Global Influenza Programme
We provide Member States with strategic guidance, technical support and coordination of activities essential to make their health systems better prepared against seasonal, zoonotic and pandemic influenza threats to populations and individuals.
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Global Influenza Strategy 2019–2030
15 March 2019

Global Influenza Strategy 2019–2030
The Global Influenza Strategy for 2019-2030 provides a framework for WHO, countries and partners to approach influenza holistically through tailored national...
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Vaccine composition recommendations

WHO issues recommendations on the composition of influenza vaccines twice a year – February for the northern hemisphere and September for the southern hemisphere. These recommendations, developed based on GISRS surveillance and through expert consultations, guide national regulatory agencies and pharmaceutical companies in the development, production, and licensing of seasonal influenza vaccines.
27 February 2026

Recommended composition of influenza virus vaccines for use in the 2026-2027 northern...

For vaccines for use in the 2026-2027 northern hemisphere influenza season, WHO recommends the following: Egg-based vaccines • an A/Missouri/11/2025...
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26 September 2025

Recommended composition of influenza virus vaccines for use in the 2026 southern hemisphere influenza season

Health topics

Influenza (seasonal)
Andrea Piacquadio
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Influenza (seasonal)

Influenza (seasonal)

 

Technical links

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Diseases and conditions

Influenza (avian and other zoonotic)

Other news

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1 May 2026
Departmental update

GISRS mourns the passing of Dr Nancy Cox
26 September 2025
News release

Recommendations announced for influenza vaccine composition for the 2026 southern hemisphere influenza season
25 March 2025
Departmental update

Expanding the Global Influenza Surveillance and Response System to include other respiratory viruses with epidemic or pandemic potential
25 March 2025
Departmental update

Despite global influenza vaccine production remaining steady, production and distribution challenges remain

Publications

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An operational tool to estimate influenza disease burden averted through vaccination
30 June 2025

An operational tool to estimate influenza disease burden averted through vaccination

The document “An operational tool to estimate influenza disease burden averted through vaccination” serves as a supplement to the WHO publication...

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Considerations for use of avian influenza A(‎H5)‎ vaccines during the interpandemic and emergence periods: report of a WHO virtual scientific consultation, September 2024
23 June 2025

Considerations for use of avian influenza A(‎H5)‎ vaccines during the interpandemic and emergence periods:...

WHO conducted a virtual scientific expert consultation on A(H5) vaccines and vaccination. This report provides an overview of the landscape of A(H5) vaccines...

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Respiratory syncytial virus sequencing considerations for an expanded Global Influenza Surveillance and Response System
13 June 2025

Respiratory syncytial virus sequencing considerations for an expanded Global Influenza Surveillance and...

In recent years, rapid progress has been made in the development of new pharmaceutical interventions against respiratory syncytial virus (RSV), including...

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Implementing the integrated sentinel surveillance of influenza and other respiratory viruses of epidemic and pandemic potential by the Global Influenza Surveillance and Response System
4 December 2024

Implementing the integrated sentinel surveillance of influenza and other respiratory viruses of epidemic...

Integrated surveillance in the context of the GISRS refers to expanding GISRS functions to include non-influenza respiratory viruses with epidemic or pandemic...

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