Influenza Epidemiological Bulletin, Week 49. 2021–2022 Season.
Key points
In mainland France:
Flu indicators are trending upward for the fourth consecutive week, at levels comparable to those typically observed at this time of year
Two regions in the pre-epidemic phase: Île-de-France and Occitanie
In the overseas territories:
Réunion: pre-epidemic phase maintained since week 46
Mayotte: has remained in the epidemic phase since week 42
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