In brief
Videos, infographics, key statistics, expert interviews… Find the latest news and key information on avian influenza here
The disease
Avian influenza is a viral zoonosis. Currently, more than a dozen types of avian or swine influenza A viruses can infect humans.
A viral zoonosis
Avian influenza is a viral infectious disease caused by an influenza-type virus that primarily affects birds. Certain strains of this virus can be transmitted from animals to humans and, in some cases, cause severe infections. The disease is generally transmitted through direct...
- A viral zoonosis
- How do avian influenza viruses spread in France and around the world?
- A bird disease that can be transmitted to humans
- What should you do if you are exposed to avian influenza viruses?
- What should you do if you experience symptoms?
What We Do
When a new strain of influenza virus that can infect humans emerges, a flu pandemic occurs. In France, surveillance measures are in place for avian influenza.
An influenza pandemic occurs when a new influenza virus emerges that is well-adapted to humans and capable of being efficiently transmitted from person to person. In previous influenza pandemics, the viruses responsible resulted from genetic exchange between influenza viruses of animal and...
- Epidemiological surveillance of avian influenza
- For healthcare professionals (guidelines, questionnaires for suspected cases and contacts)
- Preventive measures and advice for travelers
Data
Avian influenza is a viral zoonosis. Currently, more than a dozen avian or swine influenza A viruses can infect humans.
Currently, highly pathogenic avian influenza viruses with hemagglutinin H5 (H5Nx) are circulating widely around the world (including in France), particularly viruses of the A(H5N1) subtype from clade 2.3.4.4b. These viruses cause mass mortality in wild birds and affect various animal species:...
Tools
Here you will find the resources (videos, TV spots, radio spots) and prevention materials made available to healthcare professionals and the general public
Publications
Find here the latest scientific publications related to the studies and research conducted by Santé publique France
2 publications
rapport/synthèse
Active Surveillance of Persons Exposed to an Outbreak of Highly Pathogenic Avian Influenza (SAGA): Results of the Pilot Study Conducted from 2023 to 2025 and Outlook for 2025–2026
rapport/synthèse
Zoonotic Avian Influenza. Epidemiological Situation and Public Health Risks at the National and International Levels. Risk Assessment of November 10, 2025.
In relation to
Flu
thematic dossier
The flu is a contagious viral respiratory infection that causes seasonal outbreaks every winter. The flu vaccine is the most effective way to protect yourself.
Vaccination
thematic dossier
Contagious diseases most often affect children at a very young age. Because children are particularly vulnerable, they are a priority target for vaccination programs.
