A(H5N1) - Northern hemisphere 2024-2025

Summary of status of development and availability of A(H5N1) candidate vaccine viruses and potency testing reagents

23 February 2024
 | Meeting report
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Overview

Antigenic and genetic analyses are performed by the WHO Collaborating Centres of the Global Influenza Surveillance and Response System (GISRS). Unless otherwise indicated all candidate vaccine viruses posted on this table have passed two-way haemagglutination inhibition (HI) test. National or Regional control authorities approve the composition and formulation of vaccines used in each country.

 

WHO Team
Global Influenza Programme (GIP), Global Influenza Surveillance and Response System