Influenza Season 2025. Manufacturers will move from quadrivalent to trivalent influenza vaccine formulations and are currently prioritising supply of trivalent live attenuated vaccines for the 2024/2025 season. Make recommendations on the composition of influenza virus vaccines for use in the 2025 southern hemisphere influenza season;
This page includes links to information about the current flu season and past flu seasons, including current and past flu surveillance reports. The world health organization (who) today announced the recommendations for the viral composition of influenza vaccines for the 2025 influenza season in the southern.