Created in 2007, I-REIVAC (Innovative clinical research network in vaccinology), has been awarded the F-CRIN network of excellence label in 2014. It conducts phase 1 to 3 industrial and academic clinical trials, on preventive immunization in healthy volunteers and specific population (immunocompromised, elderly, pregnant women, comorbidities, …); large scale epidemiological studies in vaccine preventable diseases; and developing social sciences approach to improve vaccine program acceptability. Coordinated by Professor Odile Launay, an infectious disease specialist and vaccinology researcher, the network brings together clinical centers, centers for biological ressources and immunology laboratories. It gathers partners with complementary expertise at national and European level: clinicians, vaccinologists, biologists, immunologists, epidemiologists, researchers in Human and Social Sciences, all strongly involved in research on vaccinology.