After which vaccinations against infectious diseases, immunity is maintained throughout life?

After vaccinations against infectious diseases, immunity does not persist throughout life, repeated vaccinations are necessary. In the case of some diseases, long-term or even lifelong immunity can only be obtained by suffering the disease.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.