Health authorities will now step up disease surveillance efforts and are encouraging people in high risk groups, such as older people, healthcare workers, and those with serious underlying medical conditions, to be immunised.
Weekly bulletins will be published from now on to track the spread of flu viruses across Europe as well as giving some insight into which strains of influenza are responsible for most infections.
The influenza epidemics may put hospitals, and especially intensive care units, under pressure, according to the ECDC.
Experts say the economic and social burden of influenza can be high but is reduced through successful immunisation campaigns.
Find out how the composition of the seasonal flu vaccine is decided