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EMA has issued an update of the EU recommendations for the influenza virus strains that vaccine manufacturers should include in vaccines for the prevention of seasonal influenza from autumn 2020.

The recommendations now also contain a decision on a suitable H1N1 virus for seasonal live attenuated influenza vaccines. The list of reagents for vaccine standardisation has also been updated. Details such as the specific virus strains to be included, are available in the updated 2020/2021 recommendations issued by EMA’s Biologics Working Party (BWP) ad-hoc Influenza Working Group.

The initial EU strain recommendations for the composition of 2020/2021 seasonal influenza vaccines were made on 1 April 2020.

Every year, the ad-hoc Influenza Working Group issues EU guidance regarding the composition of seasonal influenza vaccines on the basis of recommendations made by the World Health Organization (WHO).

The Agency urges marketing-authorisation holders to submit applications to change the composition of centrally authorised seasonal influenza vaccines by 15 June 2020.

Posted on the EMA website on 15 May 2020