Key Points

Gastroenteritis: Epidemic activity among children under 5 (stable). Children under 5 account for 72% of hospitalizations; gastroenteritis accounts for 12% of diagnoses in this age group (declining).Increase in SOS Médecins consultations (children under 5 and adults aged 15–74), activity within seasonal averages. Moderate activity in primary care: incidence rate of acute diarrhea estimated at 104 cases per 100,000 inhabitants (95% CI [15, 193], unconsolidated Sentinelles data). Circulation of rotavirus, identified in enteric specimens analyzed at the Virology Laboratory of the Rennes University Hospital. Circulation of rotavirus and adenovirus, identified in enteric specimens analyzed at the Brest University Hospital.

Chickenpox: Use of city and hospital emergency departments within seasonal averages. Moderate activity in primary care: estimated incidence rate of 33 cases per 100,000 inhabitants (95% CI [0, 90], unconsolidated sentinel data).