Influenza Epidemiological Bulletin, Week 51. 2022–2023 Season.

Key points

In mainland France:

  • Continued rise in flu indicators across all age groups

  • Very high levels of activity in primary care and hospitals, particularly among those aged 15–64

  • Predominant circulation of the A(H3N2) virus

In the Overseas Territories:

  • Guadeloupe, Martinique, French Guiana, Réunion, Mayotte: in the epidemic phase

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