Immunotherapy is like fashion: it comes in waves with new fads that are specific ob- time what clothes he wore twenty years ago, but after all, it's not the same. Translate into fashion new inspiration, but advances in technology - New materials.
Likewise with immunotherapy fives. Of the rare empirical observations late 19th century (spontaneous regression of tumors in infectious diseases) became immunotherapy Over the years a systematic science, which builds on the basis of understanding the molecular processes tumorigenesis and tumor interaction with immune system.