Abstract
Modern results of a research of questions of fight against virus epidemics which existed at the time of society of hunters and collectors are presented. Modern concepts epidemic and pandemics are opened. The historical information on epidemics of the ancient world is supplied. Factors which caused emergence of epidemics and pandemics are described. Difficult natural (global climate change) also the socio-economic factors leading to increase in number of populations of carriers of viral diseases are the main reasons for emergence of these phenomena. The world map characterizing the epidemiological events which took place in the certain countries is submitted. The analysis of researches of a problem is carried out and its results are presented. The possibility of transfer of viruses and emergence of epidemics and pandemics not only with migration of people, but also seasonal migrations, first of all, migratory birds is opened. Functions and possibilities of reproduction of pathogenic viruses and also the main ways of transfer of viruses from one organism to another are characterized. The recommendations about COVID-19 developed by the Center of the USA on control and prevention of diseases are opened. The complex of actions promoting the termination of virus epidemics to which vaccination of the population special medicines, self-isolation and various social restrictions and also broad use of digital (electronic) technologies belongs is described.