Key Points

Dengue, Chikungunya, and Zika

• Since the start of enhanced surveillance (May 1), 12 imported cases have been identified in the region: 4 cases of chikungunya (+3 compared to last week) and 8 cases of dengue (+6).

West Nile virus infections

• No locally acquired cases have been detected in the region, or more broadly in mainland France, since the start of enhanced surveillance (May 1).

Pollen and Allergies

• Pollen exposure is at a moderate level. Allergy-related activity at SOS Médecins is declining, at a level typical for the season.