Key points

• The incidence rate for GEA in the Sentinelles network has stabilized over the past several weeks, with activity levels lower than those typically observed during this period in pre-COVID seasons.

• Oscour activity (all ages) has been increasing since January 2022, with relative stabilization observed between S07 and S09.

• This activity is more pronounced among children under five, with levels close to the peaks observed during this period in pre-COVID seasons (2010–2019) and high activity recorded in all metropolitan areas.