[The physician and the myths about vaccination].

Doctors are sometimes challenged with doubts and worries concerning vaccination. These doubts can come from their patients, but also from their collegues. By reviewing scientific litterature, most myths concerning vaccination can be debunked. Existing tools can guide health care professionnals who are facing these issues by providing useful information. The current system leading to licensure of vaccine can generate mistrust: continuous monitoring of eventual adverse events following immunization permits to constantly reassess the safety of the available products. Vaccines represent a powerful tool in fighting many infectious diseases. Communicating efficiently is the key to build trust and move forward in addressing doubts concerning vaccination.