Key Points

Influenza

• A typical flu season, which began in January and ended in March (a 9-week season);

• A significant impact on the elderly;

• Co-circulation of the A(H1N1) and A(H3N2) viruses throughout the season;

• A high number of outbreaks of acute respiratory infections in nursing homes;

• A significant number of intensive care admissions;

• An overall increase in mortality during the flu season, with an estimated excess of 15% in all-age mortality and 21% among those aged 85 and older in the Provence-Alpes-Côte d'Azur region.

Bronchiolitis

• An epidemic comparable in intensity and duration to previous years.