The article presents features of epidemiology and clinical picture of a new virus - COVID-2019 in Kazakhstan, features of dynamics among the child population. As of April 15, 2020, there are 1,295 cases of COVID-19. In total, the infection was confirmed in 80 children. Among them, one newborn, two children under one year old and this has allowed to limit the spread of this serious disease with the cooperation of all citizens in terms of containment and individual protection measures. Objective: to evaluate the prevalence, clinical and epidemiological features and risk factors of COVID-19 in children of different ages. The design of the study corresponded to the observational analytical one. The COVID-19 pandemic has spread very quickly, so it is children of all ages who should be the focus of special attention, as they play a huge role in the spread of the disease.