Key Points

• The incidence rate for acute gastroenteritis in the Sentinelles network has stabilized in S4, with activity levels lower than those typically observed during this period in pre-COVID seasons.

• SOS Médecins activity (all ages) has been stable since December 2021.

• Gradual resumption of the increase in Oscour activity (all ages).

• More pronounced activity among children under five years of age (SOS Médecins and Oscour), with levels close to the peak observed during this period in pre-COVID seasons and high activity recorded in nearly all metropolitan regions.