Surveillance of Winter Outbreaks (Influenza, Bronchiolitis, Gastroenteritis) in the Hauts-de-France Region. Update as of February 1, 2023.

Key Points

Flu

  • Post-epidemic phase for the second consecutive week

  • Stabilization of influenza surveillance indicators in week 04-2023

Bronchiolitis

  • Post-epidemic phase for the third consecutive week

  • Bronchiolitis surveillance indicators show a slight increase in week 04-2023

Gastroenteritis

  • Activity slightly increased in hospitals and stable at SOS Médecins

  • The incidence of acute diarrhea estimated by the Sentinelles network was significantly higher than in the previous week

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