26 March 2018 - EU advice based on WHO recommendations.
The EMA has issued the European Union recommendations for the influenza virus strains that vaccine manufacturers should include in vaccines for the prevention of seasonal influenza from autumn 2018.
Trivalent vaccines for the 2018/2019 season should contain these three virus strains:
For quadrivalent vaccines with two influenza B viruses, a B/Phuket/3073/2013-like virus in addition to the strains mentioned above is considered appropriate.