Key Points

Bronchiolitis in children under 2 years of age

• Marked decrease in all surveillance indicators

• The epidemic peaked in week 44 in the Île-de-France region

• Bronchiolitis activity level near the threshold at SOS Médecins

• Eleventh week of the bronchiolitis epidemic

Influenza and influenza-like illnesses

• Third week of the epidemic phase in the Île-de-France region

• Sharp increase in all surveillance indicators across both data sources and for all age groups

• Very high activity level in Île-de-France

Acute gastroenteritis

• Increase in AGE surveillance indicators in hospital emergency departments

• Decrease in indicators at SOS Médecins; indicators stable at the Sentinelles Network

• Low activity level in Île-de-France