Key points Chikungunya, dengue No local transmission in Île-de-France in 2025, as of now. 162 imported cases of dengue 164 imported cases of chikungunya West Nile virus...

Key Points Extreme heat, heat wave Moderate and declining activity in hospital emergency departments COVID-19 Low activity Gastroenteritis and acute diarrhea Moderate activity,...

Key Points In week 34 (August 18–24, 2025), activity at SOS Médecins clinics remained stable among those aged 15–74 and declined in other age groups: a 9% decrease (1,505 fewer visits)...

Key Points In Week 34 (August 18–24, 2025), compared to the previous week, the number of emergency department visits and hospitalizations following those visits decreased across all...

Key Points Extreme heat, heat wave Decreased activity in hospital emergency rooms and stable activity at SOS Médecins COVID-19 Low activity Gastroenteritis and acute diarrhea Increased...

Key Points Chikungunya, dengue, and Zika No local transmission in Île-de-France in 2025, at this stage. 149 imported cases of dengue 161 imported cases of chikungunya West Nile virus...

Key Points In Week 33 (August 11–17, 2025), compared to the previous week, emergency room visits increased among children (+6%, or 3,684 visits) and remained stable among adults....

Key Points Dengue Over the past two weeks, dengue activity in the territory has been low, with a total of 3 confirmed cases (1 in week 31 and 2 in week 32). One case originated in the...

Key Points Chikungunya, dengue, and Zika No local transmission in Île-de-France in 2025, as of now. 139 imported cases of dengue 154 imported cases of chikungunya West Nile virus...

Key Points Heat-related illnesses Decreased activity in hospital emergency rooms and stable activity at SOS Médecins COVID-19 Low activity Gastroenteritis and acute diarrhea Declining...