Vaccination, which has made it possible to eliminate the greatest infectious plagues, has been declining for about ten years. Health professionals remind us of the importance of getting vaccinated. For children, as for adults …

Vaccines all work on the same principle. To stimulate an individual’s immune defenses against an infectious agent, it is introduced in a harmless form into the body. The agent is then stored in memory, so that in the future, in the event of real contamination, the acquired immunity is activated more quickly.

There are different types of vaccines: inactivated viruses (influenza, rabies, hepatitis A, etc.), attenuated viruses (mumps, measles, chickenpox, etc.) or inactivated bacterial fractions (diphtheria, tetanus, whooping cough, etc.).