Key Points

In week 50 (December 8–14, 2025), the number of emergency department visits increased among children (+9%, or 9,145 visits). It remained stable among adults. The number of hospitalizations following a visit remained stable across all age groups.

Respiratory indicators continued to rise, with case numbers at levels comparable to or lower than those of previous years:

• All ages: influenza/flu-like illness (+68%, or +4,266 visits) and acute bronchitis (+16%, or +338 visits),

• Among 2-14-year-olds: pneumonia (+16%, or +100 visits) and ENT conditions (+13%, or +1,046 visits),

• Among those aged 15–74: pneumonia (+13%, or +284 visits), ENT disorders (+10%, or +312 visits), and suspected COVID-19 (+20%, or +100 visits).

In contrast, emergency department visits for bronchiolitis among children under 1 year of age stabilized for the second consecutive week, at a level slightly lower than that observed the previous year. In S50, visits for bronchiolitis accounted for 20% of emergency department activity for children under 1 year of age.

Among other indicators, we note the increase in visits for:

• Isolated fever (+22%, or +1,021 visits) and general malaise (+18%, or +152 visits) in children,

• Conjunctivitis among 2- to 14-year-olds and 15- to 74-year-olds (respectively +28%, or +49 visits, and +10%, or +34 visits).