Key Points

Allergies

• Ragweed pollen is present, posing a high allergy risk in several departments across the region (National Aerobiological Monitoring Network).

Bronchiolitis

• Monitoring has begun; no cause for alarm.

• Trend toward an increase in emergency room visits for bronchiolitis among children under 2 years of age, though not yet at epidemic levels.

Chikungunya, dengue, Zika

• 123 imported cases of dengue, mostly from Martinique and Guadeloupe, and 7 cases of chikungunya have been identified in the region.

COVID-19

• In Week 37 (September 11–17, 2023), the circulation of SARS-CoV-2 continues to increase, though less sharply than in previous weeks, while remaining at a moderate level in Auvergne-Rhône-Alpes. This trend is observed across all age groups (particularly those under 45 and those 65 and older) and in the majority of departments.