
Next to the traditional surveillance system, innovative Information Communication Technologies (ICT) are spurring the development of new mechanisms for information retrieval, and now start to allow the prompt gathering of large amount of data enabling for the first time the real-time analysis of a pandemic in a very detailed way. In particular, the collaborative aspect of the Web2.0 is now pervading a large set of systems including health-related ones.Influenzanet.org is an online project for disease surveillance that consists of a fast and flexible method to monitor in real time the temporal and geographic evolution of influenza activity in several European countries through the participation of volunteers in the population. The system is currently active in The Netherlands and Belgium, Portugal, Italy, United Kingdom,Sweden, and starting today -January 25, 2012- the system is also launched in France under the name of grippenet.fr.