What can provide a person with immunity to infectious diseases for a long time?

The immunity to infectious diseases can be ensured by the well-known vaccination.
It can also be provided by the administration of vaccines and serums.
Vitamin A also increases the body’s resistance to infectious diseases.
Also, immunity to infectious diseases can ensure a healthy lifestyle.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.