Bronchiolitis, COVID-19, and the flu in the Hauts-de-France region. Update for January 29, 2026.

Key points

Acute lower respiratory tract infections

  • Continued decline in emergency department activity (visits and hospitalizations following visits). The incidence rate measured by the Sentinelles network remained on the rise.

Bronchiolitis (< 1 year)

  • Second week of the post-epidemic phase.

  • Stabilization of emergency department visit activity after two consecutive weeks of decline and a slight decrease in the proportion of activity at SOS Médecins (unconsolidated data).

Influenza and influenza-like illnesses

  • Eighth week of the epidemic phase

  • Within the SOS Médecins network, activity decreased across all age groups (unconsolidated data). In hospitals, the proportions of emergency department visits and hospitalizations also decreased across all age groups, but remained at a high level among those under 15 years of age.

COVID-19

  • Activity remained low and stable in emergency departments and at SOS Médecins.

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