Epidemiological features of meningococcal infection in Russian Federation is an actual problem due to the clinical and 
epidemiological features of the disease. A real infection
 State regulation in ensuring the sanitary-and-epidemiological well-being under the present conditions the sanitary-and-
epidemiological well-being. The necessity of enhancing the role of state regulation
 Standards for the Epidemiological Investigation of Measles and Rubella Foci results and «Maps of 
epidemiological examination of the focus of an infectious disease», etc., as 
well Medical and social characteristics of hepatitis B and C of Rospotrebnadzor "On the state of sanitary and 
epidemiological well-being of the population of the Russian
 Enterovirus infection: Epidemiological situation, problems, and solutions to the patients with various clinical patterns. The methods of 
epidemiological analysis and generally accepted