Key points

Bronchiolitis (children under 1 year of age)

• Transition to epidemic phase in week 48-2025 (November 24–30)

• Particularly marked increase in activity in emergency departments

• Increase in the detection rate of RSV in community laboratories and university hospitals

Flu-like illnesses (all ages)

• Transition to epidemic phase in week 48-2025 (November 24–30)

• Increased activity in emergency departments and SOS Médecins clinics

• Continued acceleration in the circulation of influenza viruses

Suspected COVID-19 cases (all ages)

• Very low activity in emergency departments and at SOS Médecins clinics

• Low circulation of SARS-CoV-2