Key Points

Flu-like Illnesses and Acute Respiratory Infections

• Both in hospitals and in community settings, indicators of healthcare utilization for influenza-like illness were declining in the Île-de-France region across all age groups for the fifth consecutive week. It should be noted that the return from vacation could lead to a slight increase in the number of cases in week 10.

• The distribution of influenza virus types and subtypes has not undergone any major changes in recent weeks.

Acute Gastroenteritis (AGE)

• Stabilization in emergency room visits and hospitalizations for AGE across all age groups; a decrease in both indicators among those under 15.

• Decrease in the number of AGE-related visits at SOS Médecins across all age groups.

• The incidence rate for consultations for acute diarrhea among sentinel physicians has stabilized.

• In S09, activity in emergency departments and at SOS Médecins for AGE remained at a high level and exceeded the trends from 2024 for the same period of the year.

COVID-19

• SOS Médecins: In Week 9, the number of cases for suspected COVID-19 remained stable across all age groups. Case numbers remained low.

• Emergency department visits: In Week 9, the number of visits for suspected COVID-19 remained stable across all age groups. Case numbers remained low.

• Clusters of ARI cases in long-term care facilities: The number of ARI clusters with a COVID-19 diagnosis reported by long-term care facilities (primarily nursing homes) remained low since late 2024.

• SARS-CoV-2 in wastewater: Detection levels in wastewater remained stable in Week 9.