Bronchiolitis, COVID-19, and the flu in the Hauts-de-France region. Update for January 15, 2026.

Key points

Acute lower respiratory tract infections

  • Decrease in activity at emergency departments (visits and hospitalizations following visits) and at SOS Médecins. The incidence rate measured by the Sentinelles network remains on the rise.

Bronchiolitis (< 1 year)

  • Seventh week of the epidemic phase.

  • Decrease in activity in emergency departments and at SOS Médecins. Given the resumption of community activities, this trend remains to be confirmed.

Influenza and influenza-like illnesses

  • Sixth week of the epidemic phase

  • Activity across all age groups is stabilizing in the SOS Médecins network, but remains on the rise among those under 15. In emergency departments, the proportion of visits and hospitalizations among those under 15 is increasing, despite a decline in activity across all age groups. The incidence rate measured by the Sentinelles network continues to rise.

COVID-19

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

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