Influenza Epidemiological Bulletin, Week 49. 2022–2023 Season.

Key points

In mainland France:

  • Flu indicators continue to rise across all age groups

  • Sharp rise in hospitalizations

  • All metropolitan regions in the epidemic phase

  • Predominant circulation of the A(H3N2) virus

In the Overseas Territories:

  • French Guiana and Guadeloupe: transition to the pre-epidemic phase in week 49

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

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