Global Influenza Surveillance and Response System (GISRS)
Global influenza surveillance has been conducted through WHO's Global Influenza Surveillance and Response System (GISRS) since 1952.
GISRS is a system fostering global confidence and trust for over half a century, through effective collaboration and sharing of viruses, data and benefits based on Member States’ commitment to a global public health model.
The mission of GISRS is to protect people from the threat of influenza by continuously functioning as a:
- global mechanism of surveillance, preparedness and response for seasonal, pandemic and zoonotic influenza;
- global platform for monitoring influenza epidemiology and disease; and
- global alert for novel influenza viruses and other respiratory pathogens.
GISRS currently comprises institutions in 129 WHO Member States:
FluNet
FluNet is a global web-based tool for influenza virological surveillance first launched in 1997. The virological data entered into FluNet, e.g. number of influenza viruses detected by subtype, are critical for tracking the movement of viruses globally and interpreting the epidemiological data. The data at country level are publically available and updated weekly. The results are presented in various formats including tables, maps and graphs.
Events
Recommendations
23 February 2024
Recommended composition of influenza virus vaccines for use in the 2024-2025 northern hemisphere influenza season
29 September 2023
Recommended composition of influenza virus vaccines for use in the 2024 southern hemisphere influenza season
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