Key points

• In mainland France:

  • Baseline levels of “flu-like illness” indicators

  • Increase in confirmed flu cases in week 46, at levels typically seen at this time of year (excluding the 2020–21 season)

• In the Overseas Territories:

  • Réunion: transition to the pre-epidemic phase for influenza in week 46, coinciding with an increase in the number of COVID-19 cases

  • Mayotte: the epidemic phase has persisted since week 42