 2024, cdc assesses this season’s severity as: But sometimes, it doesn’t rear its head until january or february.