Key Points

Bronchiolitis (children under 2 years of age)Epidemic activity: slight increase in emergency room visits and SOS Médecins consultations. Accounts for 13% of diagnoses coded in emergency departments among children under 2 years of age. Nearly one-third of these visits resulted in hospitalization. Viral circulation according to data from the Brest University Hospital (positivity rate = 9% out of 56 samples).

Gastroenteritis: Activity has remained significantly above seasonal averages for SOS Médecins consultations since mid-October, accounting for 8.4% of coded diagnoses across all age groups.In hospital emergency departments, the number of visits is within seasonal averages. High activity in primary care: incidence rate of acute diarrhea estimated at 214 cases per 100,000 inhabitants (95% CI [83, 345], unconsolidated Sentinelles data). Circulation of the Norovirus.

Influenza and influenza-like illness: A doubling of SOS Médecins consultations, accounting for 3% of coded diagnoses. Stable and low activity in hospital emergency departments across all age groups. Circulation of type A virus on the rise at Brest University Hospital (16% positivity rate among 102 samples).