Meeting venue
Hilton Istanbul Bomonti, Istanbul, Türkiye
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
Due to a transition in WHO meeting registration systems, online registration will not be available for this meeting. Observers wishing to attend the WHO Information Meeting on the composition of influenza virus vaccines for use in the 2026–2027 northern hemisphere influenza season, to be held on 27 February 2026 at the Hilton Istanbul Bomonti Hotel & Conference Centre, are kindly requested to send a registration request by email to gisrs-whohq@who.int no later than 13 February 2026.
Information Required from Observers
Observers requesting registration should provide the following information by email:
- Full name
- Institutional affiliation
- Email address
- Meeting title and date
Provisional agenda
- Opening and welcome
- Selection of chair
- Summary of influenza activity in the world and virus characterization
- Vaccine serology studies
- WHO recommendation for the composition of influenza virus vaccines for use in the 2026-2027 northern hemisphere influenza season
- Availability of candidate vaccine viruses and reference reagents
- Roundtable discussion
- Closure of the meeting
* Summary of zoonotic influenza viruses and update of candidate vaccine viruses will be published on WHO website by 5 March 2026.