Vaccinations

Abstract

Immunizations have dramatically decreased several severe infectious diseases in the countries where they are widely distributed. Immunizations constitute a real paradox since never have so many people, children but also adults, benefited from vaccination, and yet many persons in the world do not receive the recommended vaccines, leading to unnecessary burden of diseases. General conditions of vaccine efficacy are described, as well as the conditions of a good management. French immunization schedule is presented, focusing for each antigen the nature, recommendations, adverse events and contra-indications, efficacy and epidemiological impact. A short overview on the achievements and current problems at global level completes the presentation.