Over the past week in the region:

• The growth of the bronchiolitis epidemic has slowed in the western part of the region, with stable numbers of visits to the pediatric emergency department at Nantes University Hospital and SOS Médecins calls for bronchiolitis.

• In contrast, in the eastern part of the region, the first week of a significant increase in visits by infants under one year of age to the pediatric emergency department in Le Mans (rising from 64 to 115 visits). No significant impact has yet been noted in pediatric emergency departments or in RSV isolates at the Angers University Hospital laboratory.

• The alert threshold for gastroenteritis cases seen by SOS Médecins was exceeded for the first week in the region, indicating that an epidemic is imminent.

• Influenza viruses remain relatively rare, but the most common viruses identified in Europe are of the A(H3N2) type, known to affect older adults more frequently.