Key Points

Acute lower respiratory tract infections (ALRTIs)

• No flu epidemic, but an increase in emergency department visits for flu-like symptoms in Auvergne-Rhône-Alpes.
• COVID-19 activity remains stable in hospitals, at low levels and below those recorded during the same period in previous years. SARS-CoV-2 is actively circulating.
• No bronchiolitis outbreak has been observed at this time in Auvergne-Rhône-Alpes. Sporadic detection of RSV; rhinovirus is actively circulating.

Dengue, Chikungunya, Zika

From May 1 (start of enhanced surveillance) to November 2, 2026, the following cases were identified in Auvergne-Rhône-Alpes:

• 18 imported cases of chikungunya;
• 55 imported cases of dengue (33% imported from the Caribbean);
• 3 cases of Zika;
• 2 locally transmitted cases of chikungunya identified in Saint-Uze in the Drôme department.

West Nile Virus

• As of November 2, 2026, 8 locally acquired human cases of West Nile virus infection had been identified in the region.