In brief
Videos, infographics, key statistics, expert interviews… Find the latest news and key information on bronchiolitis here
news
Wearing masks, washing hands, and ventilating rooms: this winter, let’s make ...
The disease
Bronchiolitis is a respiratory illness primarily caused by the respiratory syncytial virus. Every winter, it affects nearly 30% of infants under the age of 2.
Bronchiolitis, a disease affecting children under 2 years of age
Acute bronchiolitis is an epidemic respiratory illness caused primarily by the respiratory syncytial virus (RSV). It mainly affects children under the age of 2. In the vast majority of cases, bronchiolitis is mild and resolves...
What We Do
Bronchiolitis poses a significant public health challenge. A surveillance program and a prevention policy have been implemented to limit the spread of the disease.
Bronchiolitis is highly contagious and affects many infants under the age of 2 every winter. Although the risk of hospitalization and death remains low, this infection poses a significant public health challenge.
In response, Santé publique France has operated a surveillance program in France...
Data
View data on the epidemiological situation regarding bronchiolitis in France and by region on Santé publique France.
The bronchiolitis surveillance system established by Santé publique France makes it possible to study the epidemiological trends of this viral disease each year throughout France and at the regional level.
For the 2025–2026 season, the agency is implementing an “integrated” surveillance system...
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
Here you will find the latest scientific publications related to the studies and research conducted by Santé publique France.
2 publications
note d'aide à la décision
Decision-Support Note. Assessment of the epidemiological situation regarding Respiratory Syncytial Virus (RSV) among infants under 2 years of age in French Guiana, with a view to potential changes in the regional strategy for immunizing newborns and vaccinating pregnant women against this virus
note d'aide à la décision
Start date of the next immunization campaign for newborns against RSV bronchiolitis for the 2025–2026 season (mainland France and overseas departments and regions). The agency’s interpretation and recommendation
In relation to
thematic dossier
The First 1,000 Days
The period from conception through the first two years of life is critical for a child’s development and the health of the adult they will become. That is why it is essential to prioritize the...
Acute gastroenteritis
thematic dossier
Acute winter gastroenteritis is often caused by viruses. Every year, there is a surge in cases in France, as in the rest of Europe, leading to an increase in medical consultations for acute winter...
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.
