The monograph presents topical issues of modern immunoprophylaxis of the most common bacterial infections. It also examines the new approaches for immunization of specific contingents (pregnant women and persons of advanced and old age), as well as the immunology of conjugate vaccines. The outlook for vaccines in development is presented. The work includes own results and those from the literature regarding the characteristics of the immune system in an age aspect and their role and significance in carrying out immunizations.

The monograph is intended for all specialists who are related to the problems of vaccine prevention.