Key points

• High levels of activity among children under 5 years of age in all metropolitan regions (except Corsica), likely linked to the circulation of rotaviruses

• Epidemic activity in the regions of Nouvelle-Aquitaine, Pays de la Loire, Grand Est, Île-de-France, Normandy, Hauts-de-France, and Brittany

• Consultation activity for acute diarrhea in primary care slightly higher compared to consolidated data from Week 10, below the epidemic threshold

• Hospital emergency department activity for acute gastroenteritis is stable, similar to that of the 2016-2017 season during the same period

• Activity at SOS Médecins clinics for acute diarrhea is slightly up; activity among children under 5 is stable. Activity is similar to that of the 2016-2017 season during the same period