Key Points  Extreme Heat, Heat Wave  Brittany experienced its first heatwave of S22 (May 26–28, an early occurrence), affecting the entire region. Record-breaking temperatures were...

Key Points  Leptospirosis  The seasonal increase in leptospirosis cases, which peaked in March, has since been on a downward trend. To date, 207 locally acquired cases have been...

Key Points Since late January (Week 04), 916 cases of chikungunya have been laboratory-confirmed in French Guiana, including 67 in Week 25 (unconsolidated data). The virus continues to...

Launched in November 2023, the JACARDI ( Joint Action on Cardiovascular Diseases and Diabetes ) project is a major European initiative that will run through October 2027....

The Kannari 1 study, conducted in 2013, established for the first time the levels of chlordecone exposure among adults in Guadeloupe and Martinique. The Kannari 2 study, conducted in...

Key Points  COVID-19  Activity remains stable in hospital emergency departments and at SOS Médecins (low activity levels) Gastroenteritis and Acute Diarrhea  Activity...

Key Points From January 1 to May 31, 2026, 201 cases of smallpox B (mpox) were reported, including 7 without laboratory confirmation. Among the cases for which the clade could be...

Key Points Dengue, Chikungunya, and Zika In Corsica, no imported cases of dengue, chikungunya, or Zika have been confirmed since May 1. West Nile virus infections No...

Key Points Dengue, Chikungunya, and Zika Since the start of enhanced surveillance (May 1), 32 imported cases have been identified in the region: 9 cases of chikungunya (+1...

Key Points Mortality  The number of deaths observed in S23 was 1,269, which was equivalent to the expected number of deaths (n = 1,289). People aged 65 and older accounted for 81.3%...