Key Points

Acute respiratory infections

Influenza and influenza-like illnesses

• Week 10 of the epidemic phase

• Influenza activity is declining in S06 at SOS Médecins and in emergency departments.

Bronchiolitis (under 1 year)

• Week 5 of the post-epidemic phase

• Activity is declining at SOS Médecins and remains stable in emergency departments.

• Regarding the monitoring of severe cases of bronchiolitis in intensive care: as the last report received dates from January 2, 2026, the summary of severe cases of bronchiolitis admitted to intensive care is no longer presented, unless a new report is received. In total, 12 children under 2 years of age have been reported since late September 2025. One death in an infant has been recorded.

Acute gastroenteritis

• Activity related to acute gastroenteritis is stable in SOS Médecins associations in S06 and slightly down in emergency departments. This activity remains higher than that observed in previous years during the same period.