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WHO Information Meeting on the composition of influenza virus vaccines for use in the 2027 southern hemisphere influenza season

25 September 2026 09:00 – 12:00 UTC Time
WHO Academy, 57 Avenue Tony Garnier, 69007 Lyon, France
Reading time:

In-person meeting

Participants

Representatives and individuals from vaccine regulatory agencies, influenza vaccine manufacturers, members of the WHO Global Influenza Surveillance and Response System (GISRS) and other interested institutions.

Registration is required and free of charge. Please register by emailing gisrs@who.int no later than 15 September 2026.

Provisional agenda

  • Opening and welcome
  • Selection of Chair
  • Summary of virus characterization and influenza activity in the world
  • WHO recommendation for the composition of influenza virus vaccines for use in the 2027 southern hemisphere influenza season
  • Availability of candidate vaccine viruses and reference reagents
  • Round-table discussion
  • Closure of the meeting

* Summary of zoonotic influenza viruses and an update of candidate vaccine viruses will be published on WHO’s website before 5 October 2026.