The stages of formation, development and achievements of sanitary epidemiological service of Moscow from the beginning to the present time are described.

The history of the development of the sanitary service in Kolomna district and outstanding sanitary inspector and academician L. K. Hotsyanov’s role in its formation is described.

The results of in-depth studies of the effect of air pollution in the city of Krasnodar on the health of the population, which showed that the main factor affecting the health of the population of Krasnodar, is air pollution.

The article describes the features of laboratory research during the preparation and holding of mass events and justified the need to develop a hygienic model of laboratory support of these events.

The results of research of influence of purchasing power on the mortality rate of children under 1 year are рresented. It is established that the purchasing power of the population significantly affects the mortality rate of children under 1 year.

Presents key dates of formation and development of sanitary-epidemiological service in the Republic of Mari El. The main stages of formation of the sanitary-epidemiological service in the Republic of Mari El and the main activities since the founding.

The article describes stages of formation and development of sanitary epidemiological service on the territory of the Republic of Tatarstan. It reflects features of work during mass events with international participation.

The article points out the importance of methodical approaches development for laboratory support of mass international events from the standpoint of hygienic safety of.