Key points Measles No new cases since the start of the school year. Chikungunya Low viral circulation, but with a slight increase in the number of affected...

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...

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

Key points Measles 2 locally acquired cases. The start of the school year could be a factor contributing to the resurgence of measles transmission in Réunion. Chikungunya ...

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

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 ...

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...

Key Points Since January 1, 2025, 802 cases of measles have occurred and been reported (an increase of 59 new cases in July). Of these cases, 279 (35%) were hospitalized...

Key Points Chikungunya, Dengue, and Zika Since the launch of enhanced surveillance on May 1, 71 cases of arboviral diseases have been reported in Normandy, all of imported...

Key Points Whooping Cough Sustained bacterial circulation during the first half of 2025. Measles After no local transmission since 2019, 1 locally acquired case was...