Influenza Epidemiological Bulletin, Week 48. 2022–2023 Season.

Key points

In mainland France:

  • A sharp increase in flu indicators across all age groups

  • 9 regions in the epidemic phase and 4 in the pre-epidemic phase

  • Very sharp increase in hospitalizations, particularly among those aged 65 and older

  • Predominant circulation of the A(H3N2) virus

In the overseas territories:

  • Martinique, Mayotte, and Réunion: the flu epidemic continues

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