Influenza Epidemiological Bulletin, Week 4. 2022–2023 Season.
Key points
In mainland France:
Increased circulation of influenza viruses, predominantly type B/Victoria
Increase in flu indicators across all age groups, particularly among 5- to 14-year-olds and 15- to 64-year-olds
Ten out of thirteen regions still experiencing an epidemic
In the overseas territories:
Réunion and Mayotte: indicators have returned to baseline levels
In relation to
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