Flu Vaccines 2024 To 2024 Season Poster.  — the who recommends that trivalent vaccines for use in the 2024 southern hemisphere influenza season contain the following: Trivalent flu vaccines are formulated to protect against three flu viruses.

 — 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.  — you might like to download this handy poster flu vaccines for the 24/25 season.