Influenza Epidemiological Bulletin, Week 19. 2021–2022 Season.

Key points

In mainland France:

  • Continued decline in all flu indicators at the national and regional levels

  • Seven regions have returned to baseline levels, while the other six regions remain in the post-epidemic phase

In the overseas territories:

  • Mayotte: in the epidemic phase since week 18

  • Martinique: transition to the pre-epidemic phase

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