How the quarantine was introduced in the Kazakh steppe Long before the advent of modern sanitary rules, nomads knew how to protect themselves from the spread of dangerous infections. The patients were isolated, contacts between villages were limited, and travelers were warned against the threat of infection. How dangerous areas were determined, what measures helped to contain epidemics and how the methods of fighting diseases changed over hundreds of years - said the historian Azmat Bakbulatoli in the material.