Influenza Epidemiological Bulletin, Week 45. 2022–2023 Season.

Key points

In mainland France:

  • Flu indicators at baseline levels, but activity on the rise in urban areas and hospitals among children under 15

  • Brittany has been in the pre-epidemic phase since week 44

  • Predominant circulation of the A(H3N2) virus

In the Overseas Territories:

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

In relation to

Our latest news

news

2026 “Sexual Behavior” Survey (ERAS) for men who have sex with men

news

Hervé Maisonneuve has been appointed scientific integrity officer for a...

Visuel illustratif

news

Public Health France 2026 Barometer: Launch of the Survey