Key Points

COVID-19

• Regional epidemic activity remains intense despite a slight decline in viral circulation in week 50, except in the Oise department

• Among those reporting symptoms, one in five tested individuals (18.4%) tested positive for SARS-CoV-2

• Steady increase in cases among young adults (ages 20–39)

• New hospitalizations (including critical care) for COVID-19 remain at a high level, with the number of currently hospitalized cases continuing to rise

Bronchiolitis

• Epidemic activity is declining but remains at a high level

Acute gastroenteritis

• High and rising epidemic activity across all age groups and among children under 5

Influenza

• Non-epidemic phase

• Increased healthcare utilization for flu-like symptoms

• Increased detection of influenza viruses (primarily type A) isolated from hospitalized patients