Olivier Duperrex is the Referent for Social Pediatrics at Unisante, Lausanne, and also works the Institute of Social and Preventive Medicine , University of Geneva. Olivier does research and teaching in Child Public Health. Amongs recent publication : 'Developpement durable, sante et droits de l’enfant' and 'Eleves a besoins de sante particuliers : l’experience vaudoise'