Key points

Bronchiolitis (children under 1 year of age)

• The epidemic continues in week 52 of 2025 (December 22–28)

• Slight increase in the number of SOS Médecins calls and stable emergency room visits

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

Influenza and influenza-like illnesses (all ages)

• High-intensity epidemic in week 52-2025 (December 22–28)

• Continued increase in activity in emergency departments

• Very active circulation of influenza viruses

COVID-19 (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