Key points

Bronchiolitis

• Increase in all surveillance indicators.

Influenza, influenza-like illnesses, and acute respiratory infections

• Stabilization of indicators across all age groups at SOS Médecins and a slight increase in hospital emergency departments.

• Stabilization of the incidence of acute respiratory infections (data from the Sentinelles network).

COVID-19

• Decrease in emergency department visits (OSCOUR) and increase in procedures at SOS Médecins.

• Increase in virological surveillance indicators (Néo-SIDEP data).

Gastroenteritis

• Indicators stable in hospital emergency departments, at SOS Médecins, and in the Sentinelles network.

Chikungunya, dengue, Zika

• Since the start of enhanced surveillance in the region, 578 cases of arboviral diseases—466 confirmed cases and 112 probable cases—including 565 cases of dengue, 5 cases of chikungunya, 6 cases of Zika, and 2 cases of dengue/chikungunya co-infection; 573 imported cases, 3 confirmed locally acquired cases of dengue, 1 case of dengue possibly acquired in Île-de-France, and 1 other case for which investigation was impossible. A total of 93 hospitalizations for dengue were reported, including 2 deaths, and 2 hospitalizations for chikungunya.