The aim of the course is to present different perspectives for the study of policy processes in healthcare, with a focus on the role of policy actors, the comparative dimensions and the way to grasp the multi-level characteristics of this complex policy field in relation with general approaches of the policy processes, especially policy transfer, policy translation, the programmatic action framework, sociology of professions, sociology of science and expertise, bureaucratization, multi-level governance…). It will be divided in five parts: