thematic dossier
Acute respiratory infections
Les infections respiratoires aiguës sont dues à différents virus respiratoires tels que le SARS-CoV-2 (à l’origine de la COVID-19), les virus grippaux, le virus respiratoire syncytial (VRS)...
Acute respiratory infections (influenza, bronchiolitis, COVID-19). Review of the 2025–2026 season.
Key Points
Acute respiratory infections
- Activity concentrated between November 2025 and February 2026, with a moderate peak in the city but a high peak in hospitals, occurring in late 2025 and driven primarily by influenza.
Influenza
- An epidemic driven exclusively by type A viruses occurring between December 2025 and mid-February 2026 (duration: 10 weeks), with low to moderate intensity in the community but high intensity in hospitals, and with a significant impact on mortality observed in early 2026.
Bronchiolitis
- An epidemic occurring at the usual time of year and of short duration (8 weeks) between November and December 2025, of low intensity and comparable to the 2024–2025 epidemic.
COVID-19
- Low demand for medical care during the 2025–2026 season despite continued circulation of SARS-CoV-2 in the general population.
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.
Bronchiolitis
thematic dossier
Acute bronchiolitis is a viral respiratory illness that primarily affects children under the age of 2 during seasonal winter outbreaks.
COVID-19
thematic dossier
COVID-19 is a contagious viral infection. By practicing preventive measures and getting vaccinated, you can protect yourself from infection and its complications while limiting the spread of the...
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