Key PointsDengueDengue activity has been low over the past two weeks. An increase in emergency department visits for dengue has been observed in S16 at CHOG, likely linked to the ongoing...

Key PointsCOVID-19Activity level: lowHealthcare utilization: stable in emergency departmentsAcute gastroenteritisActivity level: highHealthcare utilization: increasing trend in emergency...

Key PointsCOVID-19SARS-CoV-2 in wastewater: Data for Week 16 are not available. In Week 15, an overall downward trend in the level of SARS-CoV-2 circulation in wastewater was observed....

Key PointsInfluenza and Influenza-Like IllnessesEarly-onset epidemic of moderate durationModerate intensity in community practice but high in hospitalsCo-circulation of the A(H1N1)pdm09...

What did the surveillance system implemented by Santé publique France entail, and what tools were used? Learn all about the measures put in place to combat the COVID-19 pandemic.

Key PointsAcute respiratory infectionsActivity concentrated between November 2025 and February 2026, with a moderate peak in the city but a high peak in hospitals, occurring in late 2025...

Key PointsChikungunya100 cases of chikungunya were reported in Week 15 in Mayotte, representing a 24% decrease compared to Week 14 (130 cases) (unconsolidated data), with the virus still...

Key pointsSmallpox B (Mpox)8 cases (including 4 imported cases) were reported in Réunion between S05 and S13/2026.LeptospirosisA seasonal resurgence of leptospirosis is currently...

Key pointsBronchiolitis (under 1 year of age)No epidemic activity. Low number of visits to hospital emergency departments and SOS Médecins consultations. Low detection of RSV according...