2025 Flu Strain. Jcvi considered this a priority to avoid the potential theoretical. In the uk the live attenuated influenza vaccine (laiv) moved to a trivalent formulation in time for the 2024 to 2025 season.
The world health organization (who) today announced the recommendations for the viral composition of influenza vaccines for the 2025 influenza season in the southern. Trivalent influenza (flu) vaccines are designed to protect against three flu viruses.