Influenza Epidemiological Bulletin, Week 3. 2021–2022 Season.

Key points

  • In mainland France:

    • Increase or stabilization of flu indicators, with regional disparities still present

    • the Provence-Alpes-Côte d’Azur region has entered the epidemic phase, while the Île-de-France region has entered the post-epidemic phase

    • Co-circulation of influenza A(H1N1)pdm09 and A(H3N2) viruses

  • In the Overseas Territories: French Guiana has entered the pre-epidemic phase, and the epidemic has ended in Réunion

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