Bronchiolitis, COVID-19, and the flu in the Hauts-de-France region. Bulletin dated December 3, 2025.

Key points

Acute lower respiratory tract infections

  • Increased activity in urban areas at SOS Médecins and within the Sentinelles network, as well as in emergency departments.

Bronchiolitis (< 1 year)

  • Transition to epidemic phase

  • Activity is rising sharply at SOS Médecins and in emergency departments. The circulation of RSV is also increasing.

Influenza and influenza-like illnesses

  • Transition to the pre-epidemic phase

  • Activity is increasing in private practice within the SOS Médecins and Sentinelles networks as well as in emergency departments; levels remain low and comparable to those observed in previous seasons. Increased circulation of influenza viruses.

COVID-19

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

In relation to

Our latest news

news

Call for Applications for the Renewal of the Editorial Board of the Weekly...

news

Launch of the “Heating, Health, Buildings, and Urban Planning” Network:...

news

2026 “Sexual Behavior” Survey (ERAS) for men who have sex with men