Summary

Week 50: - continued decline in cases of bronchiolitis among children under 2 years of age; - marked increase in healthcare utilization for influenza and influenza-like illnesses: beginning in early December in primary care (GROG-sentinel-InVS unified network), this trend continues and is becoming noticeable in emergency departments and for SOS Médecins.This is not accompanied by an increase in hospitalizations, which remain very low for this reason. The "75 and older" age group is not significantly affected in emergency departments.