Influenza Epidemiological Bulletin, Week 50. 2021–2022 Season.

Key points

  • In mainland France:

    • Continued rise in flu indicators

    • The Occitanie region has entered the epidemic phase

    • Four regions in the pre-epidemic phase: Auvergne-Rhône-Alpes, Centre-Val-de-Loire, Nouvelle-Aquitaine, and Île-de-France,

  • In the Overseas Territories:

    • Réunion: Remains in the pre-epidemic phase since week 46

    • Mayotte: has remained in the epidemic phase since week 42

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