Key points Acute lower respiratory tract infections Increased activity in urban areas at SOS Médecins and within the Sentinelles network, as well as in emergency...

Key Points Acute respiratory infections (ARI) A marked increase in activity across all age groups. Influenza Significant increase in influenza indicators across all age groups....

Key Points Acute Respiratory Infections The increase in SOS Médecins medical visits and OSCOUR® emergency room visits for both influenza and bronchiolitis continues. Flu and flu-like...

Key points Bronchiolitis Normandy is in the midst of a bronchiolitis epidemic for the third consecutive week. Most indicators are rising sharply (hospitals, hospital laboratories),...

Key Points Bronchiolitis in children under 1 year of age Epidemic phase in the Pays de la Loire region since week 47. Indicators on the rise. Moderate levels. Influenza and...

Key Points Chikungunya, dengue, Zika Imported cases: 255 dengue 208 chikungunya 1 Zika Local cases: 2 chikungunya West Nile virus infections 24 confirmed local human cases of West...

Key Points High overall immunity across the island (66.0%) and in each district (ranging from 58.1% to 74.3%). Low risk of a new large-scale outbreak during the 2025–2026 southern...

Key Points HIV Infections and AIDS HIV Surveillance Participation in LaboVIH: Participation in LaboVIH has stabilized at 94%. DO coverage: DO coverage increases in 2024 to reach...

Cohort studies were developed primarily for etiological research purposes. In the field of health monitoring and surveillance, cohorts are neither the most effective tool nor the most...

Chapter from the following book: Tremblay M, Lavallée P, El Haj Tirari M. Survey Practices and Methods. Paris: Dunod; 2011. 382 p. After briefly introducing the Health Barometers—surveys...