Health authorities in France report that almost all regions, except Corsica, are in a pre-epidemic phase for seasonal flu. The epidemic, which began in Ile-de-France, has spread to three other regions. With incidents of bronchiolitis affecting babies also on the rise, Santé Publique France urges continue vaccination efforts, particularly among vulnerable populations, ahead of end-of-year gatherings. Current flu indicators show significant increases, especially among those under 15 years old.