Nice press coverage of GrippeNet.fr by the News of the French National Research Agency (ANR). Have a look at
http://www.agence-nationale-recherche.fr/informations/actualites/detail/grippenetfr-sappuyer-sur-la-population-pour-surveiller-lepidemie-de-grippe/
The participatory surveillance system, GrippeNet.fr, is currently run in the context of the ANR research project HARMS-flu.