Bronchiolitis, COVID-19, and the flu in the Hauts-de-France region. Update for November 19, 2025.

Key points

Acute lower respiratory tract infections

  • Stable trend in hospitals and the Sentinelles network; increasing at SOS Médecins. Activity levels remain low and below seasonal averages.

Bronchiolitis (< 1 year)

  • Transition to the pre-epidemic phase.

  • Activity is rising in emergency departments and at SOS Médecins, confirming an increase in indicators that now places the region in the pre-epidemic phase.

Influenza and influenza-like illnesses

  • Non-epidemic phase: low and stable activity in primary care within the SOS Médecins and Sentinelles networks, as well as in emergency departments.

COVID-19

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

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