[Epidemiological surveillance over the organization and performance of immunoprophylaxis in the Russian Federation].

Vaccine prophylaxis is the most accessible and economic way of protecting and promoting the population's health, which is the most important part of prophylactic direction of modern medicine. The accumulated experience of mass immunization suggests the ability of a vaccine to cause 80, 96, and 92% reductions in the number of disease cases, the rate of admissions, and mortality rates, respectively.