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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Pandemic influenza severity assessment (‎PISA)‎: a WHO guide to assess the severity of influenza in seasonal epidemics and pandemics, second edition

The updated WHO pandemic influenza severity assessment (PISA) framework set out in this document provides a systematic approach for interpreting data...

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

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

Strengthening influenza vaccination policies and programmes: meeting report, Geneva, Switzerland, 15-17 July 2024

Seasonal influenza is a major global health threat, causing significant morbidity and mortality annually and placing stress on health systems worldwide....

Practical interim guidance to reduce the risk of infection in people exposed to avian influenza viruses

Human infection with avian influenza viruses such as A(H5N1) can cause clinical disease ranging from conjunctivitis, mild upper respiratory tract infection...