Annual Flu Letter 2024/25. 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. This flyer explains why adults eligible for the flu vaccine will be offered a flu vaccine from early october this year, based on the latest scientific evidence that shows that protection.

The periodic update of viruses contained in influenza vaccines is necessary for the vaccines to be effective due to the constant evolving nature of influenza viruses, including those circulating and. Prevention and control of seasonal influenza with vaccines: