Key points Bronchiolitis Activity outside of an epidemic. Low detection of RSV according to the virology laboratories at the Brest and Rennes University Hospitals, despite an upward...

Key Points Bronchiolitis in children under 1 year of age No outbreak in the Pays de la Loire region. Indicators are stable or declining. Low levels. Influenza and flu-like illness No...

Key points Acute respiratory infections Early and sustained activity of lower respiratory tract infections (LRTI) beginning in November 2024, with high activity observed in January,...

Key points Bronchiolitis The number of emergency department visits related to bronchiolitis has remained stable in recent weeks. In the SOS Médecins network, the numbers fluctuate but...

Key Points Acute respiratory infections (ARI) Activity remains generally stable in the city and at the hospital. Influenza All indicators at baseline levels across all regions. End of...

Key Points Chikungunya, dengue, Zika 8 episodes of local transmission detected Six episodes of local transmission of chikungunya identified in the region as of October 21, 2025,...

Key points Bronchiolitis Increase in all indicators among children under 1 year of age COVID-19 Declining viral circulation Flu Low activity levels across all indicators

Key Points HIV Infection and AIDS The number of HIV serology tests performed by clinical laboratories continues to rise. In 2024, it is estimated at 8.5 million. Tests performed...

Key Points Chikungunya / Dengue / Zika In Occitanie, from May 1 to October 21, 2025, the following cases were identified: 94 imported cases of dengue, 102 imported cases of...

Key points Acute respiratory infections Decreased activity in hospital emergency departments and stable at SOS Médecins Bronchiolitis ( 1 year) Decreased activity in hospital emergency...