Key points

• In mainland France:

  • Baseline levels of “flu-like illness” indicators

  • Increase in confirmed flu cases in S47, at levels typically observed at this time of year (excluding the 2020–21 season)

• In the overseas territories:

  • Réunion: no increase in flu-like illness indicators in week 47

  • Mayotte: the epidemic phase has persisted since week 42