Influenza Epidemiological Bulletin, Week 1. 2021–2022 Season.

Key points

  • In mainland France:

    • Stabilization of flu activity indicators in primary care

    • Decrease in emergency room visits and hospitalizations due to influenza

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

    • Flu vaccination coverage among at-risk individuals estimated as of 11/30/2021 to be insufficient

  • In the Overseas Territories:

    • Réunion and Mayotte remain in the epidemic phase

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