What did the discovery of immunity give a person?

The discovery of immunity was an incredible medical breakthrough.
The main, and perhaps the main achievement of the discovery of immunity is getting rid of such terrible diseases as smallpox and plague. Also, the ability to prevent severe forms of diseases such as tetanus, whooping cough, measles, rabies, tuberculosis and many other terrible diseases through vaccination.



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.