In recent years, the safety and effectiveness of vaccinations has been increasingly questioned, but many of the reasons for such doubts remain unknown to the interested public. The book by Dr. A. Kotok provides brief information about childhood infectious diseases and vaccinations against them, allowing you to see not only the positive, but also the negative aspects of mass vaccine prevention. The purpose of the book is to help make an informed choice based on familiarity with all points of view on the issue under discussion. The book is addressed to a wide range of readers.