Key points Bronchiolitis Pre-epidemic phase. SOS Médecins: The number of cases diagnosed as bronchiolitis in children under 2 years of age remained low over the past few weeks. In week...

Key Points West Nile As of October 17, 2023, 31 locally acquired human cases (confirmed or probable) have been identified (onset of symptoms between mid-July and late September): 24 in...

Key Points Week 41 (October 9–15, 2023): In the Indian Ocean region, during the 7th week of school in Réunion and the 8th week in Mayotte, emergency department visits for asthma...

Key Points The number of deaths from all causes reported by INSEE remains within the usual range of fluctuation across all age groups up to age 40. At the regional level, death counts...

Key Points In Week 41 (October 9–15, 2023), emergency department activity increased slightly among children (+5%, or 4,793 visits, and +5%, or 443 hospitalizations) and remained stable...

Key Points In Week 41 (October 9–15, 2023), activity at SOS Médecins clinics remained stable among children and declined slightly among adults (-6%, or 3,405 fewer visits). Certain...

Key Points Early 2022–2023 influenza season (beginning in late November). The epidemic was characterized by the atypical occurrence of two successive waves dominated by different...

Weekly Trends Acute respiratory infections (ARI). Activity is slightly down in primary care and slightly up in hospitals. Influenza Flu indicators at baseline levels in all regions...

Key points Chikungunya, dengue, Zika Since the start of enhanced surveillance in the region, 463 cases of arboviral diseases—383 confirmed cases and 80 probable cases—have been...

Key Points COVID-19 Decrease in viral circulation. Other indicators are also declining. Bronchiolitis Epidemiological indicators are stable in emergency departments and rising for SOS...