Key Points

Acute respiratory infections

• Influenza and influenza-like illnesses:

  • End of the epidemic in S13.

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

  • The proportion of hospitalizations following visits to emergency departments for influenza/influenza-like illness is rising again.

• COVID-19: low activity across all data sources.

Measles

• In March 2025, measles circulation remains high in the region.

• The vast majority of cases are among the under-vaccinated.