Key points

Bronchiolitis (children under 1 year of age)

• The epidemic continues in week 51 of 2025 (December 15–21)

• Slight increase in activity at SOS Médecins clinics and stability in emergency departments

• Downward trend in the detection rate of RSV in private laboratories

Flu-like illnesses (all ages)

• High-intensity epidemic on the rise in week 51-2025 (December 15–21)

• Continued increase in activity in emergency departments and at SOS Médecins clinics

• Increased circulation of influenza viruses

Suspected COVID-19 cases (all ages)

• Very low activity in emergency departments and at SOS Médecins clinics (less than 0.3% of cases)

• Low circulation of SARS-CoV-2