Key Points

Third week of the epidemic

• Continued sharp increase in all influenza surveillance indicators: incidence, severe cases in intensive care, outbreaks of acute respiratory infections in nursing homes

• High activity in emergency departments due to influenza and high hospitalization rates

• AH3N2 virus predominant

• Very significant impact among those aged 65 and older in terms of hospitalizations following visits to emergency departments and among severe influenza cases

• Increase in mortality regardless of cause of death in week 51 (unconsolidated data)