Health Monitoring in the Île-de-France Region. Update as of December 29, 2021.

Key points

Bronchiolitis

12th week of the outbreak, decline in all indicators.

Gastroenteritis and acute diarrhea

Decrease in indicators across all age groups and stabilization among children under 5, but activity levels remain high.

Influenza and influenza-like illnesses

Sharp increase in flu-related visits; transition to epidemic phase.

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