Key Points

• Increase in GEA activity observed since early January 2023;

• GEA activity remained stable across all age groups during week 11 of 2023 (March 13–19, 2023);

• Continued increase in GEA activity in emergency departments among children under 5 this past week;

• Levels observed were relatively moderate compared to previous seasons;

• Concurrent circulation of norovirus, rotavirus, and adenovirus observed according to virology data from the University Hospitals of Poitiers and Bordeaux, with rotavirus nevertheless predominating among children at the University Hospital of Bordeaux in week 11 of 2023.